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WALKER SERVICE MANUAL Detailed Instructions for Servicing Walker Mowers Model MT, MTL, MTEFI and MTLEFI Model MD Model MC Model MS Model MW15 Model MB Decks Implements ™ Please Read and Save These Instructions Effective Date: 07-01-06 For Safety, Read All Safety and Operation...
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Foreword Dear Walker Servicing Professional, This manual is provided as a resource for you to not only repair but also maintain Walker mowers, decks and implements. Your service capability as a Walker dealer is valuable to the strength and vitality of our program—many customers base their purchases on the type of dealer service they re- ceive.
SERVICE INSTRUCTIONS July 2006 SECTION INDEX INTRODUCTION....................INTRO SET-UP .......................... 1 LUBRICATION....................... 2 MAINTENANCE INSTRUCTIONS................. 3 SERVICE PROCEDURES ..................... 4 ELECTRICAL SYSTEMS ....................5 DECKS........................... 6 INDEX ..........................7 WALKER MANUFACTURING COMPANY...
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SERVICE INSTRUCTIONS July 2006 WALKER MANUFACTURING COMPANY...
July 2006 INTRODUCTION Contents of this Section SUBJECT PAGE GLOSSARY OF TERMS - ALL MODELS AND IMPLEMENTS ......Intro-2 GENERAL INFORMATION ..................Intro-3 IDENTIFYING NUMBER LOCATIONS ..............Intro-3 ENGINE SERIAL NUMBER LOCATION..............Intro-4 PRODUCT REGISTRATION...................Intro-6 MANUFACTURER INFORMATION ................Intro-6 SPECIFICATIONS ....................Intro-7 WALKER MANUFACTURING COMPANY Page: Intro-1...
• NEUTRAL LOCKOUT releases the hydrostatic transaxles to permit freewheeling the tractor. • PISTOL GRIPS steer the tractor by controlling the dual hydrostatic transaxles. WALKER MANUFACTURING COMPANY Page: Intro-2...
IDENTIFYING NUMBER LOCATIONS The mower serial number is affixed to RH side of the in- side of the unit housing. Model and serial numbers are Model MS, MB, MC, MD, MT helpful when obtaining replacement parts and mainte- nance assistance.
Kohler covering the Kohler engines. Serial Number Serial Number Engine Serial Number Location (MD) Engine Serial Number Location - Model MT, MTEFI Model MS The Kawasaki engine model, type, and code numbers are located on the starter side of the engine shroud.
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Briggs & Stratton to available from Kawasaki to cover the Kawasaki cover this engine. FH430V. Serial Number Engine Serial Number Location (MB) Serial Number Engine Serial Number Location (MW) WALKER MANUFACTURING COMPANY Page: Intro-5...
P.O. Box 888285 1555 South Jackson Street Grand Rapids, MI 49588-8285 Salem, IN 47167 www.kawpower.com 812-883-3575 Kohler Engines Kohler Company Kohler, WI 53044 800-544-2444 www.kohlerengines.com Kubota Engines Kubota Engine America Corp. 505 Schelter Road Lincolnshire, IL 60069 WALKER MANUFACTURING COMPANY Page: Intro-6...
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MS, MB 12 Volt Electric Key and Solenoid Operated Recoil Starter Interlock Switch MT, MTL, MTEFI, MD, MC, MS, MB Ignition Lockout by Seat Switch, Transmission Neutral and Blade Clutch Ignition Lockout by Operator Presence Lever, Transmission Neutral and Blade Clutch...
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SERVICE INSTRUCTIONS July 2006 Forward Speed Control MT, MTL, MTEFI, MD, MC, MS, MB Precision Friction Lock Lever, Cruise Control, with Neutral-Park Position Variable Speed Controlled by Rocker Switch Near RH Thumb, with Neutral Park Setting Service Brake MT, MTL, MTEFI, MD, MC, MS...
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SERVICE INSTRUCTIONS July 2006 Blade Drive Clutch and Brake MT, MTL, MTEFI, MD, MC, MW Manual Belt Tightener Clutch and Band Brake (Stops Blades within Five (5) Seconds of Disengagement) Manual Belt Tightener Clutch and Scrubber Brake (Stops Blades within Five (5) Seconds of Disengagement)
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Drive All Models 15 PSI (103 kPa) Rear All Models 20 PSI (137 kPa) DIMENSIONS (Tractor and Mower) (**MT, MTEFI, MTL, MD) Length MT, MTL, MTEFI, MD 91 in. (231 cm) 80 in. (203 cm) 82 in. (208 cm) 36 in. (91 cm) GHS Model MC, MS 87 in.
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22 in. (56 cm) Two (2) Clockwise-Rotating Blades with a 2 in. (5 cm) Center Overlap 48 in. (122 cm) SD Model MT, MTL, MTEFI, MD, MC, MS 48 in. (122 cm) 25 in. (64 cm) 2 in. (5 cm) Center Overlap (Two Blades, CW Rotation) 25 in.
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810 lb (368 kg) 670 lb (304 kg) 744 lb (337 kg) SD Tractor and 48 in. SD Deck MT, MTL, MTEFI, MD, MC, MS, MW 769 lb (349 kg) GHS Tractor and 36 in. GHS Deck MT, MTL, MTEFI, MD, MB, MW...
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Belt Scrubber Brake (Works in Combination with PTO Clutch, Stops Blower within Five (5) Seconds of PTO Disengagement) MW, MB Max. Blower Speed MT, MTL, MTEFI, MD, MC, MS 3600 RPM MW, MB Grass Catcher Capacity MT, MTL, MTEFI, MD 65 Gallons (246 liters)/7.0 Bushels...
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SERVICE INSTRUCTIONS July 2006 ® Full Signal (Grass-Pak Switch) MT, MTL, MTEFI, MD, MC, MS Oscillating Vane Switch Mounted on Grass Delivery Spout Triggers Horn Signal MW, MB ® Powerfil MT, MTL, MTEFI, MD, MC, MS Oscillating Delivery Spout Driven by 12 Volt Electric Gearmotor...
Battery Service Tractor Set up Model MT, MTL, MTEFI Tire Installation (Tractor) CAUTION Model MS, MC, MD, MT, MTL, MTEFI Important Battery Service, Installation, and • Install the drive tires using the eight (8) lug bolts that Changing Tips for MTEFI: are supplied with the owner's packet of materials.
SERVICE INSTRUCTIONS July 2006 Model MW, MB Dry Battery Service - MS, MC, MD, MT, MTL, MTEFI The battery is a completely sealed, non-serviceable DANGER battery. Activating a battery can be dangerous. DO NOT attempt to activate the battery unless you are experienced in battery ser- Front of Mower vice work.
SERVICE INSTRUCTIONS July 2006 Battery Charging - MS, MC, MD, MT, MTL, MTEFI Battery Charging - Model MW, MB DANGER DANGER BATTERIES PRODUCE EXPLOSIVE GASES BATTERIES PRODUCE EXPLOSIVE GASES • • Charge the battery in a well-ventilated Charge the battery in a well-ventilated...
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(+) Battery Cable Wing Nut(s) Connection Battery Protector RH Drive Wheel Plate in Place Battery Installation - Model MS Battery Installation - Model MT, MTL, MTEFI Battery Clamp Secured (+) Battery Cable by Wing Nut(s) Connection (+) Battery Cable Connection...
(GHS Rear Discharge Models Only) - Model MS, MC, Deck Caster Wheels Installation - All Models MD, MT, MTL, MTEFI Remove the bolt, nut, axle spacer tube, and spacer Mount the discharge chute hinge on top of the deck dis- washers from each deck caster wheel fork.
SERVICE INSTRUCTIONS July 2006 Tilt-Up Roller Wheel Installation - Model MS, MB (after S/N 2006-81428), MC, MD, MT, MTL, MTEFI Attach Shield Mount the two (2) tilt-up roller wheels on the brackets on the rear skirt of the deck housing using the P/N 8490 axle bolt, 3/8 in.
SERVICE INSTRUCTIONS July 2006 Mower Deck Installation on Tractor Deck Installation - Model MC, MD, MT, MTL, MTEFI Lightly grease each deck support arm (2) on the Arrows on Shaft and Tube tractor. Refer to Mower Deck Installation photo (used to align when sliding together) for location of deck support arm.
Support Arms loosening the elastic stop nuts located underneath the lower spring hook. Refer to Deck Counter- weight Spring Installation photo. Shaft Mower Deck Installation (PTO Shaft Connection) WALKER MANUFACTURING COMPANY Page: 1-11...
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1) Install Counterweight 2) Retain Spring Clip Spring Clip Using Tab into Receptacle 3) Use Lever to Assist Raising Assembly to "Locked" Position Counterweight Spring Receptacle Assembly in "Unlocked" Position WALKER MANUFACTURING COMPANY Page: 1-12...
Should be 1/8 in. (3 mm) to 1/4 in. (6 mm) higher at the rear of the blade Should not vary more than 1/8 in. (3 mm) side-to-side 4 in. (102 mm) Wood Block Deck Leveling WALKER MANUFACTURING COMPANY Page: 1-13...
Al- the plug. low a few minutes after adding oil for the oil to flow throughout the assembly and the oil level to stabilize before reassembly. WALKER MANUFACTURING COMPANY Page: 1-14...
Lightly grease each tractor support arm (2) on the Install the hitch pin through the hole on the end of tractor. each support arm to lock the hitch in place. Two (2) hitch pins are included in the owner’s packet of ma- terials. WALKER MANUFACTURING COMPANY Page: 1-16...
IMPORTANT: If the tractor body needs to be raised, the PTO shield must be in the closed or Walker Implements are shipped partially assembled. down position and the implement must be in the After uncrating the implement adaptor and/or imple- lowered position.
Attach Wiring Harness and Toggle Switch Attach the toggle switch mounting bracket on the FSC lever using two (2) 10-24 x 1/2 in. bolts and On Models MC, MDD/MDG, and MT, connect the Keps nuts. harness red wire to the load side of the circuit breaker mounted on the bracket behind the bat- tery.
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Raise and lower the hitch a few times to check the operation and make sure it moves smoothly. If not, make sure the wiring harness ends are connected properly and securely. Refer to Implement Hitch Wiring Diagram illustration. WALKER MANUFACTURING COMPANY Page: 1-19...
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SERVICE INSTRUCTIONS July 2006 Implement Hitch Wiring Diagram WALKER MANUFACTURING COMPANY Page: 1-20...
Rotate Female Quick Hitch For Required Blade Angle Insert Adjustment Pin and Set Blade Angle Install the two (2) skid shoes in the two brackets on the rear outer edges of the blade. WALKER MANUFACTURING COMPANY Page: 1-21...
Lock in male hitch member, and to facilitate quick hitch at- place by moving the hitch locking lever fully for- tachment. ward to the LOCKED position. Secure the male quick hitch latch with the linchpin. WALKER MANUFACTURING COMPANY Page: 1-22...
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LOCKED position. Secure the male quick hitch latch with the linchpin. Yoke Connect Broom Driveline to Tractor PTO Shaft WALKER MANUFACTURING COMPANY Page: 1-23...
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Place the wheels back on the tractor. Reinstall and tighten the lug bolts. 10. For GHS (Grass Handling System) equipped Walker tractors, install a blower intake cover in the blower intake tube. The cover “unloads” the blower and seals the intake to effectively eliminate power loss and noise when the blower is not being used.
Install Plastic Insert over Chute Base Lip Insert the 1-5/16 in. (33 mm) plastic bushing into the tube weldment. Insert the 1-11/16 in. (43 mm) plastic bushing into the bushing support and place this over the shaft on the rotation worm. WALKER MANUFACTURING COMPANY Page: 1-25...
Secure the yoke to the reduction shaft with a 1/4 x 2-1/2 in. bolt and nylon locknut. Tighten the nut and the 3/8 x 3/8 in. allen set screw securely over Retaining the key in the yoke. Plate Install Chute over Plastic Insert WALKER MANUFACTURING COMPANY Page: 1-26...
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Torque both bolts to 10 ft-lb Female (13.6 N·m). Hitch Male Quick Hitch Reduction Box Cover Hitch Locking Lever Bolt Attach Snowblower to Implement Hitch Install Reduction Box Cover WALKER MANUFACTURING COMPANY Page: 1-27...
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14. For GHS (Grass Handling System) equipped Walker tractors, install a blower intake cover in the blower intake tube. The cover “unloads” the blower and seals the intake to effectively eliminate power loss and noise when the blower is not being used.
Place the wheels back on the tractor. Reinstall and tighten the lug bolts. For GHS (Grass Handling System) equipped Walker tractors, install a blower intake cover in the blower intake tube. The cover “unloads” the blower Tractor and seals the intake to effectively eliminate power loss and noise when the blower is not being used.
NOTE: Predrilled holes exist only on Walker tractors built after 1984. For earlier models, drill two Model MS, MC, MD, MT, MTL, MTEFI 5/16 in. (8 mm) holes in the front chassis cross bar at the positions indicated in the Lift Bracket Remove the mower deck from the tractor if neces- Installation illustration.
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SERVICE INSTRUCTIONS July 2006 Model MB NOTE: Predrilled holes exist only on Walker trac- tors built after model beginning S/N 2006-8780. Remove the mower deck from the tractor if neces- For earlier models, measure and drill four 5/16 in. sary. Refer to the appropriate Tractor Owner’s (8 mm) holes in the front chassis at the positions Manual.
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SERVICE INSTRUCTIONS July 2006 Model MS, MB, MC, MD, MT, MTL, MTEFI Insert the two (2) 1/4-20 x 1-3/4 bolts in the rotation stopper, the spacer rings and through Remove the PTO cover (between the footrests). the remaining holes of the rear and right hand...
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(refer to the Coupler Ring “Locked” Position Lift Bracket photo). After installation, pull on the shaft to check for security. Pull Back Spring-Loaded Coupler Ring Lift Chain Hitch Pin Installing PTO Quick Coupler Attach Lift Chains to Lift Brackets WALKER MANUFACTURING COMPANY Page: 1-33...
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Reinstall and tighten the lug bolts. sition. 16. For GHS (Grass Handling System) equipped Walker tractors, install a blower intake cover in the CAUTION blower intake tube. The cover “unloads” the blower and seals the intake to effectively eliminate power DO NOT release the lift handle before loss and noise when the blower is not being used.
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Changing Engine Crankcase Oil/Oil Filter - All Models .......2-5 Mower Deck Gearbox Lubrication - All Models ..........2-8 DSD52 or DSD62 Mower Deck Lubrication............2-9 Tractor PTO Gearbox Lubrication - Model MC, MD, MT, MTL, MTEFI ....2-10 Checking Gearbox Oil Level ..............2-10 Changing Gearbox Oil ................2-10 Tractor PTO Gearbox Lubrication - Model MS ..........2-11...
5 hours of continuous operation. Proper lubrication is an important maintenance proce- dure. It reduces wear and makes the machine quieter Model MW, MB, MC, MD, MT, MTL, MTEFI and easier to operate. IMPORTANT: The importance of checking and main-...
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Check the engine crankcase oil level before use and after each 5 hours of continuous operation. Dipstick Operating Range - Model MC, MT, MTL, MTEFI IMPORTANT: The importance of checking and main- taining the proper crankcase oil level cannot be over- emphasized.
NOT SCREWED IN Model MC, MT, MTL, MTEFI Filler Plug For Model MT, MTEFI, and MC, change the engine crankcase oil after every 100 hours of operation and replace the oil filter every other oil change (every 200 hours of operation).
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Use the recom- mended oil viscosity for the expected ambient Model MW, MC, MD, MT, MTL, MTEFI temperature. Oil with the correct viscosity will aid starting in cold weather and assure proper lubrica- Install the new oil filter on the engine.
Check the level of lubricant in the gearboxes. If the lubricant is low, add SAE E.P. (Extreme Pressure) 80W-90 gear lube until the level is up to (submerg- es) the horizontal shaft in the gearbox (shaft paral- lel to cover plate). WALKER MANUFACTURING COMPANY Page: 2-8...
U-Joint two (2) shots of SAE general purpose lithium or molybdenum base grease. Gearbox, Dolly Wheel, and U-Joint Lubrication Blade Spindles Belt Drive Gearbox Dolly Wheel Pivot Gearbox and Dolly Wheel Lubrication Blade Spindle Lubrication WALKER MANUFACTURING COMPANY Page: 2-9...
Pressure) 80W-90 gear lube. Remove plug in top of gearcase to vent air when refilling. Check that the oil level is at the FULL mark on the dipstick. DO NOT overfill. Dipstick Location, Tractor PTO Gearbox - Model MT Jackshaft Gearbox Dipstick...
5 fl. oz. (15cl) of SAE E.P. (Extreme Pressure) 80W-90 gear lube. With the deck removed, the tractor unit may need to be tilted forward (resting on deck support arms) for posi- tioning purposes, to add oil into the PTO gearbox. WALKER MANUFACTURING COMPANY Page: 2-11...
Cold Level Steering and PTO Linkage Location Air Bleed Plug (view from underside of tractor) Gear Axle Lubrication - Model MS, MC, MD, MT Transmission Reservoir • and Air Bleed Plug Location (Model MC shown) The gear axle oil lubrication is SAE 80W-90 (API GL-5) gear lube.
If the fluid is below the COLD mark (or the trans- Changing Hydrostatic Transmission Fluid - Model MS, mission is not performing properly), loosen the air MC, MD, MT bleed plug (located on the top of transmission The hydrostatic fluid should be changed every 1000 case next to the plastic reservoir).
However, the gearbox oil seal(s) should be checked every 25 hours for indication of an oil leak. If gearbox oil is changed, fill with 15 oz. of 80W-90 gear oil. Do not overfill. WALKER MANUFACTURING COMPANY Page: 2-15...
Lubricate the grease fittings (16) on the camshaft drive ® system every 4 hours. Use Almagard #3752 lubri- cant (Walker P/N 6685-7). Rotary Broom Gearbox with Cover Removed The bearings at each end and attached to the retractor Clean the area around the plug located on the front plate arms are sealed and should be greased every of the gearbox.
Wipe the threads of the gearbox plug before rein- stalling. Torque plug to 24 in-lb (2.7 N·m). NOTE: In case the gearbox is completely drained of oil, approximately 5 fl. oz. (15 cl) of oil is required to refill the gearbox. WALKER MANUFACTURING COMPANY Page: 2-17...
Mounting Holes ium or molybdenum base grease for grease fittings and light machine oil (SAE 10) to lubricate oil points. Lubri- cate the locations shown in the Lubrication Points illustrations. Snowblower with Gearbox Cover Removed WALKER MANUFACTURING COMPANY Page: 2-18...
Remove Chain Guard Cover Apply oil to the drive chain. Adjust the chain if necessary. Refer to ADJUST- MENTS of Drive Chain Tension in the Service Procedures Section. Reinstall chain guard cover by reversing the re- moval procedures. WALKER MANUFACTURING COMPANY Page: 2-19...
Refer to Gear Axle Lubrication, Engine Oil, Tractor PTO Ground Drive Gearbox Lubrication, and Hydrostatic Transmission Fluid in this section. NOTE: DGHS42 Tilt-Up Deck is shown for reference. For other Deck Lubrication Points, Refer to Deck and Carrier Frame Illustrated Parts Manual. WALKER MANUFACTURING COMPANY Page: 2-22...
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SERVICE INSTRUCTIONS July 2006 23 & 32 Chassis and Deck Lubrication Points - Model MD WALKER MANUFACTURING COMPANY Page: 2-23...
PTO Clutch Lever Pivot Grease Belt Tightener Pivot, Grease NOTE: DGHS42 Tilt-Up Deck is shown for reference. For other PTO Clutch Deck Lubrication Points, Refer to Deck and Carrier Frame Illustrated Parts Manual. WALKER MANUFACTURING COMPANY Page: 2-24...
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SERVICE INSTRUCTIONS July 2006 28 & 35 27 & 34 Chassis and Deck Lubrication Points - Model MC WALKER MANUFACTURING COMPANY Page: 2-25...
NOTE: DGHS42 Tilt-Up Deck is shown for reference. For other Clutch Control Clevis Pin Deck Lubrication Points, Refer to Deck and Carrier Frame Scrubber Brake Linkage Illustrated Parts Manual. (GHS Model Only) Clutch Actuator Rod Grease (Grease Slide Area) WALKER MANUFACTURING COMPANY Page: 2-26...
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SERVICE INSTRUCTIONS July 2006 27 & 34 28 & 33 22 22 23 23 22 22 24 24 Chassis and Deck Lubrication Points - Model MS WALKER MANUFACTURING COMPANY Page: 2-27...
(on Control Panel) & Cable End Lubricate every eight (8) hours. Refer to Engine Oil in this section. NOTE: DSD42 Deck is shown for reference. For other Deck Lubrication Points, Refer to Deck and Carrier Frame Illustrated Parts Manual. WALKER MANUFACTURING COMPANY Page: 2-28...
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SERVICE INSTRUCTIONS July 2006 Chassis and Deck Lubrication Points - Model MW WALKER MANUFACTURING COMPANY Page: 2-29...
Body Latch NOTE: DSD42 Tilt-Up Deck is shown for reference. For other Parking Brake Lever Deck Lubrication Points, refer to Deck and Carrier Frame Choke Control Cable Ends Illustrated Parts Manual. PTO Belt Tightener Pivot Grease WALKER MANUFACTURING COMPANY Page: 2-30...
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SERVICE INSTRUCTIONS July 2006 21 & 24 18 & 23 Chassis and Deck Lubrication Points - Model MB (Start S/N 2004-68441) WALKER MANUFACTURING COMPANY Page: 2-31...
FSC Lever Pivot Grease NOTE: DSD42 Tilt-Up Deck is shown for reference. For other Body Latch Deck Lubrication Points, refer to Deck and Carrier Frame Parking Brake Lever Illustrated Parts Manual. PTO Clutch Lever Pivot Grease WALKER MANUFACTURING COMPANY Page: 2-32...
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SERVICE INSTRUCTIONS July 2006 20 & 24 22 & 23 Chassis and Deck Lubrication Points - Model MB (Start S/N 2007-85248) WALKER MANUFACTURING COMPANY Page: 2-33...
Grease Grease every eight (8) hours. Grease every eight (8) hours using Almagard #3752 lubricant (Walker P/N 6685-7). NOTE: The gearbox is permanently lubricated (oil filled) and sealed requiring no scheduled lubrication. However, the gearbox oil seal(s) should be checked every 25 hours for indication of an oil leak.
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SERVICE INSTRUCTIONS July 2006 Chassis and Deck Lubrication Points - Perfaerator WALKER MANUFACTURING COMPANY Page: 2-35...
Grease no scheduled lubrication. Oil level should be checked only Driveline Support Pivot when an oil leak is noted. Refer to Rotary Broom Gearbox Angle Adjustment PlateOil in this section. Grease every eight (8) hours. WALKER MANUFACTURING COMPANY Page: 2-40...
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SERVICE INSTRUCTIONS July 2006 Lubrication Points - Rotary Broom WALKER MANUFACTURING COMPANY Page: 2-41...
Oil level should be checked only Reduction Chain when an oil leak is noted. Refer to Two-Stage Snowblower Sprockets Gearbox in this section. Parallel Bar Pivot Pins Universal Joint Shaft Assembly Grease Grease every eight (8) hours. (Grease Slide Area) WALKER MANUFACTURING COMPANY Page: 2-42...
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SERVICE INSTRUCTIONS July 2006 Lubrication Points - Two-Stage Snowblower WALKER MANUFACTURING COMPANY Page: 2-43...
Gearboxes are permanently lubricated and sealed requiring Counterweight Spring and no scheduled lubrication. Oil level should be checked only Lift Chain Clevis Pins when an oil leak is noted. Refer to Gearbox Lubrication in this section. WALKER MANUFACTURING COMPANY Page: 2-46...
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SERVICE INSTRUCTIONS July 2006 Rear View Bottom View Lubrication Points - SB36 Snowblower WALKER MANUFACTURING COMPANY Page: 2-47...
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SERVICE INSTRUCTIONS July 2006 WALKER MANUFACTURING COMPANY Page: 2-48...
Engine Cooling System - Model MD, MTL ............3-11 Coolant Level ...................3-11 Fan Belt Tension - Model MD ..............3-11 Security of Air Filtration Components - Model MS, MC, MD, MT .....3-12 Security of Air Cleaner System - Model MB .............3-12 Battery ......................3-12 Cleaning the Terminals - All Models ............3-12...
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Grass Buildup in Mower Housing - All Models ..........3-28 GHS Blower - Model MS, MC, MD, MT ............3-29 GHS Exhaust Screen - Model MS, MC, MD, MT..........3-30 Hydrostatic Transmission Cooling Fins - Model MS, MC, MD, MT ....3-30 Transaxle Cooling Fins - Model MB ..............3-31 WALKER MANUFACTURING COMPANY...
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SERVICE INSTRUCTIONS July 2006 CAUTION Maintenance procedures requiring special training or tools should be performed by a trained technician. MAINTENANCE SCHEDULE CHART RECOMMENDED SERVICE INTERVALS - MODEL MT, MTL, MTEFI, MTLEFI Every Ref. Service Item Daily Hours Hours Hours Yearly...
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Air cleaner is remote mounted Donaldson Radialseal™ unit, replace filter every year or after 6 cleanings Δ Change engine oil and filter after first 35 hours of operation of a new engine (break-in period) ΔΔ Change every year or 800 hours ΔΔΔ Change every 2 years or 1000 hours WALKER MANUFACTURING COMPANY Page: 3-4...
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(fail-safe protection in case of fail- operation of a new engine (break-in period) ure of body lift support). For GHS Model, ΔΔΔ Change every 2 years or 1000 hours empty grass catcher before raising body. WALKER MANUFACTURING COMPANY Page: 3-5...
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Change every 2 years or 1000 hours frame (fail-safe protection in case of fail- ure of body lift support). For GHS Model, empty grass catcher before raising body. WALKER MANUFACTURING COMPANY Page: 3-6...
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Check/Adjust Blade/Brake Action 3-17 Replace Air Filter Paper Element* 3-26 ∗ More often in extremely dusty or dirty conditions ∗∗ Change engine oil and filter after first 8 hours of operation of a new engine (break-in period) WALKER MANUFACTURING COMPANY Page: 3-7...
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(break-in period) When performing maintenance with the mower body raised, a safety prop should be installed from back of body to chassis frame (fail-safe protection in case of fail- ure of body lift support). WALKER MANUFACTURING COMPANY Page: 3-8...
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Check the coolant level in the coolant recovery tank and maintain the coolant level between the FULL Model MS, MW, MB, MC, MT and LOW marks on the recovery tank. When the en- gine is cold, the coolant level should be at or slightly above the LOW mark on the recovery tank.
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Rear = 20 PSI (137 kPa) Wheel Bolt Torque - Model MS, MC, MD, MT Check every 100 hours the eight (8) lug bolts that mount the drive tires. They should be torqued to 75 to 85 ft-lb.
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NOTE: Blades can be sharpened with an electric blade sharpener, conventional electric grinder, or a Model MS, MW, MB, MC, MT, MTL hand file. Stop the engine, remove ignition key, and discon- CAUTION nect the spark plug wire(s) before raising the mow- er deck to service blades.
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Check for proper blade rotation before installing blades on the deck. Drive Belts - Model MC, MT, MTL Raise the body and inspect the condition of the four (4) belts (3 belts on SD models) every 25 hours of opera- tion - engine PTO drive, jackshaft drive, hydrostatic ground drive, and GHS blower drive.
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Radiator Hoses and Clamps - MD, MTL Inspect the radiator hoses every 200 hours for deteri- Engine Starter - Model MC, MT, MTL, MTEFI oration or damage. Also check the tightness of the hose clamps. Good preventive maintenance calls for com-...
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Electrical Systems Section. Fuel Valve Closed (Engine OFF Position) Fuel Shut-Off Fuel Control Arm In Valve Open (Run) Position Throttle Control Arm (Noted For Reference) Fuel Valve Open (Engine START and RUN Position) WALKER MANUFACTURING COMPANY Page: 3-16...
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(5) seconds after disengage- ment of the clutch. If the brake system malfunctions - Model MS, MW, MC, MD, MT blades do not stop in five (5) seconds - replace the brake before operating the mower.
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Donaldson Air Air Restriction Air Cleaner Precleaner Cleaner Cover Gauge Cartridge Precleaner Vacuator™ Tube Valve Safety Filter Donaldson Air Cleaner Air Intake Hose Hose Clamp Engine Engine Air Cleaner System Components - Model MT, MTL, MTEFI WALKER MANUFACTURING COMPANY Page: 3-18...
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Air Restriction Gauge Turbine Precleaner Hose Clamp Vacuator™ Valve Air Cleaner Precleaner Tube Safety Filter Cartridge Donaldson Hose Air Cleaner Clamp Air Intake Hose Hose Clamp Engine Engine Air Cleaner System Components - Model MD WALKER MANUFACTURING COMPANY Page: 3-19...
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Air Intake Donaldson Hose Air Cleaner Safety Filter Air Cleaner Cartridge Precleaner Tube Brass Elbow Restriction Gauge Donaldson Air Cleaner Cover Vacuator™ Valve Turbine Precleaner Hose Clamp Engine Engine Air Cleaner System Components - Model MC WALKER MANUFACTURING COMPANY Page: 3-20...
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SERVICE INSTRUCTIONS July 2006 Donaldson Air Cleaner Cover Air Cleaner Vacuator™ Cartridge Valve Safety Filter Donaldson Air Cleaner Hose Clamp Restriction Gauge Air Intake Hose Hose Clamp Engine Engine Air Cleaner System Components - Model MS WALKER MANUFACTURING COMPANY Page: 3-21...
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July 2006 Donaldson Radialseal™ Air Cleaner - Model MS, MC, Inspect the paper element after every 100 hours of MD, MT, MTL service and replace the element and safety filter yearly (or when dirty or damaged). More frequent replace- A remote mounted Donaldson Radialseal™ air cleaner ment may be required when operating in extremely provides the air filtering function.
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Make sure both the top and bottom cover latches are securing the cov- er in place. WALKER MANUFACTURING COMPANY Page: 3-23...
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Engine Air Intake Screen - Model MS • Wipe up spilled gasoline immediately Cylinder Head Cooling Fins - Model MC, MT, MTEFI and completely. It is essential for performance and longevity of the air- cooled engine to keep the cylinder head cooling fins Close the fuel shut-off valve.
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If the buildup is excessive, terial out of the fins as this may damage the cooling refer to step 2. fins. DO NOT use cold water on a hot radiator. WALKER MANUFACTURING COMPANY Page: 3-25...
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(it would be normal to add a lit- cleaner body bottom. tle coolant after initial operation). WALKER MANUFACTURING COMPANY Page: 3-26...
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Operating the engine with a blocked air in- tightly against the element cover and base plate. Rein- take screen, dirty or plugged cooling fins, stall air cleaner cover. and/or cooling shrouds removed will cause engine damage from overheating. WALKER MANUFACTURING COMPANY Page: 3-27...
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Deck Air Cleaner Components Grass Buildup in Mower Housing - All Models Deck Lock Lever Model MS, MW, MB, MC, MT Deck Secured in TILT-UP Position - Model MS, MB, MC, MD, MT (Model MC shown) DANGER Before raising or removing the mower...
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The belt should be Collapse Blower Belt Tightener to Remove clear of the blower pulley, allowing free movement GHS Blower Drive Belt - Model MC, MD, MT of the blower wheel. Model MS Remove the PTO drive belt from the GHS blower...
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Cleaning GHS Blower - Model MS Reinstall the PTO drive belt by reversing the re- Cooling Fan moval procedure. GHS Exhaust Screen - Model MS, MC, MD, MT Refer to Cleaning the GHS Exhaust Screen in this section. Cooling Fins...
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An additional procedure in maintaining transaxle cool- ing is to inspect the cooling fans. Replace the fan(s) if blades are missing or damaged. Cooling Fins Cooling Transaxle Cooling Fins WALKER MANUFACTURING COMPANY Page: 3-31...
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SERVICE INSTRUCTIONS July 2006 WALKER MANUFACTURING COMPANY Page: 3-32...
Drive Belts - Model MW ..................4-4 Drive Belts - Model MB..................4-4 Engine PTO Drive Belt (3 Groove Power Band) - Model MC, MT, MTL ..4-9 Engine PTO Drive Belt (3 Groove Power Band) - Model MD.....4-10 Engine Belt - Model MS ................4-11 PTO Drive Belt - Model MS................4-12...
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SERVICE INSTRUCTIONS July 2006 GHS Blower Assembly Installation - Model MS, MC, MD, MT....4-30 10.5” Blower Wheel Removal - Model MC, MD, MT ........4-31 Replacing Fuel Valve Solenoid - Model MD .............4-32 REPLACING/REPAIRING - IMPLEMENTS .............4-32 Tine Ends ......................4-32 Dozer Blade Cutting Edge ................4-33 Rotary Broom Brush ..................4-33...
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Carburetor - Model MB ..................4-68 Initial Adjustment..................4-68 Final Adjustment ..................4-69 GHS “Full” Signal Horn with Grass-Pak® Switch - Model MS, MC, MD, MT ...4-71 Troubleshooting (When Horn Fails to Operate) .........4-71 GHS Signal Horn Adjustment - Model MS, MD, MT .........4-72 ADJUSTMENTS - IMPLEMENTS ..............4-73...
PTO Drive Belt (3 Groove Power Band) others. Drive Belts - Model MB Drive Belts - Model MC, MT, MTL There are three (3) individual belts on the machine: There are four (4) individual belts on GHS models or •...
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SERVICE INSTRUCTIONS July 2006 Jackshaft Drive Belt Engine PTO Belt GHS Blower Belt (GHS Model Only) Hydrostatic Ground Drive Belt Belt Locations - Model MC, MT, MTL WALKER MANUFACTURING COMPANY Page: 4-5...
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SERVICE INSTRUCTIONS July 2006 Jackshaft Drive Belt Engine Engine PTO Belt Fan Belt Hydrostatic Ground Drive Belt GHS Blower Belt (GHS Model Only) Belt Locations - Model MD WALKER MANUFACTURING COMPANY Page: 4-6...
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SERVICE INSTRUCTIONS July 2006 PTO Drive Belt Engine Belt Ground Drive Belt Belt Locations - Model MS Ground Drive Belt Engine/PTO Belt Matched Set Belt Locations - Model MB S/N 2004-68441 WALKER MANUFACTURING COMPANY Page: 4-7...
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SERVICE INSTRUCTIONS July 2006 Ground Drive Belt Belts Belt Locations - Model MB S/N 2007-85248 WALKER MANUFACTURING COMPANY Page: 4-8...
Engine in the DOWN Position Pulley Belt Guides (Bottom Guide Not Visible) Clutch Idler Pulley Belt Guide PTO Drive Pulley Micro-V Pulley (GHS Blower Drive) Engine PTO Drive Belt Removal - Model MC, MT, MTL WALKER MANUFACTURING COMPANY Page: 4-9...
Pull UP to Engage Engine Pulley Engine PTO Belt Blade Clutch Lever in the UP Position Clutch Linkage Clutch Idler Pulley Brake Band PTO Belt Tightener Arm PTO Drive Pulley Engine PTO Drive Belt Removal - Model MD WALKER MANUFACTURING COMPANY Page: 4-10...
Relax Belt Tension Spring Belt Tightener Engine Pulley Engine Belt (Disengaged) Reverse the removal procedure to replace the engine belt. Engine Belt Compound Pulley Idler Pulley Tension Spring Belt Tightener Engine Pulley Engine Belt (Engaged) WALKER MANUFACTURING COMPANY Page: 4-11...
Install the PTO drive belt by reversing removal pro- cedure. Ground Drive Belt Ground Drive Drive Belt Idler Pulley Remove Spring and Linkage Remove Loosen Mounting Bolts Front Bolts PTO Drive and Ground Drive Belt Removal (view from underside rear of tractor) WALKER MANUFACTURING COMPANY Page: 4-13...
Engine/PTO PTO Drive Belts Pulley Engine/PTO Belt (Disengaged) Reverse the removal procedure to replace the engine belt. Electric Idler Clutch Idler Arm Pulley Tension Idler Pulley Spring PTO Drive Engine/PTO Pulley Belts Engine/PTO Belt (Engaged) WALKER MANUFACTURING COMPANY Page: 4-14...
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Engine/PTO Belts Pulley Engine/PTO Belt (Disengaged) (Engine Hidden for Clarity) Reverse the removal procedure to replace the engine belt. Idler Arm 1/2" (1.27 cm) deflection Engine/PTO Belts Pulley Engine/PTO Belt (Engaged) (Engine Hidden for Clarity) WALKER MANUFACTURING COMPANY Page: 4-15...
SERVICE INSTRUCTIONS July 2006 Jackshaft Drive Belt - Model MC, MT, MTL Relax the belt by depressing the spring- To remove the jackshaft drive belt: loaded idler arm. Remove the engine PTO drive belt, as Roll the belt off the jackshaft pulley and described in previous section.
Reverse the removal procedure to replace the jackshaft drive belt. Idler Arm Release Jackshaft Cold Start Lever Drive Belt (Engaged) Jackshaft Pulley Spring Tension (Engaged) Ground Drive Engine Pulley Idler Pulley (Engaged) Jackshaft Drive Belt (Engaged) WALKER MANUFACTURING COMPANY Page: 4-17...
SERVICE INSTRUCTIONS July 2006 GHS Blower Drive Belt - Model MC, MD, MT, MTL Remove the GHS blower drive belt tension by de- pressing the idler pulley on the tightener arm. Roll the belt off the blower pulley. The belt should be clear of the blower pulley, allowing free movement of the blower wheel.
SERVICE INSTRUCTIONS July 2006 Hydrostatic Ground Drive Belt - Model MC, MT, MTL Slide belt off pulleys, then release the idler. To remove the hydrostatic ground drive belt: Raise the spring-loaded belt tightener arm and idler pulley to relax belt.
Ground Drive Belt Hydrostatic Ground Drive Belt Assembly (Disengaged) Reverse the procedure to install the hydrostatic ground drive belt. Belt Tightener Arm Spring Idler Pulley Hydrostatic Ground Drive Belt Hydrostatic Ground Drive Belt Assembly (Engaged) WALKER MANUFACTURING COMPANY Page: 4-20...
Ground Drive Belt Assembly (Disengaged) Reverse the procedure to install the ground drive belt. Idler Pulley Belt Tightener Arm Transmission Drive Pulley Tension Spring Hydrostatic Ground Drive Drive Pulley Belt Hydrostatic Drive Pulley Ground Drive Belt Assembly (Engaged) WALKER MANUFACTURING COMPANY Page: 4-21...
Spring Ground Drive Belt Assembly (Disengaged) Reverse the procedure to install the ground drive belt. RH Hydro-Gear Ground Drive LH Hydro-Gear Belt Drive Pulley Idler Pulley Hydro Idler Tension Spring Ground Drive Belt Assembly (Engaged) WALKER MANUFACTURING COMPANY Page: 4-22...
CHECKING/SERVICING the Fan Belt Tension in the Maintenance Instructions Section. Alternator Bracket Tensioner Bolt Engine Alternator Fan Belt Water Pump Crankshaft Pulley Pulley Engine Fan Belt (Tight) WALKER MANUFACTURING COMPANY Page: 4-23...
July 2006 Fuel Filter - Model MB, MC, MT, MT25 Fuel Filter - Model MTEFI, MTLEFI Models MT, MTL, MC and MB are equipped with an in- WARNING line fuel filter. Visually inspect the filter periodically, and replace the filter yearly.
(Kohler Part No. 24 237 05-S or counters a shock load. Walker P/N 5879-5) on fuel line connec- tions. Fuel Filter - Model MD Model MD has two (2) fuel filters. Replace both the in-line filter and the Kubota filter element every 400 hours of operation.
Sharpen Mower Blades instructions. Dur- ing the course of sharpening and inspecting mower PTO Shear Pin - Model MW, MC, MD, MT, MTL blades, if there are any of the following conditions of wear or damage, blades should be replaced for rea- sons of safety and performance of the machine: •...
Reinstall the blades following procedure from Sharpen reassembly. Mower Blades instructions. If blades are replaced, al- ways use Walker original equipment blades to en- Drain and properly dispose of oil. sure safety and optimum performance. The quality and performance of replacement blades offered by other...
Position the gear drive assembly on the deck and install the 3/8-16 bolts mounting the entire assem- GHS Blower Assembly Removal - Model MC, MD, MT, bly. Leave the mount bolts finger-tight. 10. Torque all the connector tube bolts to 90 in-lb Remove the mower deck.
(10.5 Blower only). of the chassis frame and remove. Lower the blower assembly straight down 10” Blower Wheel Removal - Model MS, MC, MD, MT out of the chassis frame and remove. When required, replace the blower wheel using the fol-...
SERVICE INSTRUCTIONS July 2006 Blower Wheel Installation - Model MS, MC, MD, MT To install the blower wheel, reverse the removal procedures. The front bearing is mounted on the blower wheel shaft, secured by a locking collar. Drive the locking collar clockwise with a punch, and tighten the set screw.
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SERVICE INSTRUCTIONS July 2006 10.5” Blower Wheel Removal - Model MC, MD, MT With blower assembly removed and when required, replace the 10.5 blower wheel using the following procedure: Remove intake tube by removing three (3) 1/4-20 x 1/2 bolts.
Reinstall the engine air intake hose. Make sure the hose clamps are tight and the hose is secure. Tine End Replacement Install new tine end by reversing the removal pro- cedure. Open side of tine should be to rear. WALKER MANUFACTURING COMPANY Page: 4-32...
Remove the two (2) bolts and the chain guard. Loosen the bolt securing the chain idler so that the chain can be removed from the sprocket. Loosen the two sprocket set screws and push sprocket towards the brush. WALKER MANUFACTURING COMPANY Page: 4-33...
Loosen the bearing flange mounting nuts and bolts. Position the chain tension block so that the chain has as much slack as possible. Tighten the bearing flange mounting nuts and bolts slightly to hold the bearing flange in this position. WALKER MANUFACTURING COMPANY Page: 4-34...
Place the key in the keyway on the drive shaft. Replace Drive Chain Adjust the chain. Refer to ADJUSTMENTS of Ro- tary Broom Drive Chain Tension in this section. Reinstall the chain guard by reversing the removal procedures. WALKER MANUFACTURING COMPANY Page: 4-35...
ADJUSTMENTS of Rotary Broom Drive Chain Tension in this section. 10. With the chain installed, recheck the sprocket alignment. 11. Lubricate the drive chain. Refer to LUBRICATION of Rotary Broom Drive Chain in this section. WALKER MANUFACTURING COMPANY Page: 4-36...
Remove the 5/16 nut and the 5/16 x 2 hex pinion shaft bolt. Remove the two (2) 5/16-NC nylon locknuts and the two (2) 5/16-NC x 1-1/4 in. hex bolts fastening the support bracket and gearbox to the snowblow- er frame. WALKER MANUFACTURING COMPANY Page: 4-37...
TION of Two-Stage Snowblower Reduction Chain in the Lubrication Section. Reinstall the reduction box cover by reversing the removal procedures. Asymmetric (Replace) Reduction Sprocket Wear NOTE: Generally, a small sprocket wears faster than a large sprocket. WALKER MANUFACTURING COMPANY Page: 4-38...
Loosen set screw in upper stop ring. Pull rotation handle up out of work way. Unbolt and remove the driven pinion. Install the new driven pinion and tighten the nut and bolt securely. WALKER MANUFACTURING COMPANY Page: 4-39...
Clip Master Link Proper Master Link Clip Installation Adjust the chain. Refer to ADJUSTMENTS of Drive Chain Tension in this section. Reinstall the auger guard and the chain guard by reversing the removal procedures. WALKER MANUFACTURING COMPANY Page: 4-41...
Make sure the Woodruff key is in place between Reinstall and adjust the drive chain by reversing the driveshaft and sprocket. the removal procedures. Refer to ADJUST- MENTS of Drive Chain Tension in this section. WALKER MANUFACTURING COMPANY Page: 4-42...
There is a spacer washer on each end of the auger shaft. Remove the six (6) bolts that fasten the sprocket to the auger and remove the sprocket. Install the new sprocket. Reinstall and tighten the sprocket bolts. WALKER MANUFACTURING COMPANY Page: 4-43...
1/4-20 x 3/4 carriage bolts and nuts. PTO Shear Pin Flexible Coupling Spider IMPORTANT: Use only Walker P/N 8067-10 shear pins for replacement to provide proper shock pro- Inspect the flexible coupling spider after every 25 tection -- these pins are hardened to shear under a hours of operation.
Slight adjustments can be made by carefully bending switch body. the leaf switch up or down as needed. Tail Wheel Bearing Preload - Model MD, MT, MTL • With an operator in the seat, the engine starts with Preload the tail wheel bearings by tightening the axle...
SERVICE INSTRUCTIONS July 2006 Blade Clutch (PTO) - Model MC, MT, MTL Model MT, MTL Clutch Engagement/Belt Tension Adjust the bolt head clearance [1/4 in. to 3/8 in. (6.35 mm to 9.53 mm)] first (clutch engaged), then ad- The clutch engagement and PTO belt tension are ad- just uncompressed spring length (clutch disengaged).
Spring Overall Length 2-1/8 in. (54 mm) Knuckle Adjustment Joint Spring Uncompressed Blade Clutch Idler Pulley Blade Clutch Lever Disengaged PTO Clutch Disengaged - Model MT, MTL WALKER MANUFACTURING COMPANY Page: 4-48...
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SERVICE INSTRUCTIONS July 2006 Spring Overall Length 2 in. (51 mm) Knuckle Adjustment Joint Spring Uncompressed Blade Clutch Idler Pulley Blade Clutch Lever Disengaged PTO Clutch Disengaged - Model MC WALKER MANUFACTURING COMPANY Page: 4-49...
Brake Actuator NOTE: The importance of this adjustment is if the pul- ley travel is excessive and the belt develops too much slack, the belt will derail when disengaged. Blade Brake Band Adjustment WALKER MANUFACTURING COMPANY Page: 4-50...
100 hours to maintain the linkage dimensions, it may suggest problems with pul- ley wear or belt misalignment. 8-1/4 in. Locknuts 2-1/8 in. (54 mm) (209 mm) Bottom Clevis Clutch Linkage Adjustment - Disengaged Brake Actuator Rod Adjustment WALKER MANUFACTURING COMPANY Page: 4-51...
“clutch engaged” to “clutch dis- engaged.” To check and adjust the pulley travel, first engage the clutch, then measure the dis- tance the pulley moves down as the clutch is dis- engaged. WALKER MANUFACTURING COMPANY Page: 4-52...
(align) the brake bar on the belt; like- wise, the scrubber on SD models is bent for alignment with the belt. Scrubber Brake Bar Contacting Belt Slower Quicker Brake Mount Bar Scrubber Brake Adjustment - GHS WALKER MANUFACTURING COMPANY Page: 4-53...
Evenly adjust the nuts on the end of the brake band to achieve 1/4" of travel of the PTO gearbox as- Transmission Control - Model MS, MC, MD, MT, sembly between the engaged and the disengaged position (refer to PTO Gearbox Engagement Photo).
Steering Adjustment Nut NEVER attempt to disconnect any safety devices or defeat the purpose of these Forward Speed Control Stop safety devices. and Steering Lever Adjustment - Model MT Steering Lever FSC Actuator Actuator Arms Clevis LH Hydrostatic Transmission (For Orientation)
Straight Ground Travel Adjustment Transmission Control - MW Straight Ground Travel Adjustment - Step 4 Model MS, MC, MD, MT, MTL DANGER Sit in the seat, start the engine (operate at normal speed), and with the FSC in the NEUTRAL-PARK...
(Step 2). Increasing the length of the control rod, decreases the gap. Shortening the control rod, in- creases the gap. WALKER MANUFACTURING COMPANY Page: 4-57...
Handle Bar Tighten Bolt to Attachment to Body Slow Down Travel Speed Adjustable Steering Control Rod Tracking Adjustment Handlebar Height Adjustment Recheck the Control Handle (Pistol Grip) Adjust- ment - Step 5. WALKER MANUFACTURING COMPANY Page: 4-58...
July 2006 Forward Speed Control Friction Lock - Model MS, Tilt-Up Deck Adjustable Stop - All Decks MC, MD, MT When the carrier frame hinge joint is properly adjusted, The FSC friction lock is adjusted to hold the selected the deck lock levers should move in and out of the en- forward speed when the steering levers are moved gaged and disengaged positions freely.
Gently close the idle mixture needle valve by turn- erating the solenoid. ing it clockwise until it bottoms lightly. Carburetor - Model MC, MT IMPORTANT: The needle valve and carburetor seat may be damaged by turning the adjustment screw too tight.
NOTE: Due to the technical requirements of modern carburetors, refer to the Kohler Service Manual or con- tact an authorized Kohler engine dealer for carburetor adjustments and service not described in this section. WALKER MANUFACTURING COMPANY Page: 4-61...
Do not attempt to circumvent this warm up period, or readjust the idle speed during this time. The engine must be completely warmed up for accurate idle speed adjustment. WALKER MANUFACTURING COMPANY Page: 4-62...
Mark the hole position temporarily clamp the parts in this position. and unhook the governor spring from the governor Refer to Inserting Feeler Gauge (Engines lever. Without Stop Screw) photo. WALKER MANUFACTURING COMPANY Page: 4-63...
1/32". If the tips are touching and there is no gap present, the lever should be replaced. If not already installed, position the governor lever on the cross shaft, but leave the clamping screw loose. WALKER MANUFACTURING COMPANY Page: 4-64...
The idle speed is the only adjustment that may be per- formed on the EFI system. The standard idle speed setting for EFI engines is 1500 RPM, but certain appli- Idle Speed Screw Details cations might require a different setting. Check the equipment manufacturer’s recommendation. WALKER MANUFACTURING COMPANY Page: 4-65...
1/32". If the tips are touching and there is in this position. no gap present, the lever should be replaced. If not already installed, position the governor lever on the cross shaft, but leave the clamping screw loose. WALKER MANUFACTURING COMPANY Page: 4-66...
Follow Steps 3 and 4 in carburetor main jet should be changed for best fuel ‘‘Checking the Initial Adjustment’’. economy and power. Contact an authorized Kawasaki engine dealer to change the carburetor main jet. WALKER MANUFACTURING COMPANY Page: 4-67...
This setting will permit engine to start. Final adjustment will be made with engine running. Move throttle to the IDLE position. Adjust idle speed for 1300 RPM by adjusting the idle speed screw. Check the idle speed using a tachometer. WALKER MANUFACTURING COMPANY Page: 4-68...
Then turn idle mixture screw counterclockwise until tor adjustments: engine speed just starts to slow (rich mixture). An accurate tachometer, such as Tool #19200 or Turn screw to mid point between rich and lean. #19389. Tang bender, Tool #19352. WALKER MANUFACTURING COMPANY Page: 4-69...
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Governor Tool Lever #19352 Adjust Throttle Restrictor Governed Idle Tang 11. Move equipment control to FAST position. Engine Tool #19352 should accelerate smoothly. Readjust idle mixture valve 1/8 turn richer if Adjust Governed Idle necessary. WALKER MANUFACTURING COMPANY Page: 4-70...
SERVICE INSTRUCTIONS July 2006 ® GHS “Full” Signal Horn with Grass-Pak Switch - WARNING Model MS, MC, MD, MT Model MC, MD, MT ® DO NOT test the Grass-Pak switch with the engine running. Projectiles CAN be If the GHS “full” signal horn is not sounding when the...
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July 2006 GHS Signal Horn Adjustment Exhaust (When Horn Sounds at Wrong Time) - Model MS, Screen MD, MT DANGER PINCH POINT - SPRING LOADED DOOR 4 to 4-1/2 in. When lowering the door on the GHS catcher, depress the safety latch on the side of the catcher.
Retighten the chain tension block mounting nut Retaining and bolt. Recheck the drive chain tension. Tension Block Nut Ref. Chain Tine Guard Opening Tine Opening to Face Rear of Unit Drive Chain Adjustment Tine End Depth Adjustment WALKER MANUFACTURING COMPANY Page: 4-73...
Tighten the three bolts on the upper coupler, re- check slack. Adjust the drive chain as follows: move the wood blocks, and lower the broom to the ground to make sure the brush is level. Loosen the chain idler nut. WALKER MANUFACTURING COMPANY Page: 4-74...
On uneven or gravel surfaces, allow 1/2 to 5/8 in. (13 to 16 mm) clearance, depending on the size of the gravel. Refer to Skid Shoe Height Adjustment illustration. Increase Chain Tension Reduction Chain Tension Adjustment WALKER MANUFACTURING COMPANY Page: 4-75...
Tighten the fasteners securely and rein- Pivot stall the belt guard by reversing the removal proce- Bushing dures. Gauge Wheel Gauge Wheel Height Adjustment Blower Pulley Bearing Support Bolts Adjustment Eye Bolts Drive Belt Tension Adjustment WALKER MANUFACTURING COMPANY Page: 4-76...
The rotation handle should rotate freely without excessive end play. Upper Stop Ring & Set Screw Lower Support Lower Stop Ring Rotation & Set Screw Pinions Debris Blower Rotation Pinions & Handle Adjustment WALKER MANUFACTURING COMPANY Page: 4-77...
Position the gauge wheels (or skid shoes) so that the snowblower is level and the scraper blade has light contact or slight clearance with the surface. Retighten the bolts that fasten the gauge wheels (or skid shoes) to the snowblower. WALKER MANUFACTURING COMPANY Page: 4-78...
SECTION 5 Electrical Systems Contents of this Section SUBJECT PAGE ELECTRICAL SYSTEM - MODEL MT, MTL, MTEFI ........5-2 Circuit Breakers ....................5-2 ELECTRICAL SYSTEM - MODEL MD .............. 5-3 Circuit Breakers ....................5-3 ELECTRICAL SYSTEM - MODEL MC .............. 5-4 Circuit Breakers ....................5-4 ELECTRICAL SYSTEM - Model MS, MB ............
SERVICE INSTRUCTIONS July 2006 ELECTRICAL SYSTEM - MODEL MT, MTL, MTEFI Circuit Breakers For troubleshooting, refer to Wiring Diagram. A master circuit breaker is mounted on a bracket be- hind the battery. The circuit breaker may have either IMPORTANT: For Model MTEFI, an illuminated En-...
The circuit breaker may have either the manual or automatic reset function -- both types have been used. See Circuit Breaker Location photo. 30 Amp Circuit Breaker Circuit Breaker Mounting Bracket Circuit Breaker Location WALKER MANUFACTURING COMPANY Page: 5-4...
SERVICE INSTRUCTIONS July 2006 SCHEMATICS Wiring Diagram - Model MT POWERFIL WALKER MODEL MT MOTOR Beginning S/N 2003- 64669 GRASS PAK SWITCH IGNITION SWITCH CIRCUITS G + M START B + A / S1 + S2 B + A HORN...
SERVICE INSTRUCTIONS July 2006 Wiring Diagram - Model MTEFI RED/WHT WALKER MODEL MT-EFI Beginning S/N 2003-64669 IGNITION SWITCH CIRCUITS TO J5 G + M TO J4 START B + A / S1 + S2 B + A TO J8 TO J2...
SERVICE INSTRUCTIONS July 2006 WALKER MODEL MTL Wiring Diagram - Model MTL GRASS PAK Beginning S/N 2003-64669 SWITCH IGNITION SWITCH CIRCUITS RELAY - A G + M PTO RELAY BLK/WHT BLK/WHT 30 + 87A START B + A / S1 + S2...
SERVICE INSTRUCTIONS July 2006 WALKER MODEL MDD Wiring Diagram - Model MD Beginning S/N 2004-66313 IGNITION SWITCH CIRCUITS ALL OPEN GLOW PLUG 30 + 19 + AC START 30 + 17 + 50 + AC 30 + AC 30 = BATTERY...
SERVICE INSTRUCTIONS July 2006 Wiring Diagram - Model MC WALKER MODEL MC Beginning S/N 2006-79501 IGNITION SWITCH CIRCUITS G + M POWERFIL START B + A / S1 + S2 MOTOR CASE GROUND B + A TO MOTOR MOUNT S1 = START CIRCUIT...
B = BATTERY CIRCUIT L = ACCESSORY CIRCUIT B + L G = CASE GROUND LOAD REQUIREMENT - LIGHTS 65.5 WATTS PF MOTOR 18.0 WATTS OPTIONAL LIGHTS TOTAL 83.5 WATTS BATTERY HOUR METER CHASSIS GROUND WALKER MANUFACTURING COMPANY Page: 5-13...
SERVICE INSTRUCTIONS July 2006 WALKER MODEL MB Wiring Diagram - Model MB Beginning S/N 2005-68441 thru 2006-85007 RELAY - A IGNITION SWITCH CIRCUITS IGNITION RELAY G + M 30 + 87A START B + A / S1 + S2 ELECTRIC...
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SERVICE INSTRUCTIONS July 2006 WALKER MODEL MB Beginning S/N 2007-85248 RELAY - A RELAY - C IGNITION SWITCH CIRCUITS IGNITION RELAY IGNITION RELAY G + M 30 + 87A 30 + 87A START B + A / S1 + S2...
Ball Bearing P004 788028 Gasket Cover * P047 is a Matched Set - Walker only offers these as a set. This Gearbox is used in the following applications: For The Following Decks After S/N 99-46813 DGHS48 Tee Gearbox WALKER MANUFACTURING COMPANY...
Ball Bearing P004 788028 Gasket Cover * P057 is a Matched Set - Walker only offers these as a set. This Gearbox is used in the following applications: (RH and LH indicate view from operator seat) DSD56 RH Gearbox WALKER MANUFACTURING COMPANY...
Ball Bearing P004 788028 Gasket Cover * P060 is a Matched Set - Walker only offers these as a set. 13 13 This Gearbox is used in the following applications: (RH and LH indicate view from operator seat) DSD56 LH Gearbox...
Gasket Cover P016 792119 Snap Ring * P060 is a Matched Set - Walker only offers these as a set. This Gearbox is used in the following applications: (RH and LH indicate view from operator seat) DSD56 Tee Gearbox WALKER MANUFACTURING COMPANY...
Ball Bearing P004 788028 Gasket Cover * P047 is a Matched Set - Walker only offers these as a set. This Gearbox is used in the following applications: For The Following Decks After S/N 99-46813 DGHS48 Tee Gearbox WALKER MANUFACTURING COMPANY...
Snap Ring, Gear Retainer F062 792219 Seal Protector Washer * P057 is a Matched Set - Walker only offers these as a set. This Gearbox is used in the following applications: (RH and LH indicate view from operator seat) DSD56 RH Gearbox...
Gasket Cover P062 792219 Seal Protector Washer * P057 is a Matched Set - Walker only offers these as a set. This Gearbox is used in the following applications: (RH and LH indicate view from operator seat) DSD56 LH Gearbox...
SERVICE INSTRUCTIONS July 2006 CAST IRON PEERLESS GEARBOX 1050-007 (WALKER P/N 5052-7) For 42" & 48" European Decks WALKER PEERLESS ITEM PART PART DESCRIPTION REQ’D P018 772067 Cover, LH 770141 Right Angle Drive Housing P003 778101 Miter Gear (17 teeth-steel)
Gasket Cover P016 792119 Snap Ring * P060 is a Matched Set - Walker only offers these as a set. This Gearbox is used in the following applications: (RH and LH indicate view from operator seat) DSD56 Tee Gearbox WALKER MANUFACTURING COMPANY...
WHAT THIS WARRANTY COVERS, AND FOR HOW LONG: Walker Manufacturing company will, at its option, repair or replace, without charge, any part covered by this warranty which is found to be defective in material and/or workmanship within one (1) year* after date of sale to the original retail pur- chaser unless the product is used for rental purposes, in which case this warranty is limited to ninety (90) days.