Related Manuals for OLIMAC Drago Series
Summary of Contents for OLIMAC Drago Series
- Page 1 USER AND & MAINTENANCE MANUAL DRAGO Corn head Rev. 01 ...
- Page 2 User and maintenance manual DRAGO Contents INTRODUCTION ................................4 INTENDED USE ................................7 IMPROPER USE................................8 GENERAL SAFETY PRECAUTIONS ..........................9 TECHNICAL CHARACTERISTICS ..........................12 SUPPLY, TRANSPORTATION, INSTALLATION AND CONNECTION TO A COMBINE HARVESTER ......... 14 WORKING STAGES ..............................22 ...
- Page 3 User and maintenance manual DRAGO This guide refers to the following machine: Name CORN HEAD FOR HARVESTING CORN Model: DRAGO Manufacturer: OLIMAC s.r.l Via Cuneo, 41 ‐ 12040 Margarita (CN) – ITALY Rev. 01 Original instructions Page 3 / 53...
- Page 4 User and maintenance manual DRAGO 1. INTRODUCTION To our customers Thank you for purchasing our OLIMAC corn head. The OLIMAC "DRAGO" series corn head is a fine piece of agricultural equipment to be installed on a combine harvester for harvesting corn. The information contained in this manual applies to any "Drago" model supplied by our company. ...
- Page 5 This manual provides information regarding the general characteristics of the piece of equipment for training personnel how to operate safely. Pay attention to the decals on the equipment signalling potential dangers and recommended behaviours for your safety (Danger ‐ Caution ‐ Caution) followed by specific instructions. Such precautions are intended to ensure the safety of the operators using the piece of equipment. Read them carefully. Make sure the safety signs on the corn‐head are clearly visible. Replace lost or damaged signs. Make sure that the new components on the equipment and its spare parts include the safety decals available from your OLIMAC dealer. Learn how to use the equipment and how to operate its controls properly. Do not let untrained personnel operate the corn head. Keep your equipment in proper working condition. Unauthorized changes or modifications to it may result in the impairment of its functions and/or safety, and affect its efficiency. ...
- Page 6 User and maintenance manual DRAGO IMPORTANT: Use original spare parts only. State the type and serial number of your corn head when ordering spare parts. Corn head serial number: The serial number is marked on a metal plate on the upper right side of the frame. We strongly recommend specifying the details indicated on the plate before ordering spare parts. SERIAL N. …………………………………………………………………………….….. TYPE OF HRVR……………………………………………………………………………... DATE OF PURCHASE…………………………………………. IMPROVEMENTS OLIMAC constantly checks and seeks to improve its products. We reserve the right to make changes in new supplies without making any changes and/or additions to the equipment previously sold. Rev. 01 Original instructions Page 6 / 53...
- Page 7 User and maintenance manual DRAGO 2. INTENDED USE The machine is designed and intended to be used after assembly onto a combine harvester for harvesting corn/sunflowers. . The machine is mechanically driven and hydraulically and electrically powered by the combine harvester During operation, the workspace is the cabin of the combine harvester. Machine operating range: Environmental (Tmax and min, etc.): machine designed to operate outdoors. Minimum Operating Temperature = 0° C Maximum Operating Temperature = 45° C Maximum humidity = 85% Maximum Storage Temperature = 70° C Minimum Storage Temperature = ‐20° C Operations envisaged: machine designed for harvesting corn/sunflowers. Operator: read and understand the user and maintenance manual. Power supplies: the equipment is powered by connecting the PTO shafts to the drive of the vehicle on which it is intended to be installed by the operator. MACHINE OPERATION The use of this machine requires connection to the drive vehicle via a PTO shaft. The operator works from the cabin of the vehicle on which the machine is mounted and from which the operator can (and must) issue all the commands needed for the intended use of the corn head. No other operators are envisaged or required in positions othe than the cabin mentioned above. Machine operation consists in "taking" the plant and dragging it downwards through a pair of stalk rollers installed on each row. The cob of corn is separated from the plant and dragged towards the bottom of the machine where the screw conveyor collects the product. OPERATOR INTERACTIONS WITH THE MACHINE: From the cabin of the combine harvester, the operator is able to perform the following tasks: ‐ folding lateral rows (depending on model) ...
- Page 8 User and maintenance manual DRAGO 3. IMPROPER USE The machine must never be used: ‐ for purposes other than those outlined in chapter 2; ‐ in potentially explosive and aggressive environments, or where concentrations of dust or oily substances suspended in the air are high; ‐ by untrained and uninformed personnel; ‐ when safety devices are unavailable, have been removed or tampered with; ‐ with any electrical jumper and/or other means that exclude utilities/parts of the machine; ‐ for operations other than those specified in this manual. Failure to comply with the instructions provided in this manual could result in damage to property and/or injury. Rev. 01 Original instructions Page 8 / 53...
- Page 9 User and maintenance manual DRAGO 4. GENERAL SAFETY INFORMATION Assuming that the "Drago" corn‐head has features characterised by a considerable level of danger, given the nature of the harvesting system, the operator and any persons within the operational range of the machine must make sure all the safety precautions described in this manual, as well as those included in the user manual of the combine harvester, are complied with. Carefully and accurately read this manual and the combine harvester user manual before operating the equipment. Make sure that everyone is fully aware of how the machine operates before starting it. ‐ Before starting the corn head, check its functionality and safety in traffic. ‐ Pay attention to the safety regulations expected to be implemented by the operator as well as the recommendations made in this manual! ‐ The warning signs affixed highlight hazardous operations. Observe them as they are intended to ensure your safety. ‐ Before starting work, get acquainted with the implementation elements and devices and how to use them! Do not wait until you are working. It will be too late! ...
- Page 10 NOISE PROTECTION Prolonged exposure to loud noises can cause hearing loss or damage. The nature of the machine and its operating principle involve a significantly high level of noise. Actual exposure will vary depending on the combine harvester and conditions of use. Notwithstanding the user’s obligation to check the actual exposure of the worker under the relative conditions of use, OLIMAC recommends the use of appropriate protective equipment, such as earmuffs or earplugs to protect against exposure to noise. ...
- Page 11 User and maintenance manual DRAGO Flames can be generated by overheating near pipes containing pressurized fluid, resulting in severe burns to the operator and those standing by. Do not use welding torches near these pipes or near other flammable materials. The pressurized pipes may be accidentally cut when heat spreads beyond the flame area. PROTECT YOURSELF AGAINST HIGH‐PRESSURE SPURTS Spurts from high‐pressure nozzles can penetrate skin and cause serious injuries. Store these spurting elements in such as way as to prevent contact with your hands or body. ...
- Page 12 User and maintenance manual DRAGO 5. TECHNICAL CHARACTERISTICS MAXIMUM WEIGHT SPACING 75 CM. FRAMES WITH MIN SPACING 55 CM. MAX 80 CM. Corn head Stalk chopper Number of rows Spacing distance (cm) Weight – kg Weight – kg 4 55 to 80 1120 80 5 55 to 80 1400 100 6 55 to 80 1685 120 8 55 to 80 2250 160 9 55 to 80 3200 200 12 55 to 80 4130 265 16 55 to 80 5500 ...
- Page 13 User and maintenance manual DRAGO CORN HEAD MEASUREMENTS CLOSED CORN HEAD ...
- Page 14 User and maintenance manual DRAGO 6. SUPPLY, TRANSPORTATION, INSTALLATION AND CONNECTION TO A COMBINE HARVESTER SUPPLY The OLIMAC corn head is supplied with fixed supports installed below the frame for standing it on the ground during operations, storage or transport. For space reasons, a special stand can be provided to allow storage in an upright position and easy access for the adjustment and the lubrication of the corn head. ...
- Page 15 User and maintenance manual DRAGO Use only the coupling points provided for hoisting the device. HARD PINS Use ropes and/or harnesses appropriate to the weight to be lifted and check their efficiency before use. DANGER OF CRUSHING AND FALLING OF SUSPENDED LOADS: take all precautions required by the applicable regulations and the instructions provided in this manual. TRANSPORT During transport operations using trucks, the corn head must rest on its supports or on a suitable transport rack to keep it vertical. The user must guarantee the stability of the equipment during all phases. For this purpose, it is mandatory to secure the machine with a rope passing through the holes in the drawbar. Loading and Unloading. The corn head must be harnessed in the appropriate coupling points as shown in the spare parts catalogue. To balance the load, secure two ropes on top of the external frame. ...
- Page 16 User and maintenance manual DRAGO Caution: the operator must perform all loading and unloading activities safely. there must be no one within the range of action of the crane. transport must be carried out using suitable devices. before lifting, check the condition of the ropes and the connections fastened to the machine. Moving a corn head attached to the front of the combine harvester: ‐ make sure that the safety signs and lights mounted on the corn head and on the combine harvester are efficient and that the reflecting materials are clean and visible. Replace or repair any damaged or worn parts; ‐ whenever not provided for by the highway code, during the movement of the combine harvester equipped with a corn head, make sure that an accompanying vehicle drives 300 m ahead of the vehicle to signal the presence of the "oversize load"; ‐ the driving speed must be appropriate to the traffic and/or potential hazards, always in compliance with all road traffic regulations; ‐ avoid any behaviour that might be an obstacle or danger to other vehicles, avoiding the creation of ...
- Page 17 User and maintenance manual DRAGO MOUNTING THE CORN HEAD ON A COMBINE HARVESTER IMPORTANT: before mounting the corn head on the combine harvester, check the efficiency of all the moving parts and the hoisting equipment, particularly the tyre load, the brake system, the hydraulic hoisting system and the load balance to ensure the efficiency of the steering system mounted on the rear axle. (20% of the total mass must be shifted towards the rear axle). Couple the corn head to the combine harvester on a flat surface to verify the correct tilt angle. Carefully clean the adapter and the connection on the coupling points in order to secure coupling. ...
- Page 18 User and maintenance manual DRAGO After making sure that the area is clear from people: ‐ start the combine harvester and cautiously move the feeding pipe towards the corn head coupling point; ‐ lower the pipe so that it is a few centimetres below the head support bar; ‐ position the combine harvester so that the pipe is centred over the corn head opening and move the pipe forward until it couples completely with the corn head; ‐ slowly raise the pipe until the corn‐head is completely off the ground (a few centimetres). If the coupling is not correct, lower the pipe back to the ground and lift it again. This should correct any misalignment. Before lifting the corn head completely, make sure that the adapter is properly attached to the head. Secure the lower hooks to the coupling point only after making sure that the lifting operations can be performed safely. Then connect the universal joints and the hydraulic and electrical parts. DANGER MOVING PARTS AND CRUSHING During installation, no one must be allowed to stand between the corn head and the combine harvester. ...
- Page 19 User and maintenance manual DRAGO Always turn off the engine, engage the hand brake, remove the ignition key and set the pipe safety lock in position on the elevator cylinder before working under the corn‐head or the feeder. Failure to engage the safety lock may result in injuries or death. Secure the lower pins between the corn head and the adapter so that the machine is fully locked into the adapter. Failure to comply with this instruction can result in the detachment of the corn head and cause it to fall. HYDRAULIC CONNECTION (for folding heads only): The two hydraulic pipes for the forward and backward adjustment of the wheat ‐bar reel, mounted on the folding corn head, allow the folding of the lateral rows. Before folding the lateral rows for road transport, clean the upper beam of the corn head to allow correct coupling. IMPORTANT Press the hydraulic command as the corn head opens up, before starting work in the field, to allow the total lateral compression of the pistons. Failure to do this can cause a misalignment of the support of the screw conveyor. The folding corn heads must be stopped before being folded. RISK OF CRUSHING: the folding of the lateral rows must be operated from the cabin of the combine harvester only, only after ensuring that no one is standing within the danger zone. ...
- Page 20 User and maintenance manual DRAGO ELECTROCUTION RISK: regularly check the conformity and integrity of the electrical insulation. UNIVERSAL JOINT Secure the PTO shaft first to the corn head and then to the lift pipe shaft, making sure that the pin of the universal joint couples with the shaft groove. DANGER MOVING PARTS: the mechanical transmission must not be powered in the absence of suitable protections. Regularly check the integrity and conformity of the drive shafts and their guards. Rev. 01 ...
- Page 21 User and maintenance manual DRAGO REMOVAL OF THE CORN HEAD FROM THE COMBINE HARVESTER To detach the corn head from the combine harvester, lift the head completely and connect the safety lock of pipe 1. Lock 1 Always turn off the engine, engage the hand brake, remove the ignition key and set the feeder safety lock in position on the elevator cylinder before working under the corn head or the pipe. Failure to connect the security locks can result in injury or death. Disconnecting the universal joint: Remove the universal joint from the side of the lift pipe and place on the special support. Disconnecting the power supply: ...
- Page 22 User and maintenance manual DRAGO 7. WORKING PHASES BEFORE STARTING THE FIELD WORK Run the following checks before working on the field 1) Make sure that the parts coupling the corn head to the combine harvester are NOT worn nor corroded; 2) Clean the coupling parts; 3) Perform lubrication operations (see the table of lubricants); 4) Run the checks on the main machine (combine harvester) as required by the manufacturer; 5) Check the tightening of nuts and bolts and the efficiency of the guards and shields. Always turn off the engine, engage the hand brake, remove the ignition key and set the feeder safety lock in position on the lifting cylinder before working under the corn head or the pipe. Failure to connect the feeder safety lock can cause injury or death. After the corn head has been assembled and all the checks are performed, the corn head is ready to be used in the field. Make sure that all safety guards and shields are in place and that they are properly secured. Make sure that the total mass of the combine harvester and the corn head is properly distributed on the axles of the machine. Starting harvesting 1) Place the corn head as close as possible to the harvesting line and the ground. For the folding model: ...
- Page 23 User and maintenance manual DRAGO Adjustment from the operator's cabin: The opening and closing of the deck plates with the electrical adjustment system is to be performed using the relevant electrical control in the cabin and while the harvester is functioning. The harvesting height is adjustable using the hydraulic control of the combine harvester feeder pipe (see the user and maintenance manual of the combine harvester) OPERATION OF THE CORN HEAD The divider noses (1) are located between the harvesting rows which open and invite the rows of the corn plants into the harvesting system. The stalk rollers (2) grasp the stalk of the corn plant and pull it down, passing it between two plates placed above the stalk rollers, which allow the plant to pass through the lower part of the corn head and retain the cobs of corn above the plates. When the cob reaches and rests on top of the deck plates, the gathering chains (3) convey the cobs with a rotating motion into the central feeder (4) that carries the yield into the conveyor pipe of the combine harvester. ...
- Page 24 User and maintenance manual DRAGO CORN HEAD ADJUSTMENTS After going round the field a few times, check the functionality of the device; in the event of anomalies, read the Troubleshooting ‐ Adjustments chapter. DRIVE AND OPERATE WITH CAUTION: Drive carefully in order to keep the head centred with respect to the rows. Do not force the corn head or the combine harvester and avoid overloading the elements of the main power supply to prevent breakage. Introduce the corn head into the field at a low speed, then increase the ...
- Page 25 User and maintenance manual DRAGO The deck pLate may be adjusted on three different levels: 1‐minimum opening at rest, 8‐10 mm (18‐22 mm recommended) 2‐maximum opening when working, 45‐50 mm (35‐38 mm recommended) 3‐working pressure, 0‐35 mm (25‐30 mm recommended) BEFORE ADJUSTING: always turn off the engine, engage the hand brake, remove the ignition key and set the feeder safety lock in position on the lifting cylinder, before working under the corn head or the channel. Failure to connect the feeder safety lock can result in injury or death. In the event of clogging of some of the harvesting parts, the operator must perform the following operations: ‐ reverse the direction of the main machine and move it by a few metres; ‐ rotate the harvesting parts in order to unload the excess product; ‐ if manual intervention is required, the operator must place the machine on a flat surface, turn off the engine, engage the emergency stop, put on gloves and operate on theparts that are clogged. In the event of mechanical failure, the drive shaft must be disconnected before performing any repair. Rev. 01 Original instructions Page 25 / 53...
- Page 26 User and maintenance manual DRAGO 8. LUBRICATION LUBRICATION IMPORTANT ‐ Lubricate the grease point as described in the work programme. Failure to follow these instructions can result in a shorter life of the component. ...
- Page 27 DRAGO Whenever possible, keep lubricants and containers in areas protected from dust, fuels and other contaminants. Store the containers in such a way as to prevent the accumulation of water and dust. Make sure that each container is properly labelled to identify its content. Properly dispose of the containers and the residual lubricant at the dedicated collection points. IMPORTANT: always use original OLIMAC spare parts. LUBRICATION PROGRAMME The following lubrication programme is recommended under normal harvesting conditions. In severe harvesting and operational conditions, the programme must be implemented more frequently MAXIMUM TIME INTERVAL ...
- Page 28 User and maintenance manual DRAGO Lubricate every 8‐10 hours of use with MOBIL EPO grease. Pump the grease into the greaser until it comes out of the gaskets clean. IMPORTANT: halve the lubrication times indicated in the table if harvesting flattened corn plants. Greasing can be difficult in the first few days of corn head use as the gaskets are very tight. Greasing will be easier if carried out after a few minutes of operation. Lubrication Lubrication point point 2) Gathering chain tensioner Lubricate every 250 hours of operation or at the end of the season with MOBIL EPO grease. Pump the grease into the greaser until it comes out from the front of the support. Lubrication point ...
- Page 29 User and maintenance manual DRAGO 3) Top chain gear Lubricate every 50 hours of operation with MOBIL EPO grease. Two doses into the greaser will be enough to properly lubricate the upper bearing of the gearbox. Lubrication point 4) Deck plate adjustment piston Lubricate every 250 hours of operation or at the end of the season with MOBIL EPO grease. Fill the inside of the piston until the grease comes out of the drainage hole. Lubrication point 5) Gathering chains Lubricate the gathering chains with SAE 30 oil every 50 hours of operation. Lubricate also at the beginning and the end of the harvesting session. Note: ...
- Page 30 User and maintenance manual DRAGO Lubrication Lubrication point point 6) PTO drive shaft (cardan joint) Every 50 hours of use, lubricate the U‐joints, the plastic bearings of the guards and the telescopic sliding part of the PTO drive shaft with MOBIL EPO grease. Make sure that the telescopic sliding part of the drive shaft is free to move. Lubrication point Rev. 01 Original instructions Page 30 / 53...
- Page 31 User and maintenance manual DRAGO 7) Slip clutches Lubricate every 50 hours of operation or at the end of the season with MOBIL EPO grease. Two doses will be sufficient to lubricate each clutch. Note: excessive lubrication can result in improper clutch operation. On the contrary, a lack of lubrication will result in the clutch "freezing" and not working properly. Lubrication point 8) Unit gearbox Every 50 hours of operation check whether it is necessary to top up with MOBIL EPO grease. Position the gearbox horizontally before checking the level. The maximum content is 4.5 kg. The level of lubricant inside the gearbox is checked through the oil level plug and must be between the minimum and maximum level lines. Lubrication point ...
- Page 32 User and maintenance manual DRAGO 9) Intermediate gearbox Every 50 hours of operation, check whether topping up with Mobil GEAR SHC 460 is necessary. Position the box horizontally before checking the level. The maximum content is 0.4 kg. The amount of lubricant inside the gearbox is checked through the oil level plug; once unscrewed, the oil should be clearly visible. Lubrication point 10) Unit drive gearbox The main drive chain of the unit is located inside the first transmission gearbox. Every 50 hours, check the plug (1) and, keeping the corn head on the ground, make sure that the oil reaches the level of the inlet used for topping up. Top up with oils specifically for gears. The chain box can hold approximately 5.5 litres of oil. Lubrication point Rev. 01 Original instructions Page 32 / 53...
- Page 33 User and maintenance manual DRAGO 11) Folding frame greasers (folding models only) Lubricate every 250 hours of operation or at the end of the season with MOBIL EPO grease. Top up until the grease comes out. Lubrication point Lubrication point IF THE REQUIRED LUBRICATION IS NOT PERFORMED ON YOUR EQUIPMENT IN COMPLIANCE WITH THE SPECIFICATIONS IT MAY BREAK OR ENDURE ANOMALOUS WEAR. Rev. 01 Original instructions Page 33 / 53...
- Page 34 User and maintenance manual DRAGO 9. MAINTENANCE Failure to perform the specified maintenance can result in inefficient use of the corn head and a consequent waste of time. The recommended maintenance intervals refer to average working conditions. Perform maintenance more frequently when working with the combine harvester in difficult conditions, due to external factors such as the weather or the type of field harvested. DANGER: before carrying out any maintenance work, secure the machine performing the following operations: ‐ always turn off the engine, ‐ engage handbrake, ‐ remove the ignition key and engage the pipe safety lock in the position on the elevator cylinder, ‐ hang a sign reading "DO NOT USE" on the cabin of the combine harvester. Failure to engage the safety lock may result in injuries or death. All maintenance operations are to be performed when the machine is disconnected from every source of power and when all the moving parts are idle. Use suitable PPE for each of the operations. Maintenance is divided into two types: 9.1 MAINTENANCE DURING THE WORKING SEASON DAILY MAINTENANCE DURING USE Performing checks carefully before using the corn head, preferably on a daily basis, prevents breakdowns and delays in the harvesting processes. Perform the following checks and adjustments: 1. lubricate the corn head according to the instructions indicated in the "Lubrication" section of this manual. Under critical conditions, reduce lubrication intervals; ...
- Page 35 User and maintenance manual DRAGO WEEKLY MAINTENANCE or EVERY 50 HOURS OF USE. 1‐ Check on the main chain tension. 2‐ Check on the gathering chain tension. 3‐ Check on the self‐tensioning of the screw conveyor chain. 9.2 MAINTENANCE AT THE END OF THE WORK SEASON: DANGER: before carrying out any maintenance work, secure the machine following these steps: ‐ always turn off the engine, ‐ engage the handbrake, ‐ remove the ignition key and set the channel safety lock in position on the elevator cylinder, ‐ hang a "DO NOT USE" sign on the operator's cabin on the combine harvester. Failure to engage the safety lock may result in injuries or death. All operations are to be performed when the machine is disconnected from every source of power and when all the moving parts are idle. Use suitable PPE for each of the operations. IMPORTANT: do not use high‐pressure water jets directly on the bearings or any other element that can easily be affected by infiltrations for cleaning purposes. High‐pressure water can pass through the seals and cause damage. Dry these areas and, after lubricating them, run the equipment for a few minutes. MAINTENANCE SCHEDULE AND PLANNED ADJUSTMENTS 1.
- Page 36 User and maintenance manual DRAGO REMOVING OR REPLACING SHELDS Central shield: A) Fold the nose over the shield. B) Release the shield locking system. C) Raise the shieldand pull it towards yourself to remove it from the corn head. DANGER: be careful of sharp edges and sharp components. While raising the shield, pay attention to the risk of crushing. Use appropriate PPE (gloves and shoes). Perform manual handling with a colleague to avoid overloading. Handle the nose with care. Rev. 01 Original instructions Page 36 / 53...
- Page 37 User and maintenance manual DRAGO Side shield A) Fold the nose over the shield. B) Remove all the screws marked with an arrow. Guard screws Guard screws C) Lift the side shield to secure its support, making sure the screw enters the lower section. Failure to follow this procedure may result in the sudden dropping of the side shield, causing injury. 2) Clean any external bodies from the corn head. 3) Check the wear of the gathering chains and restore their tension. The chain must be replaced when the front chain support slot of the gathering chains pops up. Prompt replacement will ensure minimum pinion wear. Rev. 01 Original instructions Page 37 / 53...
- Page 38 User and maintenance manual DRAGO To replace the gathering chain, proceed as follows: 1. Unscrew counter‐nut 1. 2. Completely remove screw 2. 3. Replace it, installing the synchronized chains. 4. Tighten screw 2 until the front gear 3 enters support 4, with a 5‐8 mm stroke before the complete lock. 5. Once the adjustment is complete, tighten counter‐nut 1. IMPORTANT: the gathering chains should be positioned so that the teeth of one chain fit into the space between the teeth of the opposite chain. If the teeth touch each other they may cause breakage or malfunction. To install it correctly, loosen the chain and slide on the drive gearwheel on the gearbox until the tabs (teeth) of the chains fit into the spaces between the teeth of the opposite chains. ...
- Page 39 User and maintenance manual DRAGO Replacing the deck plates 1. Remove all the shields and the gathering chains. 2. Remove screw 1 3. Remove the deck plates and replace them with the new ones. Adjusting the deck plates. To properly adjust the deck plates, make sure that the level reaches 30/40 mm, as shown in the image. If this distance is not available, open or close the front of the row group. a. The deck plates must have an opening between 3 and 5 mm wider at the back than at the front. 35 - 40 mm 30 - 25 mm b. The minimum opening (at rest) is 10/25mm (18‐22 mm recommended) and it may be modified by turning the diamond‐shaped device located on top of the plate lever. c. The maximum opening (when workingis 30/50 mm (35‐38 mm recommended) and may be modified by turning the diamond‐shaped device located at the bottom of the plate lever. ...
- Page 40 User and maintenance manual DRAGO IMPORTANT: BEFORE MAKING ANY ADJUSTMENTS OTHER THAN THOSE SPECIFIED IN THE USER & MAINTENANCE MANUAL PROVIDED UPON DELIVERY OF THE MACHINE, CONTACT YOUR OLIMAC DEALER. Check the wear of the knives and the proper timing of the stalk roller. To adjust the stalk roller knife, make sure the height is set at 260 mm at the point shown in the picture. For a correct grip of the stalk, the roller knives must be set as follows: at the front (where the stalk enters), the distance between the opposite blades must be between 1.5‐2.5 mm and, at the rear (near the gearbox), the distance must be between 0‐0.5 mm. Make sure that the blades are always correctly phased. 260 mm In normal working conditions, the adjustment of the stalk roller knife should usually be carried out every 600/800 hectares. The wear of the knife is especially visible in humid conditions (morning or evening) and you will notice a “dirty” harvest, with foliage and stalks clogging the main harvester feeder, or the excessive loss of small corn cobs through the deck plates. A programmed adjustment (600/800 hectares) will result in even wear of the knife over its entire length, without requiring an early replacement. Rev. 01 Original instructions Page 40 / 53...
- Page 41 User and maintenance manual DRAGO 7) Check the adjustment of the stalk roller weed knives. The weed knives (1) prevent weeds and rubbish from wrapping around the rollers (2). They should be installed as close as possible to the stalk rollers without touching them. Loosen the bolts (3) and set each knife at a maximum of 1.5 mm from the stalk roller knife. Tighten the bolts according to the specifications. 8) Check the wear of the adjustable stalk chopper bearings. To check the wear of the stalk chopper bearings, hold the knife support and try to "flip it". If even the slightest movement is detected, adjustment is necessary: ‐ Unscrew the grease outlet plug (1). ‐ Unscrew the nut holding the knife support (2). ‐...
- Page 42 User and maintenance manual DRAGO 9) Check the wear of the stalk chopper knives. The stalk chopper knife can be used on both sides. When you notice wear of about 15 mm at the end of the knife, rotate it by 180° to optimise the wear on the other side of the blade. IMPORTANT: THE STALK CHOPPER KNIVES OPERATE AT ABOUT 15 CM FROM THE GROUND, ARE SUBJECT TO COLLISIONS WITH FOREIGN BODIES AND ARE THEREFORE SUBJECT TO SUDDEN BREAKAGES. PROMPTLY REPLACE THE BROKEN PART TO AVOID VIBRATIONS WHICH WOULD CAUSE THE BREAKAGE OF THE STALK CHOPPER BOX. Rev. 01 Original instructions Page 42 / 53...
- Page 43 User and maintenance manual DRAGO To replace the component: ‐ Loosen the nut (1). ‐ Pull the knife (2) from its support (3). ‐ If the bushing inside is oval (4), replace it. ‐ If the nut protection is worn (5), replace it. ‐ Insert the knife when the inner bushing is mounted. ‐ Tighten the nut (1) with a rotational momentum of 86 Nm 14.3 mm ...
- Page 44 User and maintenance manual DRAGO To restore tension, reset the extension spring to L = 105 mm. 11) Check the unit activation box chain wear, reset its tension. The chain should be replaced when the measurement alonga straight, tight line of ten pins is greater than 236 mm; immediate replacement may guarantee minimum pinion wear. To restore tension: ‐ Remove the inspection cover (1). ‐ Unscrew the nut (2) of the tensioning device. ...
- Page 45 User and maintenance manual DRAGO Coupling the chain. When the chain is secured, the closure at the end of the lock spring must be placed in the direction of travel of the chain, as shown in the figure. Rev. 01 Original instructions Page 45 / 53...
- Page 46 Increase the speed of the corn head by operating on the drive ring gears so that the stalk never ends up inside the gearbox Worn roller knives Move the blades closer to each other, as indicated in chapter 8 of this manual Row unit open Close the row unit, checking the CORN CUT BY THE ROLLERS reference height in chapter 8 of this manual Worn deck plates Replace them, as reported in Chapter 8 of this manual Deck plates not properly Perform the basic adjustments as adjusted indicated in chapter 8 of this manual Before changing the settings, please contact your Olimac dealer LOSS OF GRAIN THROUGH Worn roller knives Move the blades closer to each other, as THE ROLLERS indicated in chapter 8 of this manual Excessive speed of the corn Reduce the speed of the corn head, head operating on the drive ring gears so that the stalk disappears through the rollers LOSS OF GRAIN THROUGH before entering the gearbox THE ROLLERS Low speed of the corn head Increase the speed of the corn‐head, operating on the drive ring gears so that the stalk never ends up inside the gearbox Worn roller knives ...
- Page 47 User and maintenance manual DRAGO SYMPTOM PROBLEM SOLUTION Slack harvesting chains Check the tension of the gathering FRONT CLOGGING chains as indicated in chapter 8 of this manual Unsuitable speed Check the speed of EXCESSIVELY HIGH the corn head PERCENTAGE OF STALKS IN Worn roller knives Move the blades closer to each other, as THE MACHINE indicated in chapter 8 of this manual Stalk chopping system Caution, power consumption increases when the stalk chopper is installed. Corn head tilt angle too low Adjust the tilt angle as indicated in POWER INCREASE FOR chapter 5 of this manual OPERATION OF THE CORN Worn roller knives Move the blades closer to each other, as HEAD indicated in chapter 8 of this manual Worn chopper blades Replace the blades of the stalk chopper as indicated in chapter 8 of this manual Corn head tilt angle too high Adjust the tilt angle as indicated in chapter 5 of this manual INSUFFICIENT STALK Low speed of the corn head Increase the speed of the corn head, ...
- Page 48 This indicates a specific type of behaviour to avoid, which could be dangerous and, unless avoided, may result in death or serious injury. The colour associated with WARNING is ORANGE. CAUTION This indicates a recommended behaviour which, if ignored, could result in a situation of danger. It is also used to alert against unsafe practices. The colour associated with CAUTION is YELLOW. The safety decals shown below must be placed on your equipment in the area indicated. They are intended to contribute to your personal safety and that of your collaborators. Please take this manual, walk around your machine and get acquainted with the contents and the position of the components of the device. Look over these decals and the instructions in this manual with the operator of your machine. Keep the decals clear and legible. Should decals be missing from the specific parts, you can get new ones from your OLIMAC dealer. FRONT VIEW OF THE MACHINE REAR VIEW OF THE MACHINE Rev. 01 Original instructions ...
- Page 49 User and maintenance manual DRAGO THE DECALS ARE AS FOLLOWS: No. POSITION STICKER The "DANGER" decal 1 is located on the inner surface of the protections. DANGER – Shield missing Do not operate. 1 The "DANGER" decal 2 is located on the outer protection. DANGER – Rotating driveline – Contact can cause death ‐ Keep away! 2 Do not operate without: all driveline, tractor and equipment shields in place drivelines securely attached at both ends driveline shield that turn freely on driveline Four no. 3 "DANGER" decals are placed on the front and rear parts of the corn head frame, on the side of ...
- Page 50 Failure to comply will result in death folding or serious injury. models only 9 Placed under the feeder and at the side of the chain European box. fixed models only 10 Placed on the back and the side of the corn head. CAUTION!!! In the event of a failure, immediately contact a workshop, an authorized dealer or OLIMAC and do not use the machine until permission has been granted by trained personnel. CAUTION!!! altering, tampering with or bypassing the safety devices installed on the machine is strictly forbidden. Rev. 01 Original instructions Page 50 / 53...
- Page 51 User and maintenance manual DRAGO 12. LIST OF REFERENCE REGULATIONS This machine was manufactured in compliance with Machinery directive 2006/42/EC. 13. DISPOSAL Before dismantling the machine, it must be disconnected from the combine harvester. The materials and components of the machine are not harmful, nor do they pose a danger of fire or explosion, and the dismantling of the machine can be carried out in compliance with normal dismantling procedures. Caution! The oil contained in the lubricant trays is highly pollutant so it must not be discarded in the environment or disposed of in unsuitable areas; the procedures and regulations provided for by the law regarding waste disposal must be complied with. Lubricating oil pan ...
- Page 52 User and maintenance manual DRAGO 14. COPY OF THE CE DECLARATION OF CONFORMITY A copy of the CE declaration of conformity issued by the manufacturer follows. Rev. 01 Original instructions Page 52 / 53...