SAFETY/DECALS CONTENTS SAFETY / DECALS 1. Points for Oil Supply, Lubrication and ........ii Water supply ............39 SAFETY PRECAUTIONS ......... ii 2. Oil Supply, Lubrication and Water supply List ..40 DECALS ..............ix 3. Inspection and Replacement of Engine Oil ..... 41 4.
SAFETY/DECALS SAFETY PRECAUTIONS REMEMBER: "SAFETY" IS ONLY A WORD UNTIL IT IS PUT INTO PRACTICE Improper handling of the tractor could cause an accident. Prior to the operation of the tractor, be sure to read this Manual carefully and have a through understanding of all of the contents. In particular, the instructions given in this section entitled "Safety Precautions"...
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SAFETY/DECALS 3. Cover the PTO shaft with a guard when 7. Hydraulic oil or fuel escaping under not using. pressure can penetrate the skin, causing serious injury. Before disconnecting oil or 4. Be sure to engage the brake and lower fuel lines, be sure to relieve all pressure.
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SAFETY/DECALS 9. Before starting any work on electrical d) If the diluted sulphric acid is spilled: Wash equipment or work that may cause you away with a lot of water or neutralize with to touch the electrical parts accidentally, slacked lime or bicarbonate of soda. first disconnect the battery cables.
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SAFETY/DECALS C. OPERATION OF THE TRACTOR Before driving the tractor, follow these rules: C-1. Before starting and Driving the Tractor Operate the tractor only when seated properly in operator’s seat and keep a firm grip on the steering wheel at all times. Never attempt to perform any operation of the tractor from anywhere else, on or off the tractor.
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SAFETY/DECALS Slow down when operating the tractor on When starting the engine in an enclosed rough ground. area or building, ensure proper ventilation by opening the doors and/or windows to prevent carbon monoxide inhalation. Mount the extension exhaust pipe on the tractor which has a cabin.
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SAFETY/DECALS C-3. Traveling on Roads and Streets C-4. Steering and Turning the Tractor For traveling on roads and streets, be Slow down your tractor and disengage the sure to lock both brake pedals together differential lock before going into a turn, before driving to prevent either brake from being careful to prevent any attachments acting independently.
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SAFETY/DECALS When operating the tractor on either a Avoid operating the tractor on an extreme steep slope or flat ground, be sure not to slope that appears hazardous, when suddenly steer, brake, clutch or operate forced to operate on such slope, use extra attachments.
SAFETY/DECALS DECALS Decals stating how to handle each driving device in the tractor safely are installed near each driving device. Read and observe the instructions shown on the decals. If the decals are illegible due to damage, etc. or if parts with the decals adhered are changed, be sure to order new decals from the seller and install them to the new parts.
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SAFETY/DECALS ● ● MN00129_B Decals list Part No. Part Name 1904 2746 000 Label Warning 1944 2784 000 Label Battery 1944 2783 000 Label Warning 1944 2786 000 Label Warning...
PRIOR TO USE 1. Warranty and Service - This machine is attached with a Limited Warranty Description. Please read it carefully prior to use. - Contact the dealer for service and purchase of any parts for this machine. Please inform the model name, serial number, and engine number when contacting.
Some parts may be changed for purpose of quality and performance improvement and safety reasons. In case any changes are made, some parts of this manual, pictures, and drawings may not match the actual product. Model Type Mitsubishi GX50A Specification Power steering Steering column tilt lever...
PRIOR TO USE 3. Terms and Glossary Terms such as “front and rear”, “left and right”, “clockwise”, and “counterclockwise” used in this instruction manual are based on the following rule. Turn Right (Clockwise) Turn Left (Counterclockwise) Right Rear Front Left MN00066_B Definition of Signs Items to be followed are indicated with the following signs in this instruction manual.
FUNCTIONS OF EACH PART FUNCTIONS OF EACH PART 1. Names of each part Turn Signal Indicator (Right) Engine Control Lever Muffler (Throttle Lever) Position Control Lever Alternator Parking Brake Lever Headlight Rear PTO Shift Lever Flow Control Grip Accelerator Pedal Brake Pedal (Left) (Right) MN00067_B Steering Wheel...
FUNCTIONS OF EACH PART 2. Operating Controls 1. Control Switches and Instruments Meter Panel Shuttle Shift Lever Engine Control Lever (Throttle Lever) Clutch Pedal Brake Pedal (Left) (Right) MN00003_A Engine Glow Plug Indicator Turn Signal Lamps Fuel Filter Lamp Engine Oil Pressure Indicator Battery Charge Indicator Engine Coolant Temperature Gauge...
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FUNCTIONS OF EACH PART Starter Key Switch Engine Glow Plug Indicator ( WARNING For injury accident prevention When the key is turned to < >, the indicator is lit to indicate, the engine is in warm-up. - Keep the key removed when not using Tachometer the tractor.
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FUNCTIONS OF EACH PART Charge Indicator ( Combination Switch It indicates an error in battery in charging during (1) Headlight Switch (2) Horn Switch engine operation. It is normal that the lamp is lit with the key set to < >...
FUNCTIONS OF EACH PART 2. Levers, Pedals, and Seats Engine Speed Control Lever (Throttle Lever) Accelerator Pedal Brake Pedal Rear PTO Shift Lever Parking Brake Lever Hood Differential Lock Pedal Steering Column Tilt Lever Sub Shift Lever Side Cover MFD Control Lever Steering Wheel Clutch Pedal...
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FUNCTIONS OF EACH PART Main Shift Lever Shuttle Shift Lever The main shift lever is used to shift the transmission gear into any four speed WARNING For injury accident prevention transmissions. Combined with the sub shift lever, the gear transmissions can be changed in - When shift to reverse, reduce engine sixteen speeds.
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FUNCTIONS OF EACH PART Clutch Pedal Brake Pedals The clutch must be disengaged by depress the clutch pedal when starting the engine, stopping WARNING For injury accident prevention the tractor, storing the tractor and operating the shift levers. - When traveling, entering or leaving a farm field, crossing a dike, using a step, working on slope, and equipped with a Clutch Pedal...
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FUNCTIONS OF EACH PART Parking Brake Lever MFD Control Lever Move the MFD control lever upward to engage the front drive. WARNING For injury accident prevention - When parking or stopping the tractor, lock the brake pedals on the both left and right sides to apply the parking brake lever.
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FUNCTIONS OF EACH PART Differential Lock Pedal Steering wheel WARNING WARNING For injury accident prevention For injury accident prevention - When the angle of the steering wheel - Do not drive on roads, or at high speed anywhere, with the differential lock has been changed, move the tilt lever engaged.
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FUNCTIONS OF EACH PART Side Cover Hood (1) Open the hood and fix it. Pull the grip down and unlock the hood. (2) Press the button in front of the side cover and Side Cover (Right) Side Cover (Right) pull the side cover outward. (The following procedures are the same for both sides.) Button Button...
FUNCTIONS OF EACH PART 3. Electric System (1) (A) fusing (10A) - Turn signal indicators and turn signal lamps are not lit. 1. Fuse (2) (B) fusing (10A) A fuse is provided in order to prevent accident in - Engine does not start. case there is an error in the wiring circuit.
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FUNCTIONS OF EACH PART - Fuse Replacement Fuse (for high current) WARNING For fire prevention (H) Main Fuse (H) Main Fuse - Do not use a fuse with capacity different from the one for the attached fuse. Also, do not use a wire or wrapping foil in the place of the fuse.
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FUNCTIONS OF EACH PART - Replacement of Fuse (for high current) WARNING For fire prevention - Do not use a fuse with capacity different from the one for the attached fuse (for high current). Also, do not use a wire or wrapping foil in the place of the fuse (for high current).
FUNCTIONS OF EACH PART 2. Flow Control 4. Hydraulic System WARNING For injury accident prevention 1. Operation of Control Levers - When performing maintenance, This hydraulic system is provided with a position inspection, and cleaning with the control lever. attachment lifted, stop the engine and set the flow control grip to <FIX>.
FUNCTIONS OF EACH PART NOTE 3. Power Steering - Abnormal noise at starting and the tractor stop in cold climate are caused by hard oil. WARNING For injury accident prevention Warm up the engine before operating. - When abnormal noise sounds from the - Do not stop the engine on a slope.
FUNCTIONS OF EACH PART Balance of Weight 4. Front Dozer Front Dozer WARNING For injury accident prevention A hydraulic block is located on the right side of the tractor. This block can provide an external - When operating a front dozer, attach hydraulic circuit for dozer use or other other attachment in rear side to applications.
FUNCTIONS OF EACH PART 2. PTO Cap 5. Drawbar/PTO Cap 1. Drawbar [Optional] WARNING For injury accident prevention - When not using a PTO shaft, place a WARNING For injury accident prevention PTO cap. If a PTO cap is not attached, it may cause a injury accident during - When towing, use a genuine drawbar work.
OPERATION PROCEDURE OPERATION PROCEDURE 1. Inspection before Operation WARNING For burning, fire, and injury accident prevention - Before performing maintenance, lubrication, water supply, or oil supply be sure to stop the tractor in a flat place, apply parking brake, and stop the engine. - Do not refuel when the engine is in operation or is hot.
OPERATION PROCEDURE 2. Operation Procedure - Operate the tractor only when seated properly in operator’s seat. Follow the operation procedures according to each item. - When starting the engine in an enclosed area or building, ensure proper 1. Engine Start ventilation by opening the windows and doors.
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OPERATION PROCEDURE When lamp is turned off, set the key to NOTE < >. Release the key immediately once the engine - The engine does not start if the clutch pedal is started. The key returns to < > position is pressed completely.
OPERATION PROCEDURE Depress on the brake pedal completely and 2. Starting Operation release the parking brake. Release the clutch pedal slowly and start the tractor. WARNING For injury accident prevention - When starting the tractor, release the Clutch Pedal Clutch Pedal Brake Pedal Brake Pedal clutch pedal slowly.
OPERATION PROCEDURE 3. Driving - When a heavy implement is attached, operation of steering wheel may become difficult. Attach a balance WARNING For injury accident prevention weight to maintain the balance of the vehicle. - When driving on roads and street, be - Do not drive on soft road shoulders or sure to carry a driver’s license, observe weed-ridden places.
OPERATION PROCEDURE 4. Stopping Move the engine control lever frontward to rotate the engine at low speed. WARNING For injury accident prevention Depress on the brake pedal and the clutch pedal to stop. - When parking, park on flat place. Make sure that the both brake pedals are - Use a parking brake when parking and locked together and depress on the brake...
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OPERATION PROCEDURE Turn the flow control grip to the <FASTER> direction to lower the implement. <SLOWER> <SLOWER> <FIX> <FIX> <FASTER> <FASTER> Rear PTO Shift Lever Rear PTO Shift Lever Flow Control Grip Flow Control Grip MN00051_A Set the key to < >.
OPERATION PROCEDURE Specifications for Step 5. Loading and Unloading Four times higher or more than the Length height of the loading platform of vehicle Width More than 60 cm WARNING For injury accident prevention Quantity - Load and unload with presence and 1 step is resistant enough for weight induction of assistant.
OPERATION PROCEDURE Align the tires of tractor and the step and lift 6. Driving on Slope the implement at maximum. WARNING For injury accident prevention - Make sure that the both brake pedals are locked together and the differential lock is unlocked before driving on slope.
WORKING PROCEDURE Set the rear PTO shift lever to the “<N> 1. Field Work (Neutral)” and the MFD control lever to the <IN>. 1. Entry/Exit of Farm Field WARNING For injury accident prevention Differential Lock - Make sure that the both brake pedals are locked together and the differential lock is unlocked before entering or leaving farm fields and crossing ridge.
WORKING PROCEDURE 2. Appropriate Speed for Work The driving speed of the tractor and the revolution speed of the PTO vary according to a type of work and condition of farm field. Operate the tractor at safe and optimum speed. Driving Speed MN00059_A Rear PTO Revolution Speed (At engine rated revolution)
WORKING PROCEDURE NOTE 3. Operation of Differential Lock - Before setting the differential lock <ON>, lower the engine revolution. WARNING For injury accident prevention - When the revolution difference between both wheels is large, step on the clutch pedal - Do not use the differential lock when once and operate.
WORKING PROCEDURE 2. Operation of Equipment Required for Work 1. Tread Adjustment WARNING For injury accident prevention - Take a wider tread for works such as towing or on slope. If not followed, it may cause an accident by falling over. - Drive at the specified tread on public roads and streets.
WORKING PROCEDURE 2. Implements Handle the implement following the below listed items. WARNING For injury accident prevention - Attach or remove the implement on flat place according to the instruction manual. - Before attaching, removing, or adjusting the implement, apply parking brake, stop the engine, and set the rear PTO shift lever to the “<N>...
MAINTENANCE The tractor is adjusted before shipment; however, wearing and slacking are caused along its use. Perform inspection and readjustment periodically and replace parts which exceeded its service limit to maintain the tractor in optimum condition at all time. WARNING For burn, fire and injury accident prevention - When cleaning and performing inspection, adjustment, and maintenance, park the tractor on wide flat place, apply parking brake, lower the implement, and stop the engine to stop the movement of all parts...
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MAINTENANCE MAINTENANCE NOTE - Contact the dealer when disposing any machinery or parts. - For waste disposal Dampening or incineration of wastes causes environmental pollution and may be subjected to punishment according to the law. - When draining waste fluid from the equipment, use a drip pan. - Do not drain on the ground, river, lake, or ocean.
MAINTENANCE 2. Oil Supply, Lubrication and Water supply 1. Points for Oil Supply, Lubrication and Water supply All points for oil supply, lubrication, and water supply are supplied with oil, grease, and coolant at the time of shipment; however, check them before use. NOTE - Supply specified oil for specified amount at each point.
MAINTENANCE 2. Oil Supply, Lubrication and Water supply List Classification Ref. Point Type Amount (L) Cycle of Replacement API service SAE viscosity Page Inspect before work and replace Higher Engine crank case Engine oil 15W-40 every 100 hrs. (Replace after than CD 50 hrs.
MAINTENANCE 3. Inspection and Replacement of Engine Oil Fill Port Fill Port WARNING For injury accident prevention - When inspecting or replacing the engine oil, park the tractor on flat place and stop the engine. - The oil level gauge and the tail pipe are provided nearby.
MAINTENANCE 4. Replacement of Engine Oil Filter 5-1. Refueling Please provide a cartridge type engine oil filter. WARNING For fire prevention [First time] Replace after operation for 50 hours. - Keep clear of fire when refueling. [Second time and on] The fuel may catch fire, causing a fire.
MAINTENANCE 5-2. Cleaning of Fuel Tank 6. Replacement and Draining of Fuel Filter Remove the drain plug and clean inside the tank Pump Pump in the following cases. Oil Filter Oil Filter After running 300 hours or every two years Fuel Filter Fuel Filter Attaching Part...
MAINTENANCE 7. Air Vent Procedure NOTE - After refueling the tank, be sure to release Pump Pump air. If not, with the little air remaining, the engine can still be started. However, if the air entered into the fuel line, it may cause Air Plug Air Plug insufficient power or engine stop when load...
MAINTENANCE Replacement of Coolant 8. Maintenance of Coolant Water (1) Open the hood and remove the radiator cap. WARNING For burn prevention Radiator Cap Radiator Cap - Do not open the radiator cap during operation and immediately after stopping the engine. Hot water blows out, and it may cause a burn.
MAINTENANCE (5) Supply the coolant water to the <MAX> 9. Inspection and Replacement of Transmission Oil (upper limit) of the reserve tank. - When the coolant water is cooled, the coolant water in the reserve tank is sucked WARNING For injury prevention in, and the water level is reduced in the reserve tank;...
MAINTENANCE (2) Close the drain oil plug and supply new gear 10. Replacement of Hydraulic Pressure Oil filter oil to the upper limit of the oil level gauge. NOTE Provide a cartridge type hydraulic oil filter and replace. - Check the oil level before starting the [First time] engine.
MAINTENANCE 11. Inspection and Replacement of Front Axle Oil 12. Lubrication of Each Part Brake Link (Left and Right) WARNING For injury accident prevention - Lubricate the grease from the grease nipple - Place the tractor on flat place and stop (Illustration indicates the brake link.) the engine when inspecting and replacing the front axle oil.
MAINTENANCE 3. Cleaning of Each Part 1. Cleaning of Air Cleaner 2. Cleaning of Radiator and Radiator Screen If the air cleaner is used without cleaning, the inside of engine wears out. Also, it deteriorates WARNING For burn prevention the output. - Stop the engine and wait until the Open the hood and remove the front grille.
MAINTENANCE 4. Inspection and Adjustment of Each Part WARNING For injury prevention - Place the tractor on flat place, stop the engine, and wait until the movement of all parts stop before cleaning, inspection, and adjusting. The tractor is adjusted correctly before shipment; however, operation may result in wearing and slacking; therefore, readjust, and replace parts which exceed the limit of damage and wearing so as to be in appropriate condition.
MAINTENANCE Adjustment 3. Inspection and Adjustment of Toe-In Adjust the rod by performing the following procedure so that the remaining margin of the rod on left and right sides are equal at the CAUTION stroke end of the cylinder. (1) Make sure that there is no play for the front - Poor adjustment of toe-in causes wheel and adjust.
MAINTENANCE 4. Inspection and Adjustment of Brake Pedals WARNING For injury accident prevention - Adjust the pressing amount of the both brake pedals to be equal when adjusting. Joint Joint If the brake apply is poor or only one side of the brakes are applied, it may Locknut Locknut cause a fall over.
MAINTENANCE 5. Inspection of Tires 6. Inspection of Steering Wheel WARNING For fatal and injury accident prevention WARNING For injury prevention - Do not supply too much air in tires. If - Inspect the steering wheel for any the air pressure is too high, the tire may backlash or play.
MAINTENANCE 7. Inspection of Hoses 8. Inspection and Cleaning of Electric Wirings DANGER WARNING For fire prevention For fire prevention - Check if fuel is leaking from damages - Set the key to < > and remove the (crack, torn part, looseness of joint) of minus terminal on earth side of the the fuel hose, peeling of external battery cord when inspecting the...
MAINTENANCE Inspection 9. Inspection and Recharging of Battery (1) Open the hood. (2) Lay down the clamp (2 points) located on the grill frontward. DANGER For burn, fire and injury accident prevention - Refer to the Page 58 desciption about “Use of Booster Cable”...
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MAINTENANCE Caution for Setting Battery In/Out -1 Check for remaining capacity (battery not requiring refilling) (1) When setting the battery in or out or charging the battery with a charger, stop the engine, WARNING remove the key and set all the control switches to OFF.
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MAINTENANCE -2 Check for remaining capacity (battery requiring refilling) Check of electrolyte (battery requiring refilling) (1) There are two methods of checking the remaining capacity, measuring the ratio of the DANGER For injury accident prevention electrolyte and measuring with a battery tester. (2) When the remaining capacity is low, recharge - If the battery is used or charged with immediately.
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MAINTENANCE Use of Booster Cable Battery Recharge When the battery is discharged, and the (1) Stop the engine and remove the key before engine cannot be started, use a booster cable recharging. to start the engine powered by the battery of (2) Remove the battery from the unit.
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MAINTENANCE NOTE - Tighten each terminal completely so as not to be loose. - When placing the battery, wipe the oil around the battery case well using cloths. After placing the battery, apply grease for corrosion prevention. - Attach the rubber boots for the plus terminal of battery.
LONG-TERM STORAGE Remove the battery from the tractor and store 1. Cleaning, Washing, and Storage of Tractor in well ventilated indoor to prevent unexpected short-circuit or ignition of battery during storage. When storing the tractor with the When storing the tractor, clean stain and dirt of battery in, disconnect the minus terminal on each part completely and take the following earth side of the battery cord.
LONG-TERM STORAGE 2. Maintenance during Storage WARNING For burn, fire, and injury prevention Operate the engine for ten minutes - Diffuse the washing nozzle so as not to approximately for corrosion prevention and damage the tractor and wash it more battery recharge once a month.
TROUBLESHOOTING TROUBLESHOOTING - When an error occurs, immediately determine - In that case, inform the model type and serial the cause and take countermeasures not to number along the trouble status. worsen the status. - If a cause cannot be determined, or error repeats after adjustment, contact the distributor and have it inspected.
TROUBLESHOOTING 2. Insufficient engine output and engine stop Condition Cause (inspected part) Countermeasures Ref. page Air entry in fuel system Bleed air. Engine rotation is irregular. Fuel filter water or dust clogging Clean or replace the filter. Fuel leakage of piping Tighten clamp and replace pipes.
TROUBLESHOOTING 2. Driving and Operating Unit 1. Tractor does not start. Brake is not applied. Condition Cause (inspected part) Countermeasures Ref. page Pedal adjustment failure Adjust the play amount of pedal. Clutch slips. Wear and seizing of clutch lining Replace the clutch at service −...
APPENDIX TABLE 1. General Data TRACTOR MODEL GX50A Remarks Engine Type Water cooled 4-cycle, 4 - cylinder diesel Engine Model Mitsubishi S4Q2 Engine output(HP) Rated RPM(RPM) 2800 Number of cylinder Displacement (L) 2.505 Battery (V / Ah ) 12 / 64...
APPENDIX TABLE 2. Consumables 1. Engine MN00070_A Parts No. Parts Name Quantity Type Remarks 05910−10041 Fan belt L=1015 MD162−326 Filter assembly Element kit 34462−21040 2. Air Cleaner and Hydraulic Line MN00071_A Parts No. Parts Name Quantity Type Remarks Element 3544 0521 200 Hydraulic filter 1031 2518 000 * Inform parts name and parts number upon ordering.