1. The clutch is not working properly

（1） Clutch slippage

The reason and troubleshooting method are: ① The pedal has too little or no free travel. Adjust to the correct level. ② The end faces of the three separation levers are not on the same plane. Adjust consistently. ③ The friction lining or pressure plate end face has oil stains. Clean and eliminate the cause of oil leakage. ④ The friction lining is severely worn, burned, warped, or the rivets are exposed. Replace or repair. ⑤ The driven plate is deformed or the wheel hub spline is stuck and cannot move. Replace or repair. ⑥ The clutch spring has become soft or broken. Replace the spring.

（2） Incomplete clutch disengagement

The reason and troubleshooting method are: ① The pedal has too much free travel or the end faces of the three separation levers are not in the same plane. Adjust as appropriate. ② The driven plate steel sheet is severely warped and deformed. Repair or replace. ③ The working stroke of the clutch is too small. Adjust

（3） The clutch shakes

The reason and elimination method are: ① Poor contact of the friction surface. It can be eliminated after a period of use. ② The driven plate is warped. Adjust as appropriate. ③ The heads of the three separation levers are not on the same plane. Adjust as appropriate. ④ The front drive shaft of the transmission is not concentric with the flywheel. Repair or adjust.

（4） Double acting clutch disengages, main clutch power output shaft stops rotating

The reason and troubleshooting method is that the gap between the separation limit device between the main and auxiliary pressure plates is too small. Adjust according to regulations.

（5） Double acting clutch pedal pressed to the bottom, the power output shaft still cannot stop rotating

The reason and troubleshooting method is that the gap between the separation limit device between the main and auxiliary pressure plates is too large. Adjust according to regulations.

2. The gearbox is not working properly

（1） Unable to shift or difficult to shift

The reason and troubleshooting method are: ① The clutch cannot be completely disengaged. Adjust the clutch. ② The fork shaft is deformed, stuck or unable to move when moving. Repair or replace. ③ The wear of splines and other factors make it difficult for gears to move. Repair or replace. ④ The wear of the locking pin causes a step to get stuck, or the locking spring is too tight. Repair or replace. ⑤ Improper adjustment of chain institutions leads to operational failure. Repair or replace. ⑥ Loose or deformed fork. Tighten or calibrate. ⑦ Gear tooth surface wear, etc. Repair or replace.

（2） Automatic gear shifting

The reason and troubleshooting method are: ① The self-locking spring of the fork shaft is broken or the pressure is insufficient. Replace the spring. ② The V-shaped groove of the locking pin (ball) or fork shaft is severely worn. Repair or replace. ③ The gear teeth wear into a wedge-shaped shape. Repair or replace. ④ Excessive axial clearance of the transmission shaft or wear of the thrust washer on the shaft can cause the gear to shift on the shaft. Repair or replace. ⑤ After shifting, the main and driven gears do not mesh with the full tooth width. Pay attention to shifting gears properly when checking the shift travel or operation.

（3） There is noise or knocking sound in the gearbox

The reason and elimination method are: ① Severe wear of gears and bearings. Replace parts. ② Forks and other gear scraping. Repair or replace the shift fork, etc. ③ If the gearbox is short of oil, or the oil quality is poor or not clean, add clean lubricating oil that meets the regulations in a timely manner to an appropriate amount.

（4） Chaotic blocking

The reason and elimination method are: ① Failure of interlocking mechanism. Adjust or replace. ② The lower end of the gear lever is severely worn. Repair or replace. ③ Improper operation. Pay attention to correct operation.

3. The rear axle is not working properly

（1） There is an abnormal noise on the rear axle

The reason and troubleshooting method are: ① Incorrect meshing of the central transmission gear pair. Adjust the meshing marks and side clearances according to regulations. ② The bearing clearance is too large or damaged. Adjust or replace. ③ The planetary gear or gasket is severely worn. Replace the gear. ④ The Z final drive gear or bearing is worn or damaged. replace

（2） Rear axle overheating

The reasons and troubleshooting methods are: ① Insufficient or deteriorated lubricating oil. Add to the specified oil level or replace with new oil. ② The bearing pre tension is too large or the clearance is too small. Readjust. ③ The clearance between gear teeth is too small. Readjust.

（3） The differential lock handle cannot return to its original position

The reason and troubleshooting method are: ① Failure of the differential lock return spring. replace ② The differential lock push rod is stuck. Disassemble, clean and repair.

（4） The tracked tractor is not turning properly

a. Steering clutch slipping

The reason and troubleshooting method are: ① Oil stains on the friction plate cause the steering clutch to slip. Clean and eliminate the cause of oil contamination. ② Friction plate wear reduces or eliminates the free travel of the steering rod. Adjust the free travel of the steering rod or replace the friction plate.

b. Difficulty or inability to turn

The reason and elimination method are: ① The free stroke of the steering rod is too large. Adjust to the specified value. ② The master and slave plates are warped. Repair or replace.

c. Cannot make sharp turns

The reason and troubleshooting method are: ① The steering brake band is stained with oil, clean it. Eliminate the cause of oil contamination. ② The brake band clearance is too large. Adjust as required. ③ Brake band wear. Replace the friction lining.

4. Abnormal operation of walking and steering systems

（1） Early wear of front wheels

The reason and elimination method are: ① The front beam adjustment does not meet the requirements. Adjust according to regulations. ② The front wheel pressure is too low or too high. Inflate according to the prescribed air pressure. ③ The front wheel alignment angle has changed. Correct or replace necessary parts.

（2） Oil and gas leakage, as well as mud and water intrusion in the walking system

The reason and elimination method are: inadequate sealing. Replace the oil seal.

（3） Early wear and tear of tracks and track pins

The reason and elimination method are: ① The tightness of the track does not match. Correct adjustment. ② Invasion of soil and sand at the hinge joint. clear. ③ Improper use. Correct use.

（4） Front wheel sway

The reason and troubleshooting method are: ① The steering wheel has too much free travel. Adjust according to regulations. ② The front wheel toe in is incorrect. Adjust according to regulations. ③ The clearance between the front wheel bearings is too large. Adjust or replace according to regulations. ④ The main sales and main sales sleeve are loose or the spokes are deformed. Replace as appropriate. ⑤ The front axle and swing axle are loose. Adjust or replace. ⑥ The gap between the ball head pin and the pin cover or the pin seat is too large or severely worn. Adjust or replace. ⑦ The steering gear is severely worn and the meshing clearance is too large. Adjust or replace. ⑧ The wheel rim fixing nut is loose. Tighten it. ⑨ The transmission rod is deformed or loose. Repair or tighten. ⑩ Steering cylinder intake, check? The oil level height of the steering cylinder. Exhaust.

（5） Excessive free travel of steering wheel

The reasons and troubleshooting methods are: ① Excessive meshing clearance caused by wear or improper adjustment of the front wheel bearings, vertical axle bushings, ball joints, transmission pairs of the steering gear, and fixed bearings of the steering shaft. Replace worn parts or adjust clearances. ② The transmission rod is deformed or loose. Repair or tighten. ③ The lower end of the steering gear and the fixing bolts are loose. Fastening.

（6） Difficulty in turning

The reason and troubleshooting method are: ① The thrust bearing on the steering shaft lacks lubricating oil or the locking nut is tightened too tightly. Add lubricating oil or loosen the locking nut. ② The steering gear is short of oil. add to. ③ The transmission rod is deformed or damaged. Repair or replace. ④ Improper adjustment of the front beam. Adjust the front beam. ⑤ There is a malfunction in the hydraulic steering system. Handle the malfunction.

（7） Hydraulic steering is heavy

The reasons and troubleshooting methods are: ① Insufficient oil supply of the gear oil pump, internal leakage of the gear oil pump, or blockage of the filter screen in the steering oil tank, resulting in light slow rotation and heavy fast rotation. Check if the gear oil pump is functioning properly and clean the filter screen. ② The steering system has air, and when the steering wheel is turned, the cylinder remains stationary. Clear the air from the system and check if the suction pipe is intake. ③ The oil level in the steering tank is too low. Add fuel to the designated liquid level. ④ The spring elasticity of the safety valve weakens, or the steel ball is not sealed, resulting in light load steering and increased load steering sinking. Clean the safety valve and adjust the pressure of the safety valve spring. ⑤ The viscosity of the oil is too high. Use the designated grade of oil. ⑥ The steering system is leaking oil. Check and eliminate the oil leakage point.

（8） The steering wheel cannot automatically return to the neutral position during hydraulic steering

The reason and troubleshooting method are: ① The steering shaft is not concentric with the steering column sleeve, resulting in high rotational resistance. Repair or replace. ② When the neutral position pressure drops too much or the steering wheel stops turning, the steering gear does not unload (prone to deviation). Repair or replace. ③ The steering shaft is not concentric with the valve core. Reinstall and adjust.

（9） Hydraulic steering failure

The reason and troubleshooting method are: ① The locking pin is broken or malfunctioning. Replace the distributor. ② The linkage shaft opening is broken or deformed. Replace the linkage shaft. ③ The rotor and linkage shaft are installed in the wrong position. Reinstall. ④ The steering cylinder piston or piston seal ring is damaged. Replace the piston or piston sealing ring.

5. The braking system is not working properly

（1） Brake failure

The reason and troubleshooting method are: ① Excessive free stroke of the brake pedal. Adjust according to regulations. ② The brake friction pads are severely worn. Replace the friction plate. ③ The friction surface is stained with oil and mud. Clean and strengthen the seal. ④ The transmission rod is deformed or damaged. Correct or replace.

（2） Brake reset is ineffective

The reason and troubleshooting method are: ① The free stroke of the brake pedal is too small or disappears. Adjust according to regulations. ② The return spring is too soft, falling off or breaking. Replace the spring.

（3） Unclear separation and overheating of the brake

The reason and troubleshooting method are: ① The free stroke of the brake pedal is too small. Readjust. ② The brake pressure disc return spring has failed. replace ③ The clearance between the brake friction pads is too small. Readjust. ④ The brake pedal cannot return to its original position. Check if the return spring has failed.

（4） Tractor deflects during braking

The reason and troubleshooting method are: ① Inconsistent travel of left and right brake pedals. Readjust. ② Oil enters the brake on one side. Remove and clean.

（5） Insufficient air pressure and slow air supply in the air compressor

The reasons and troubleshooting methods are: ① Carbon accumulation in the intake and exhaust valves, poor sealing, excessively soft or broken tongue spring plates. Replace the tongue spring, grind the valve seat, and remove carbon deposits and debris. ② Loose cylinder head screws and air leakage at the cylinder head and valve seat gasket. Tighten the cylinder head screws and replace the gasket. ③ The unloading valve is not tightly closed. Clean the unloading valve components, remove debris from the air inlet, and replace the spring. ④ The air filter of the air compressor is clogged. Clean the inside of the air filter. ⑤ Leakage or blockage of pipeline joints. Tighten the connecting nut and remove carbon deposits and debris.

（6） Oil leakage in air compressor

The reason and elimination method are: ① Wear of cylinder liner and piston ring. Replace the piston ring or cylinder liner. ② The oil return hole is blocked and the oil level is too high. Clean the oil pan and return channel.

（7） Oil leakage at the joint surface of the air compressor

The reason and elimination method are: ① Loose fastening bolts of each component. Tighten the bolts. ② The gasket on the joint surface is damaged. Replace the gasket.

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2026 July 4th Week FK Product Recommendation

Plummer Block & Housing:

A plummer block housing, also known as a pillow block bearing, is a pedestal that supports a rotating shaft with the help of bearings and accessories. The housing houses the bearing, and the assembly is used in many applications, including:

· Construction machinery

· Agricultural applications

· Food and beverage processing and packaging

· Conveyor systems

· Material handling systems

· Packaging systems

· Textile equipment

· Air handling

· Special machinery, such as car wash systems, gym equipment, and go-karts

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