9.8. Search and elimination of malfunctions

Search and elimination of malfunctions
Sign
Probable cause
Elimination method

Coupling pro-slipping

  • The car does not accelerate at increase in frequency of rotation of a bent shaft of the engine
  • Insufficient speed of the car
  • Insufficient power on rises
Insufficient gap of a pedal of coupling Adjust a coupling pedal gap
Contamination of the hydraulic drive of coupling Clear or replace details
Excessive wear of a clutch plate Replace a clutch plate
Jamming of a disk on vents of a main shaft or oil on frictional slips Replace a clutch plate
The disk or flywheel is damaged press Replace press a disk or a flywheel
The diaphragm spring is weakened or broken Replace press a disk
Gear shifting is complicated Excessive free wheeling of a pedal of coupling Adjust a free wheeling of a pedal of coupling
Leak of liquid from the hydraulic drive of coupling Define the place of leak and eliminate it
Wear or corrosion of a clutch plate Replace a clutch plate
Excessive distortion of a clutch plate Replace a clutch plate
Coupling noise When coupling is not used Insufficient free wheeling of a pedal of coupling Adjust a free wheeling of a pedal of coupling
Excessive wear of a clutch plate Replace a clutch plate
Emergence of noise after coupling separation Wear or damage of the bearing of switching off of coupling Replace the coupling switching off bearing
Emergence of noise at coupling separation Lack of lubricant on the surface of the basic plug Grease the surface of the basic plug
In an inadequate way are installed the coupling switching off bearing Repair
Emergence of noise at the movement of the car with partially included coupling The directing plug is damaged Replace the directing plug
The pedal of coupling is pressed hardly There is not enough coupling pedal lubricant Repair
There is not enough lubricant on clutch plate vents Repair
There is not enough lubricant on the coupling switching off shaft lever Repair
There is not enough lubricant on a forward cover of bearing knot Repair
Transfers join hardly or do not join absolutely Insufficient free wheeling of a pedal of coupling Adjust a free wheeling of a pedal of coupling
The coupling switching off cylinder is faulty Repair or replace
Excessive beating of a clutch plate Repair or replace
Vents of a main shaft of the transmission are polluted or rusted Repair
The clutch plate is faulty press Replace press a clutch plate
Coupling pro-slipping Insufficient gap of a pedal of coupling Adjust a coupling pedal gap
Contamination of the hydraulic drive of coupling Clear or replace details
Wear of a clutch plate Replace a clutch plate
The clutch plate is faulty press Replace press a clutch plate
Fastening of a fork of switching off of coupling is broken Repair
Coupling vibration The clutch plate is deformed, worn-out or on it oil got Check a clutch plate
The clutch plate is faulty press Replace press a clutch plate
The diaphragm spring is damaged or broken Replace press a disk
The damping clutch plate spring is damaged Replace a clutch plate
Coupling fastening is weakened Repair
Coupling noise The coupling pedal plug is damaged Replace the coupling pedal plug
Fastening in a coupling casing is weakened Repair
The coupling switching off bearing is worn-out or polluted Replace the coupling switching off bearing
Fastening of a fork of switching off of coupling is broken Repair