2022.3-0000010 OM
Oil pressure loss in transmission hydraulic system Breakdown of gear wheel pump in Replace gear wheel pump of transmission hydraulic transmission hydraulic system system Transmission hydraulic system Engage transmission hydraulic system pump acpump actuator tuator Damaged parts of transmission hy- Replace damaged parts of transmission hydraulic draulic system pump actuator system pump actuator High oil pressure in transmission hydraulic system Oil does not corresponds to the Fill in corresponding seasonal oil current season (ambient temperature) Deadlock of distributor-filter by- Rinse distributor-filter bypass valve pass valve Increased noise Insufficient oil level in transmission Check oil level in transmission as indicated in section 6 “Maintenance service”. Refill oil up to the required level if necessary. Wear or breaking of bearings of Replace bearings other transmission components
7.11 Possible failures of FDA and guidelines for troubleshooting List of possible failures of front driving axle and guidelines for troubleshooting are shown in Table 7.11. Table 7.11 Failure, Troubleshooting external manifestations, cause increased wear and delaminating of front tires Faulty toe-in Adjust toe-in as indicated in section 6 “Maintenance service”. Noncompliance of pressure in tires Adjust pressure in tires as indicated in subsection to the recommended standards 4.2.8 “Choice of optimal inflation pressure of tire depending on operating conditions and tractor axle load, and tires operating rules” Drive clutch does not transmit torque Pressure loss in clutch booster Disassemble distribution valve, rinse case and spool Failure of system electrics Detect and correct trouble in ECS of FDA Insufficient value of torque transferred Low pressure in transmission hy- Adjust pressure in transmission hydraulic system draulic system up to the value 0.9 to 1.0 MPa Increased leakage in drive control hydraulic system: - wear of O-rings of piston and Replace O-rings drum; - wear of mating surfaces sleeve – Replace worn-out parts drum hub, drum – piston; 314
