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8 LF45/55 series Single rear axle 5.14 DIAGNOSTICS 3-1 3. SINGLE REAR AXLE 5.14 3.1 FAULT-FINDING TABLE COMPLAINT: NOISES IN REAR AXLE AND DRIVE ASSEMBLY Possible cause Remedy Oil level too low Top up oil Incorrect oil viscosity Drain oil and top up Loosened attachment bolts or broken differential Drain oil and check drained oil for metal particles Pinion bearing play Adjust and/or replace COMPLAINT: OIL LEAK Possible cause Remedy Oil level too high Drain oil Incorrect oil viscosity Drain oil and top up Leaking oil seal Replace oil seal Bleeding system blocked Clean or replace the bleeding system Oil leakage between the differential gear housing Clean mating surfaces and apply new sealant COMPLAINT: DIFFERENTIAL LOCK IS NOT FUNCTIONING Possible cause Remedy No air pressure on engaging cylinder Check compressed air system Defective pneumatic control Check or replace pneumatic switch Defective mechanical shift control Check shift control COMPLAINT: DIFFERENTIAL LOCK WARNING LAMP IS NOT FUNCTIONING Possible cause Remedy Switch on cylinder fitted too high Readjust switch Switch on cylinder defective Replace switch Fault in electrical circuit Check electrical circuit ᓻ 200313 1 |