Content .. 1010 1011 1012 1013 ..
DAF CF65, CF75, CF85 Series . Manual - part 1012
©
200424
2-1
Single rear axle 1339
DIAGNOSTICS
ΧΦ65/75/85 series
8
1
2. SINGLE REAR AXLE 1339
2.1 FAULT-FINDING TABLE
SYMPTOM: 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
lock parts
Drain oil and check drained oil for presence of
pieces of metal
Pinion-bearing play
Adjust and/or replace
SYMPTOM: 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
mating surfaces
Clean mating surfaces and apply new sealant
SYMPTOM: DIFFERENTIAL LOCK IS NOT FUNCTIONING
Possible cause
Remedy
No air pressure at engaging cylinder
Check compressed-air system
Defective pneumatic control
Check or replace pneumatic switch
Defective mechanical shift control
Check shift control
SYMPTOM: 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