DAF CF75 Series - Mechanical Gearbox

3
CF65/75/85 series Mechanical gearbox
DIAGNOSTICS
4-1
4. MECHANICAL GEARBOX
4.1 FAULT-FINDING TABLE
SYMPTOM: ENGAGING GEARS IS HEAVY
Possible cause Remedy
Gearbox oil level too low Topupoillevel
Oil with incorrect specification in the gearbox Fill gearbox with oil of correct specification
Problem in mechanical gearbox control See “Mechanical gearbox control” fault-finding
table
Clutch plate is not released See “Clutch” fault-finding table
SYMPTOM: GEARS CANNOT BE ENGAGED
Possible cause Remedy
Retaining element fitted too deep Check/repair retaining elements
Problem in mechanical gearbox control See “Mechanical gearbox control” fault-finding
table
Range-change gear does not work properly See “Pneumatic section of gearbox control”
fault-finding table
SYMPTOM: GEARBOX JUMPS OUT OF GEAR
Possible cause Remedy
Adjustment of selector shaft housing on gearbox Mount selector shaft housing on gearbox without
any play
Defective retaining element or wrong type of
retaining element fitted in selector shaft housing
Replace retaining element or fit other type of
retaining element
Problem in mechanical gearbox control See “Mechanical gearbox control” fault-finding
table
1
ᓻ 200337
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