DAF CF65, CF75, CF85 Series . Manual — part 293
3
CF65/75/85 series
Clutch
DIAGNOSTICS
6-3
SYMPTOM: CLUTCH RELEASE ASSEMBLY FAILS TO RELEASE
Possible cause
Remedy
Fluid level in hydraulic system too low
Top up fluid
Incorrect pedal setting
Check setting and adjust if necessary
Air in hydraulic system
Bleed hydraulic system
Leak in hydraulic system
Check hydraulic system
Fingers of clutch release assembly broken
Replace clutch release assembly
Wrong clutch release assembly has been fitted
Fit correct clutch release assembly
Clutch fork is broken
Replace fork
Clutch release assembly severely contaminated
Clean entire clutch assembly
Defective clutch servo
Check clutch servo and replace, if necessary
Thrust bearing incorrectly fitted
Fit thrust bearing correctly
Clutch housing disconnected from gearbox
Tighten the clutch housing bolts to the correct
torque
1
ᓻ 200337
3
DIAGNOSTICS
Clutch
CF65/75/85 series
6-4
1
ᓻ 200337
3
CF65/75/85 series
Prop shafts
DIAGNOSTICS
7-1
7. PROP SHAFTS
7.1 FAULT-FINDING TABLE
SYMPTOM: VIBRATION IN DRIVE LINE AT LOW SPEED
Possible cause
Remedy
Universal joint angle too large caused by e.g.
excessive caster
Check universal joint angle
Play in universal joints
Replace universal joint
Play in centre bearing
Replace centre bearing
Play in sliding joint
Replace prop shaft
Forks not in line
Align forks
SYMPTOM: VIBRATION IN DRIVE LINE AT HIGH SPEED
Possible cause
Remedy
Prop shaft imbalance
Balance prop shafts or replace if necessary
1
ᓻ 200337
3
DIAGNOSTICS
Prop shafts
CF65/75/85 series
7-2
1
ᓻ 200337
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