Case 580SR+ - Fault Finding

SECTION 27 - REAR AXLE 27
1.4 FAULT FINDING
PROBLEM CAUSE CORRECTION
Differential lock not engaging
(mechanical differential lock)
External linkage damaged or
broken
Internal linkage, cross shaft rod,
fork or pivot shaft damaged/
broken
Damaged or broken teeth on
differential lock adaptor or
coupling
Replace/repair as required.
Remove and inspect.
Remove differential and inspect
differential lock assembly.
Differential lock not disengaged
(mechanical differential lock)
Spring broken between adaptor
and coupling
Teeth of adaptor or coupling
damaged/burred
Remove differential and replace
spring.
Remove differential and replace
damaged parts.
Differential lock not engaging
(electrical differential lock)
Internal linkage, cross shaft rod,
fork or pivot shaft damaged/
broken
Damaged or broken teeth on
differential lock adaptor or
coupling
Solenoid valve sticking not
operating
Solenoid valve electrical
connection poor or coil not
energizing
Remove, inspect and repair.
Remove differential and inspect
differential lock assembly.
Replace/repair as required.
Replace/repair as required.
Differential lock not disengaged
(electrical differential lock)
Spring broken between adaptor
and coupling
Teeth of adaptor or coupling
damaged/burred
Internal linkage, cross shaft rod,
fork or pivot shaft damaged/
broken
Damaged or broken teeth on
differential lock adaptor or
coupling
Solenoid valve electrical
connection poor or coil not
energizing
Remove differential and replace
spring.
Remove differential and replace
damaged parts.
Remove and inspect.
Remove differential and inspect
differential lock assembly.
Replace/repair as required.
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