Isuzu Tilt Slide FYJ2000 Instruction Manual page 534

8-6
IN CASE OF EMERGENCY
Symptom
From the
transmission
From
Loud or
differential
abnormal
noises
From the
suspension
From the
propeller
shaft
The trailer-decoupling
lever does not work
Cause
Insufficient transmission
oil
Transmission inner
components faulty
Insufficient differential
gear oil
Differential inner
components faulty
Spring pins, shackles or
stoppers worn
Poor lubrication in each
component
Splines or bearings worn
Force applied to the trailer
king pin holds the unlock
lever
Corrective action
Add oil
Add oil
Lubricate them
Reverse the tractor
slightly to release the
force on the king pin
Reference
page
7-105
―
7-112
―
―
7-127
―
4-98