3-17
3
TROUBLE SHOOTING 3.7
Problem Cause Corrective Action Section
Final drive noisy. Check oil level. Add 10W30 SJ oil to cor-
rect level.
No lubricating oil. 3.2
Chain is loose. Check chain and sprockets for wear.
Replace as needed.
3.3
Check and adjust the bearing pe-load on the
axle bearings
Axle has too much end
play. (Bearing pre-load)
3.6
Brake pins rubbing axle
sprockets
Check and adjust clearance 3.7
No drive on one side. Drive chain failure. Inspect the drive chain and connecting link.
Replace damaged parts. Check the chain
tension every 150 hours.
3.3
Drive motor sprocket
failure
Inspect the drive sprocket and splines.
Replace parts as required.
3.5
2
Refer to the hydrostatic drive section.
Diagnose and make repairs as required.
Drive motor or hydrostatic
system failure
2
Lubrication oil leaking
through the filler /
breather cap.
Lubricating oil level too
high.
Check the oil level. 3.2
Drive motor shaft seal
leakage.
Inspect and repair damaged parts. 2
Wheel nuts loose.Wheel studs shearing
off.
Replace the wheel studs. Check wheel
nut torque daily. Torque wheel nuts at
100 to 110 ft lbs. (135 to 149 Nm)
Replace the wheel studs. Check wheel
nut torque daily. Torque wheel nuts at
100 to 110 ft lbs. (135 to 149 Nm)
3.6
Wheel nuts over tight-
ened.
Wheel stud threads
stripped.
3.6
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