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The maintenance items below must be observed to prevent fails in transmission, resulting
in unnecessary repairs that are not covered for warranty.
1. Air System and Connections
• Check daily for air leaks, worn hoses and air lines; repair immediately.
• If the vehicle has air dehumidification equipment installed check to ensure the
system is working correctly. Repair as needed.
• Check and repair air compressor as is needed. The vehicles air compressor can
allow oil to enter in the air system if not working properly.
2.
Clutch Housing Mounting
• Check all capscrews of clutch housing for looseness.
3. Clutch Release Bearing (Not Shown)
• Remove hand hole cover and check radial and axial clearance in release bearing.
• Check relative position of thrust surface of release bearing with thrust sleeve on
push-type clutches.
4. Clutch Pedal Shaft and Bores
• Pry upward on shafts to check wear.
• If excessive movement is found, remove clutch release mechanism and check the
bushing and bore and shafts for wear.
5. Lubricant
• Change at specified service intervals.
• Use only the types and grades of oils recommended.
Preventive Maintenance
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