Every 60,000 mi / 96,000 km / 6 mo
7
Main and Auxiliary Transmission - Mounting Brackets and Fasteners
• Check the condition of the fasteners and their torque. T
ighten to the specified torque value as required. (Refer to Frame
Fastener Torque Requirements on page 63 for maintenance instructions.
Main and auxiliary Transmission - Oil Cooler
• Clean the fins (air-to-oil type) and body. Check the hose condition and for leaks: replace as required (See Cooling System
Maintenance on page 51).
Annually
Annually
Air - Air Dryer (Oil-coalescing Desiccant Cartridge)
• Replace cartridge annually regardless of mileage (See Air Dryer Oil-coalescing Cartridge on page
51).
Every 240,000 mi / 384,000
km / 3 yr
7
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
MAINTENANCE - Annually
Y53-1349-1A1 (02/2022) 49
6
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