Every 60,000 mi / 96,000 km / 6 Months
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Hub, Drum, and Hubcap - LMS Hubs (Dana)
• Inspect for leaks. Check the bearing endplay and adjust as required. (Refer to Wheels on page 271 for maintenance
instructions.)
Main and Auxiliary Transmission - Mounting Brackets and Fasteners
• Check the condition of the fasteners and their torque. Tighten to the specified torque value as required. (Refer to Frame
Fastener Torque Requirements on page 279 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. (Refer to Cooling System
Maintenance on page 224 for maintenance instructions.)
Main and Auxiliary Transmission - Main and Auxiliary Transmission (OFF HIGHWAY)
• Drain lubricant while warm. Flush each unit with clean flushing oil. (Refer to Transmission Maintenance on page 272 for
maintenance instructions.)
Auxiliary Transmission - Cotta Transfer Case TR2205 Fabco Transfer Case TC142/TC143/TC170/TC270 Marmon-Harrington Transfer
Case MVG2000/MVG2000SD
• Initial oil change: Drain oil while warm: flush case with gear oil-compatible fluid, clean magnetic drain plug, and refill. Do not
flush the case with any solvent. (Refer to Transmission Maintenance on page 272 for maintenance instructions.)
• Change oil. (Refer to Transmission Maintenance on page 272 for maintenance instructions.)
Air Intake - Air Intake Piping, Mounting, and Charge Air Cooler
• Check the system for broken pipes, leaks, joint integrity, cleanliness, and proper support. (Refer to Air Intake System on page
246 for maintenance instructions.)
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Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
MAINTENANCE - Every 60,000 mi / 96,000 km / 6 Months
Y53-6076-1D1 (09/20) 195
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