PART 8: MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE SCHEDULE
(R10/06) Y53-6007 – 129 –
Main & aux-
iliary trans-
mission
(Dana)
Main & auxiliary transmission Check the oil level; refill as required (see page 144 and page 146). X
Main & auxiliary transmission
(ON HIGHWAY)
Drain the lubricant while warm. Flush each unit with clean flushing oil. 500,000 miles/
800,000 km
Main & auxiliary transmission
(OFF HIGHWAY)
Drain the lubricant while warm. Flush each unit with clean flushing oil.
X X
Main & aux-
iliary
trans-
mission
(Meritor)
Transfer Case Check the oil level; refill as required (see page 148). X X
Transfer Case Drain lubricant while warm. Flush each unit with clean flushing oil.
X
Main & aux-
iliary
trans-
mission
(ZFMeritor)
Freedomline Transmission Change the oil (see page 148). 500,000 miles/
800,000 km
Air Intake Air intake piping, mounting,
and charge air cooler
Check the system for broken pipes, leaks, joint integrity, cleanliness, and
proper support (see
page 188).
X
Engine air intake tubing Disassemble, clean, check for cracks, leaks, and joint integrity. X
Cold starting aids Check for leaks and proper operation (see page 74). X
Air cleaner Replace the element as indicated (see page 189). When required by the air
restriction indicator
Table 2 Preventative Maintenance Schedule (Continued)
SYSTEM COMPONENT MAINTENANCE TASK
Recommended
PM Interval
I ABCDE
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