Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
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Preventive Maintenance Schedule<br />
PART 8: MAINTENANCE AND SERVICE<br />
SYSTEM COMPONENT MAINTENANCE TASK<br />
Recommended PM Interval<br />
I A B C D E<br />
Main &<br />
auxiliary<br />
transmission<br />
Main & auxiliary transmission<br />
and transfer case<br />
Inspect for visible damage, signs of overheating, and leaks. X X<br />
Check the drain plugs for tightness.<br />
X<br />
Mounting Brackets and<br />
Fasteners<br />
Check the condition of the fasteners and their torque. Tighten to the<br />
specified torque value as required.<br />
X<br />
Main &<br />
auxiliary<br />
transmission<br />
(except<br />
Freedomline)<br />
Main<br />
transmission<br />
Oil cooler<br />
Clean the fins (air-to-oil type) and body. Check the hose condition<br />
and for leaks; replace as required.<br />
Main & aux.transmission Check the oil level; refill as required. X<br />
Main & auxiliary transmission<br />
(ON HIGHWAY)<br />
Main & auxiliary transmission<br />
(OFF HIGHWAY)<br />
Drain lubricant while warm. Flush each unit with clean flushing oil.<br />
X<br />
500,000 miles/ 800,000 km<br />
Drain lubricant while warm. Flush each unit with clean flushing oil. X X<br />
Freedomline Transmission Change the oil (see page 127). 500,000 miles/ 800,000 km<br />
– 122 – Y53-6015 R(08/<strong>07</strong>)
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