Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...

Preventive Maintenance Schedule
PART 8: MAINTENANCE AND SERVICE
SYSTEM COMPONENT MAINTENANCE TASK
Recommended PM Interval
I A B C D E
Drive Axle
(Dana)
Axle Housing
Visually inspect for damage or leaks.
Check oil level. Check “cold.” Torque the drain plug.
X
X
Drain the lubricant while warm. Flush each unit with clean flushing
oil. Change the lubricant.
Air Shift Unit
Check the lubricant level.
X
Remove the housing cover and drain the lubricant. Wash the parts
thoroughly and dry in air.
X
Breather Clean or replace. X
Lube Pump (ON HIGHWAY)
Remove the magnetic strainer and inspect for wear particles. Wash
in solvent and dry in air.
X
Lube Pump (OFF HIGHWAY)
Remove the magnetic strainer and inspect for wear particles. Wash
in solvent and dry in air.
X
Lube Filter (ON HIGHWAY) Change. X
Lube Filter (OFF HIGHWAY) Change. X
Magnetic drain plug and
breather (ON HIGHWAY)
Clean or replace.
X
Magnetic drain plug and
breather (OFF HIGHWAY)
Clean or replace.
X
– 116 – Y53-6015 R(08/07)