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

PART 8: MAINTENANCE AND SERVICE
Preventive Maintenance Schedule
SYSTEM COMPONENT MAINTENANCE TASK
Recommended PM Interval
I A B C D E
Hub, Drum,
& Hubcap
Hubs (non-LMS) Meritor
Unitized Wheel End
Check the bearing endplay and adjust as required (see "Wheel
Bearing Adjustment").
X
Hubs (non-LMS) with
outrunner seals
Clean the components and check for excessive wear or damage.
Change the oil and seal (see "Wheel Bearing Lubrication").
X
Hubs (non-LMS) with
standard seals
Clean the components and check for excessive wear or damage.
Change the oil and seal (see "Wheel Bearing Lubrication").
X
Hub seals (all) Check for leaks; replace as required. X
LMS Hubs (Dana)
LMS Hubs (Dana) with
Synthetic Lubricant
LMS Hubs (Dana) with
Mineral Lubricant
Brake drums
Hubcaps
Check the bearing endplay and adjust as required (see "Wheel
Bearing Adjustment").
Clean the components and check for excessive wear or damage.
Change the oil and seal (see "Wheel Bearing Adjustment").
Clean the components and check for excessive wear or damage.
Change the oil and seal (see "Wheel Bearing Adjustment").
Inspect for visible cracks, heat checking, galling or scoring of the
braking surface, and for severe corrosion on the outside surface.
Check for out-of-round or oversize condition [0.080 in. (2 mm) more
than the original diameter]. Replace as required.
Clean the sight window. Check the center plug, mounting flange,
and fill plug for leaks and for proper installation. Replace broken or
damaged parts. Check the lubricant level and add as required.
X
500,000 miles/ 800,000 km
350,000 miles/ 560,000 km
X
X
R(08/07) Y53-6015 – 121 –