operators_manual

Table Of Contents
Every 30,000 mi / 48,000 km
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Drum Brakes (All) - Brake Lining
Inspect: replace as required. (Refer to Drum Brake Inspection on page 241 for maintenance instructions.)
Hub, Drum, and Hubcap - Hubs (non-LMS)
Check the bearing endplay and adjust as required. (Refer to Wheels on page 294 for maintenance instructions.)
Hub, Drum, and Hubcap - Hub Seals (all)
Check for leaks: replace as required. (Refer to Wheels on page 294 for maintenance instructions.)
Hub, Drum, and Hubcap - Brake Drums
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.
(Refer to Brake System on page 239 for maintenance instructions.)
Main and Auxiliary Transmission (including Eaton Automated or PACCAR Transmission) - Main and Auxiliary Transmission and
Transfer Case
Check the drain plugs for tightness. (Refer to Transmission Maintenance on page 297 for maintenance instructions.)
Main and Auxiliary Transmission (including Eaton Automated or PACCAR Transmission) - Main and Auxiliary Transmission
Check the oil level: refill as required. (Refer to Transmission Maintenance on page 297 for maintenance instructions.)
Clutch - Clutch Release Bearing
Lubricate. (Refer to Hydraulic Clutch on page 298 for maintenance instructions.)
Inspect and adjust when necessary (no adjustment required for SOLO type clutches.) (Refer to Hydraulic Clutch on page 298 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 30,000 mi / 48,000 km
Y53-6126-1A1 (01/21) 211
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