operators_manual

Table Of Contents

At first 15,000 mi / 24,000 km or at first PM

Front Suspension U-bolts

• (ON HIGHWAY) Check the general condition and the tightness of the nuts. Tighten the nuts to the specified torque value as

required; (Refer to Suspension U-Bolts, Grade 8 on page 306 for maintenance instructions.)

• (VOCATIONAL) Check the general condition and the tightness of the nuts. Tighten the U- bolts after the first day or two of

operation. Then tighten the nuts to the specified torque value as required; (Refer to Suspension U-Bolts, Grade 8 on page 306

for maintenance instructions.)

Drive Axle (SISU) - Axle Housing

• Drive Axle (SISU) Oil Servicing on page 287

• Drive Axle (SISU) Inspection on page 287

Rear Suspension - U-bolts

• Check the torque. Tighten to specified torque value as required.(Refer to Suspension U-Bolts, Grade 8 on page 306 for

maintenance instructions.)

Rear Suspension - Mounting Brackets and Fasteners

• Check the condition and the fastener torque. Tighten to the specified torque value as required; (Refer to Rear Axle and

Suspension on page 282 for maintenance instructions.)

Main and Auxiliary Transmission (including Eaton Automated or PACCAR Transmission) - Main and Auxiliary Transmission and

Transfer Case

• Inspect for visible damage, signs of overheating, and leaks. (Refer to Transmission Maintenance on page 297 for maintenance

instructions.)

Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of

those listed here.

MAINTENANCE - At first 15,000 mi / 24,000 km or at first PM

196 Y53-6126-1A1 (01/21)