Kenworth Truck Company Vehicle T680

• Lubricate with approved grease. (Refer to Front Axle and Suspension on page 269 for maintenance instructions.)

Drive Axle - Linehaul (PACCAR) - Axle Assembly

• Check oil level and inspect for leaks.

• Visually inspect for damage or leaks.

Drive Axle - Linehaul (PACCAR) - Breather

• Check the operation. If the cap doesn't rotate freely, replace.

Drive Axle - Vocational (PACCAR) - Axle Assembly

Drive Axle - Vocational (PACCAR) - Axle Assembly

• Drain and replace SYNTHETIC BASE lubricant.

Hub, Drum, and Hubcap - Hubs (non-LMS) with Outrunner Seals

• Clean the components and check for excessive wear or damage. Change the oil and seal. (Refer to Wheels on page 332 for maintenance instructions.);

Inspect the filter according to the maintenance interval schedule

Replace the filter cover on the air intake housing

Close and secure the hood of the vehicle

Sign off on the air conditioner filter maintenance

Front Suspension - U-bolts (OFF HIGHWAY)

Drive Axle - Vocational (PACCAR) - Axle Assembly

Drive Axle - Vocational (PACCAR) - Breather

Drive Axle (Meritor City Delivery / OFF HIGHWAY) - Axle Housing

Drive Axle (Meritor City Delivery / OFF HIGHWAY) - Breather

Drum Brakes (All) - Slack Adjusters

Drum Brakes (All) - Brake Air System

• Refer to Wheels on page 332 for maintenance instructions.

11 Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of those listed here.

• Refer to Suspension U-Bolts, Class 10.9 on page 339 for maintenance instructions.