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Peterbilt Medium Duty Truck Owner's Manual - Peterbilt Motors

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Maintenance Schedule and Lubrication<br />

Preventive Maintenance<br />

Table 2<br />

Maintenance Schedule<br />

INTERVAL<br />

COMMENTS<br />

OPERATION \ FREQUENCY<br />

King Pin Wear<br />

Steer Axle Wheel Bearing - End Play Adjustment<br />

and Inspection<br />

Front Hub Lubricant Level<br />

Spring Leaves<br />

7,500 mi<br />

12,000 km<br />

15,000 mi<br />

24,000 km<br />

60,000 mi<br />

96,000 km<br />

350,000 Miles With LMS Outer Ends<br />

• No Leak – No Service<br />

Tighten U-bolts after the first 500 miles<br />

U–Bolt and Suspension Fastener Torque<br />

(800 km). Rear suspension fasteners:<br />

retorque after first 2,000 miles (3218 km).<br />

Leaks:<br />

Coolant<br />

Engine Oil<br />

Power Steering<br />

Fuel<br />

Transmission<br />

Axles<br />

Inner and Outer Hub Seals<br />

Engine and Transmission Mounts<br />

Drivelines – U–joints and Slip Yokes<br />

Rear Axle Lubricant Level<br />

Rear Axle Lubricant Flush & Refill C4 At 250,000 Miles<br />

Rear Axle Breathers – Clear<br />

Tractor Protection Valve Breakaway Test<br />

Brake Chamber Mounting Bolt Torque<br />

Brake Hoses for Cracks and Chafing<br />

Adjust Brakes<br />

– 162 – Y53-6027 <strong>Medium</strong> <strong>Duty</strong> (R05/09)

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