Medium Duty Operator's Manual - Peterbilt Motors Company

DRIVER'S CHECK LIST
Engine Compartment Checks — Daily
1. Engine Fluid Levels—add more if necessary.
• Engine oil
• Coolant (check while engine is cold)
• Power steering fluid level
• If your truck has hydraulic brakes, check the fluid
level in the master cylinder reservoir. See page 154
for more information.
2. Engine Belt—check tension and condition of belts.
This is important to ensure proper air compressor and
engine operation.
• Measure the belt tension at the longest span of the
belt. See page 142 for further information on checking
belt tension.
NOTE: Deflection should be one belt thickness
for each foot distance between the
pulley centers.
• If breaks or tears are found, the belt should be
replaced before operating the vehicle.
3. Fuel Filter/Water Separator Draining—check and
drain. Depending on the fuel storage facility, more frequent
draining may be required.
4. Windshield washer reservoir fluid level—fill if necessary.
5. Hood closed before entering cab. Is it latched properly?
Chassis and Cab Checks — Daily
Before entering the cab and operating the vehicle, check
the following equipment for proper maintenance:
1. Lights—do headlights, turn signals, emergency flashers,
and exterior lamps function and are they clean
and adjusted properly?
2. Windows and Mirrors—are they clean and adjusted
properly?
3. Tires and Wheels—are they inflated properly? Are all
wheel cap nuts in place and torqued properly—tighten
if necessary. Check front wheel bearing oil levels.
Inspect all tires and wheels for damage—correct if
found.
4. Suspension—check for loose or missing fasteners.
Check damage to springs or other suspension parts.
5. Brake Components—check lines, linkages, chambers,
and brake operation.
– 84 – Y53-6008A Medium Duty (R05/09)