6 Scheduled Maintenance
60
Cab Down — Exterior
Check Side Door Hinge
(if applicable)
— Inspect the door
hinge for wear or damage.
Check Cab Access Steps and Handles
— Inspect all steps
and grab handles for proper mounting and the absence of
cracks.
Clean Heater/AC Filter
— Remove the HVAC filter and
vacuum or blow clean with low-pressure air.
Check Rear Door Roller/Slide Adjustment
— Inspect the
rear door rollers and slide for wear or damage.
Check Gladhand Seals and Trailer Air Lines
— Inspect the
seals for tears and wear. Check the air lines for kinks or
cracks.
Check Trailer Light Cord
(if applicable)
— Inspect the light
cord for cuts and abrasions. As the lights of the truck are
checked, confirm that a trailer connected with the light cord
also has lights. This can be done either with a trailer connected
or with a “test box”.
Check Headlights/Marker Lights
— Start the engine, turn on
the light switches and confirm the lights are illuminated.
Check Turn Signals
— With the key on, activate the turn
signal switch and the flasher to confirm that the turn signals
are working.
Check Strobe Light
(if applicable)
— With the key on, turn on
the strobe light to confirm its operation.
Check Spotlights
— With the key on, turn on the spotlight(s)
to confirm its operation.
Check Wiper Blades
— Inspect the wiper blades for tears or
excessive wear.
Check Windshield Washer Fluid Level
— Fill the washer
bottle as necessary.
Check Transmission Fluid Level
— With the engine running,
use the transmission dipstick to check the fluid level per the
guidelines in the Transmission Operator's Manual.
