User Manual

Table Of Contents
properly? Is the trailer spare wheel
secure and inflated? Is the landing
gear up and the handle secured?
Fifth wheel - Is the kingpin or the
sliding fifth wheel locked?
Cab Interior
Seat - adjust the seat for easy
reach of controls and visibility.
Seat belts - fasten and adjust
safety restraint belts (which may
include restraints in the sleeper).
Steering column - adjust for easy
reach and visibility.
Mirrors - check and readjust
mirrors if necessary.
Lamps - turn ignition key to the ON
position to allow the bulb check
and systems check to run. Resolve
any issues. Perform an ELST to
check the operation of exterior
lights.
Instruments - check all instruments.
See Systems Check on page 26.
Windshield - check operation of
windshield wipers and washers.
Horn - check operation of horn.
Fuel - check vehicle's fuel level. Is
there enough fuel?
Diesel exhaust fluid - check level.
Is there enough fluid?
Air conditioning filters in the cab.
Weekly Checks
NOTE
These checks are in addition to, not in
place
of, Federal Motor Carrier Safety
Regulations. These regulations may
be purchased by writing to: Superin-
tendent of Documents U.S. Govern-
ment Printing Office Bookstore 710 N.
Capitol St. N.W. Washington, DC
20402, or ContactCenter@gpo.gov.
Engine
Belts
Hoses
Clamps
Radiator
Air filter and its housing
Engine Aftertreatment system
components
Exhaust pipes
Engine air pre-cleaner (option) -
For vocational vehicles with
optional engine air pre-cleaner
,
check the purge valve at the
bottom of the hood mounted
engine air pre-cleaner for any
obstructions. Make sure the purge
valve will open and close as
needed to purge dirt and water
from the engine intake air.
Automatic transmission fluid
(where applicable) - Check level,
after the engine has warmed up to
operating temperature.
Chassis and Cab Exterior
Battery - check battery and
terminals.
Wheel cap nuts - are they all in
place and torqued properly -
tighten if necessary. Wheels on
page 269
Controls and wiring - check for
condition and adjustment
Steering components - check
pitman arm, drag link, intermediate
shaft U-joint pinch bolt, tie rod,
steering shaft and power steering
hoses, etc., for loose, broken, or
missing parts.
SAFETY - Weekly Checks
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