Peterbilt 325 2017, Operator'S Manual, Page: 41 / 392

START-UP
4. Mirrors - check and readjust
mirrors if necessary.
5. Lights - turn ignition key to the ON
position and check for warning
lights and buzzer. Check operation
of turn signals and emergency
lights.
6. Instruments - check all
instruments.
7. Windshield - check operation of
windshield wipers and washers.
8. Horn - check operation of horn.
9. Fuel - check fuel. Is there enough
fuel?
10. Diesel Exhaust Fluid (DEF) -
check level. Is there enough fluid?
11. Sleeper air conditioning air filter -
check the condition of the sleeper
air conditioning air filter. Keep
the sleeper floor area behind
the passenger front seat clear of
debris and pet hair. The sleeper
air conditioner draws air from this
area and excessive dirt or pet hair
may shorten the service life of the
sleeper air conditioning air filter.
The above items should be checked
daily, as a minimum. They are in
addition to, not in place of, Federal
Motor Carrier Safety Regulations.
These regulations may be purchased
by writing to:
Superintendent of Documents
U.S. Government Printing Office
Washington, DC 20402
Weekly Operations
1. Battery - check battery and
terminals.
2. Wheel Cap Nuts - are they all
in place and torqued properly -
tighten if necessary. See Wheel
Cap Nut Torque on page 5-149.
3. Other Controls and Wiring - check
for condition and adjustment.
4. Steering Components - check
pitman arm, draglink, and power
steering hoses, etc., for loose,
broken, or missing parts.
5. HVAC Fresh Air Filter - check for
condition and cleanliness.
6. Other Engine Compartment
Checks
a. Check condition and fastening
of engine belt, hoses, clamps,
and radiator.
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