Peterbilt 579 - Page 48

1
START-UP
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 5-141.
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.
b. Check the
air cleaner, mufer,
and exhaust pipes. Are they
tight and secure?
c. For vocational
vehicles
with optional engine air
pre-cleaner, check the purge
valve at the bottom of the hood
mounted engine air precleaner
for any obstructions. Make
sure the purge valve will open
and close as needed to purge
dirt and water from the engine
intake air.
d. Automatic Transmission
Fluid
(when applicable) - Check
level, after the engine has
warmed up to operating
temperature.
1-40 Y53-6047–2C (04/13)