Mack M359 - Pre-Trip Inspection Quick List

MAINTENANCE, LUBRICATION AND SERVICE
PRE-TRIP INSPECTION QUICK LIST
1
Pre-trip Approach Vehicle
Inspect the vehicle in a circular
manner.
Approaching the Vehicle
• Check under the vehicle for oil,
fuel, coolant leaks or other signs
of damage.
• Check body surfaces for signs of
breaks or damage.
Preparation
• Open drain cocks on air tanks to
let the tanks drain.
• Chock wheels on vehicle and, if
hooked up, trailer.
• Close air tank drain cocks.
• Start the engine and let the air
pressure build up to normal. Stop
engine check for air leaks.
• Switch on parking lights and
hazard lights.
• Apply parking brakes. Listen for
air leaks.
• Raise cab so belts can be
checked.
2
Left Side of the Cab
Left Front Wheel
• Check condition of wheel rim.
Especially look for cracks,
missing lockrings, bent or broken
studs, missing clamps or lug
nuts.
• Check condition of tire: properly
inated, no serious cuts, bulges,
tread wear or any signs of
misalignment; valve stem not
touching wheel, rim or brake
drum; valve cap in place.
• Check wheel bearing and hub:
no obvious leaking on outside or
inside wheel. Verify correct oil
level in hub.
Left Front Suspension
• Check condition of spring, spring
hangers, shackles, u-bolts: no
cracks, breaks or shifting.
• Check shock absorber condition.
Left Front Brake
• Condition of brake drum. With
brakes released, look for a
noticeable gap between lining
and drum. This check cannot be
made if dust covers are in place.
• Condition of brake air hose.
• Check brake chamber mounting
bolts and bracket.
• Check slack adjuster and
chamber pushrod travel for
proper brake adjustment.
Left Front Axle and Steering
System
• No loose, worn, bent, damaged
or missing parts.
Engine Compartment, Left
Side
• Check coolant hose condition.
• Check condition of fan drive
belts.
• Check engine and surrounding
areas for coolant, oil and fuel
leaks.
• Check wiring harnesses for signs
of damage.
3
Front of Cab Area
Condition of Windshield
• Check for damage and clean if
dirty.
• Check windshield wiper arms for
proper spring tension.
• Check wiper blades for any
damage, "dead" rubber and
attachment to arm.
Lights and Reectors
• Lower cab and inspect parking,
clearance and identication lights
on cab. They should be clean,
operating and of the proper color.
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