Mack M359 - Left Rear Trailer Wheels Area; Left Side of Trailer Area

MAINTENANCE, LUBRICATION AND SERVICE
PRE-TRIP INSPECTION QUICK LIST
• Rear doors securely closed,
latched or locked; required
security seals in place.
• Underside guard in place: not
cracked, bent or broken.
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Left Rear Trailer Wheels Area
Dual Wheels, One or Two Axles
• Check condition of wheels and
rims. Especially look for cracks,
lockrings missing, bent or broken
spacers, studs, missing clamps
or lug nuts.
• Check condition of tires: properly
inated, no serious cuts, bulges,
tread wear or any signs of
misalignment; valve stems not
touching wheels, rims or brake
drums; valve caps in place and
no objects stuck between the
wheels.
• Check that both tires are of same
type, for example, not mixed
radial and bias type and that their
circumferences are matched.
• Check wheel bearing and hub:
no obvious leaking on outside or
inside wheel.
Suspension
• Condition of springs (leaf or air),
spring hangers, shackles and u-
bolts.
• Axle alignment.
• Condition of torque rod arms.
• If equipped with sliding axles,
check position and alignment.
Look for damaged, worn or
missing parts, all locks present,
fully in place and locked.
• Flexible air tubing not cracked,
cut, crimped or otherwise
damaged. It should be secured
against tangling, dragging and
chang.
Brakes
• Condition of brake drums. With
brakes released, look for a
noticeable gap between lining
and drum. This check can not be
made if dust covers are in place.
• Condition of brake hoses: check
for any chang.
• Check brake chamber mounting
bolts and brackets.
• Check slack adjusters and
chamber push rod travel. With
brakes applied or released, look
for conspicuously different
positions of the slack adjusters.
• Check spring brakes.
15
Left Side of Trailer Area
Landing Gear or Dolly Area
• Fully raised; no missing or
damaged parts.
• Crank handle present and
secured.
• If power operated, no air/
hydraulic leaks.
Spare Wheel(s)
• Spare wheel securely mounted in
rack with no damage to rack.
• Tire and wheel condition
adequate for a spare: proper
size, properly inated.
Lights and Reectors
• Trailer side clearance lights:
clean, operating and proper
color.
• Reectors clean and proper
color.
Frame and Body
• Frame and crossmembers not
bent, cracked, damaged or
missing.
• Proper placarding.
• Body parts not damaged or
missing.
Before Leaving the Parking Area
• Remove chocks from the wheels.
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