Mack M359 - Cargo Securement; Rear of Trailer Area; Right Rear Trailer Wheel; Suspension

MAINTENANCE, LUBRICATION AND SERVICE
PRE-TRIP INSPECTION QUICK LIST
• 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.
12
Right Rear Trailer Wheel
Dual Wheels, One or Two Axles
Check condition of wheels and rims.
Especially look for cracks, missing
lockrings, 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. 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 cannot 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
for proper brake adjustment.
• Check spring brakes.
13
Rear of Trailer Area
Lights and Reectors
• Rear clearance, identication and
tail lights clean, operating and
proper color.
• Reectors clean and proper
color.
Cargo Securement
• Cargo properly blocked, braced,
tied, chained, etc.
• Tailboard up and properly
secured. End gates free from
damage, properly secured in
stake pockets.
• Canvas or tarp (if required)
properly latched down to prevent
water damage, tearing, billowing
or blockage of either mirrors or
tail lights.
230
X Publication_PC28