TM 9-2330-357-14&P
Table 2-1. Operator/Crew Preventive Maintenance Checks and Services (PMCS) (Con't).
B-BEFORE
D-DURING
A-AFTER
W-WEEKLY
ITEM
INTERVAL
ITEM TO BE INSPECTED
NO.
Procedure: Check for and have repaired,
EQUIPMENT IS NOT
B
D
A
W
filled or adjusted as needed
READY/AVAILABLE IF
Service brakes fail to operate.
11
BRAKES
Test brake system by coupling semitrailer to
Check air line
connections and ensure that the tractor truck
service air line is on. Apply semitrailer brakes
several times and check for any unusual
conditions or unsatisfactory performance (grab-
bing, pulling, or slow application).
AIR PRESSURE
12
Test airbrake system by stopping engine of
tractor truck when air is at maximum operating
pressure. Apply semitrailer brakes and listen
for air leaks.
13
TRACKING
Pull semitrailer straight ahead and check for
any side pull, wander, shimmy, or slack
between kingpin and fifth wheel lock.
14
NOTE
An assistant Is required while checking all
lights.
a.
If tactical situation permits, with
semitrailer still coupled to tractor truck,
operate the tractor truck light switch
through all settings and check semi-trailer
lights for proper operation.
b.
15
BRAKEDRUM AND HUB
WARNING
When checking for improperly adjusted
brakes or dry wheel bearings, cautiously
feel each wheel hub and brakedrum.
Serious burns may result from touching an
overheated wheel hub and brakedrum.
Cautiously feel brakedrums and hubs for
excessive heat. Overhearing could indicate
improperly adjusted or defective wheel
2-11