Table 3-1. Operator Preventive Maintenance Checks and Services -- Continued
A -- After Operation
D -- During Operation
Time Required: 0.9
Work
Equipment is not
Time
Item to be inspected
Ready/Available if:
M/H)
Procedure
AIR SUSPENSION SYSTEM
Any damage, will not main-
0.3
Visually impact all component for damage, especially air
tain adequate or safe air
springs and air axle lifts. Teat operation of air suspension
pressure.
using control handle (para 2-7). Apply tire air gage to
regulator valve in use and check for required air pressure
BOGIE ASSEMBLIES
Damaged or broken walking
0.1
Visually impact trunnion shaft, walking beams, and axle
beams or axle mounting
mounting brackets for damage or loose nuts. (figs. 5-4, 5-5,
brackets.
and 5-6).
BRAKES
Brakes do not operate
0.1
Note any unusual or unsatisfactory operation when brakes
properly.
are applied and released. If faulty brakes are suspected,
raise axles, apply brakes, end try rotating wheel; try rotating
wheel without brakes applied (pare 2-21).
LIGHTS
0.2
Operate lights (if tactical situation permits) and observe
functioning. The towing vehicle air pressure must be
above 5 pai to operate stop light switch. Visually impact
reflector. See that retractable clearance lights are not
unnecessarily in extended position. Check for discolored
or broken lens.
ROLLERS AND SNATCH BLOCK
0.1
Cable guide roller frozen.
Inspect rollers and snatch block for damage. See that
rollers roll free. Check operation of swing-away roller
FRAME AND COMPONENTS
Cracks or breaks in and
0.1
Visually impact frame, landing gear, ramps end ramp
around gooseneck and weld-
tiedown assembly, curbs and decks. Check kingpin for
ments. Cracks or breaks in
apparent damage. Check frame for cracks at axles 5 and 6
frame or crossmembers.
saddle bracket. If cracks appear, notify organizational
Kingpin damaged, cracked,
maintenance personnel.
10088 or chipped.
BASIC ISSUE ITEMS
0.2
Check to see that all basic issue items are on the semitrailer
and properly stowed (Appendix B). Inspect reeving ropes
for frayed or damaged condition.
GENERAL OPERATION
0.1
Be alert for any unusual noises or improper operation of
brakes, tires, air suspension system and winching compo-
nents. If severe tire thump is noticed at start-up, drive
towing vehicle through right end left turns to get flat
spots out of phase.
OPERATING FAULTS
0.1
Investigate and correct or report any faults noted during
operation.
SUSPENSION SYSTEM
0.1
Inspect suspension system and aaeociated mounting parts
to see if they have been damaged.
Change 2
