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TM 5-4210-220-12
Table 4-1. Unit PMCS - Continued
W - Weekly
M - Monthly
S - Semi-Annually
M - Monthly
B - Bi-Annual
ITEM
ITEM TO BE INSPECTED/PROCEDURE
NO.
W
M
S
A
B
29
AUXILIARY POWER UNIT:
During winter months only, open compartment and inspect for oil, fuel,
or water leaks. Repair as required. Clean cylinder head cooling fins with
soft bristle brush.
Start APU and check all controls function. Refer to WINTERIZATION test
following.
Inspect Fuel Filter.
30
WINTERIZATION:
During winter months only, with APU operating, start winterization
heater. Check all main engine valves are open for total winterization
circulation. Start cab, battery box, and pump body heater fans.
.
Loosen top water connection on pump body heater core and vent any
air trapped in the system. Ensure all heaters operate. Check all hoses
for leaks. Replace as required.
31
ENGINE COOLING:
Start main engine and check all hoses for leaks. Replace/repair
hoses/tubes as required. Check temperature of engine remains less
than 200 deg. F as observed on the cab and pump body engine water
temperature gages.
32
STEERING WHEEL AND COLUMN:
Inspect the steering wheel for cracks or damage. Check electric horn,
signal indicator and 4-way flasher work.
33
STEERING ARM DRAG LINK:
Inspect steering arm and drag link for any scoring, corrosion, bends, or
other damage. Carry out operational test to ensure steering geometry.
34
STEERING GEAR:
Inspect steering gear for signs of wear, leakage, or other damage.
Operate gear and check relief valve in gear operates before wheels
reach left or right hand stops. Adjust gear as required.
35
FRONT AND REAR SUSPENSION:
Inspect U-bolts, shock absorbers, leaf springs, hangers, and shackles for
any major damage. Replace parts as required.
4-13
Interval
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