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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
22
FOAM TANK:
With foam tank full, inspect tank for leaks. Remove hatch, and check
funnel is in place and undamaged. With foam tank empty, engine or
APU running, and winterization valves open, check foam tank heat
exchanger and hose connections for leaks. If exchanger is leaking, refer
to Direct Support for tank replacement.
23
WATER TANK:
With water tank full, check for water leaks. Remove hatch and mesh
screen. Inspect interior of tank for debris, sand, algae etc. Clean tank
as required. Connect rear tank fill valve to a hydrant supply and check
water tank fills to 3/4 level and valve closes. Check seat does not leak
With water tank empty, engine or APU running, and winterization valves
open, check water tank copper heat exchanger and hoses for leaks. If
exchanger is leaking, refer to Direct Support level for repair.
24
WINTERIZATION WATER HEATER:
During winter months only, inspect heater for water or fuel leaks
Repair as required (See tests under WINTERIZATION also).
25
WINTERIZATION AIR BLOWERS:
During winter months only, inspect air blowers and heater cores. Check
air blowers spin without catching the frame. Replace as required.
26
ENGINE COOLER HEAT EXCHANGER:
Inspect heat exchanger for leaks. Start main engine and fire system in
structural mode. When engine is at operating temperature, open
emergency heat exchanger via control valve and check engine
temperature falls.
27
HOSE REEL:
Check manual drain and air blowout of the hose reel. Inspect all fittings
for damage. Replace as required.
28
HOSE BED ROLLERS:
Inspect pump body, hose body, and hose reel rollers for free rotation
Replace as required.
4-12
Interval
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