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Figure 1. Testing of FM-200 Pressure Switches PS-1 and PS-1A - TM-55-1925-292-14-P0222
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TM-55-1925-292-14-P Firefighting Fire Alarm and Fire Suppression Systems Inland and Coastal Large TUG (LT) Manual
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Figure 1. Fire Flap Pull Cable Replacement
TM 55-1925-292-14&P
UNIT MAINTENANCE
FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR
INLAND AND COASTAL LARGE TUG (LT)
FIRE FLAP PULL CABLES, REPLACE
INITIAL SETUP:
Tools and Special Tools:
References (continued)
Tool Kit, General Mechanic's (Item 1, Table 2,
Materials/Parts:
Equipment Conditions:
Cable (Item 4, Figure 7, WP 0048 00)
CLOSE valves CA-8, STG AIR TO ME #2 and CA-
Shim (Item 2, Figure 7, WP 0048 00)
9, STG AIR TO ME #1. Lock out and tag out
(FM 55-502).
Personnel Required:
Set to OFF circuit breakers ENG RM EXH FAN #1,
Two Watercraft Engineers, 88L
ENG RM EXH FAN #2, ENG RM SUPPLY FAN
#1, and ENG RM SUPPY FAN #2 on the main
References:
switchboard. Lock out and tag out (FM 55-502).
FM 55-502
TM 55-1925-273-10
WARNING
Never reuse locking hardware. Reuse of locking hardware such as lockwashers,
locking nuts, cotter pins, and lock wire can result in undetected loosening of
fastening hardware causing catastrophic component failure resulting in death,
injury, or damage to equipment. In accordance with TB 43-0218, ensure that all
locking hardware is discarded upon removal and replaced with new.
NOTE
This procedure describes the process for replacing any one of the eight fire flap pull
cables installed onboard the Large Tug (LT). Three cables are located on the forward
end of each exhaust stack, on the 02 level. The remaining two cables are located on the
aft bulkhead of the Emergency Diesel Generator (EDG) room, inboard. Although the
cable location may vary between cables, the replacement procedure is the same for all
eight cables.
REMOVAL
1. Loosen the jam nut (figure 1, item 1) on the exterior end of the fire flap pull cable (figure 1, item 2) and
unscrew the T handle (figure 1, item 3) and jam nut.
2. Remove the nut (figure 1, item 4) from the DC kit (figure 1, item 5) and remove the fire flap pull cable
(figure 1, item 2), DC kit, and shim (star washer) (figure 1, item 6) from the bulkhead. Discard the star
washer.
3. Remove the cotter pin (figure 1, item 7) and clevis pin (figure 1, item 8) from the clevis (figure 1, item 9) and
pull the fork away from the actuator arm (figure 1, item 10). Discard the cotter pin.
4. Loosen the nut (figure 1, item 11) on the cable clamp (figure 1, item 12) and slide the fire flap pull cable
(figure 1, item 2) and cable clamp free of its attachment point (figure 1,item 13)
5. Remove the nut (figure 1, item 14) and bolt (figure 1, item 15) from the DC kit (figure 1, item 5) .
6. Spread the slot in the cable end of the DC kit (figure 1, item 5) enough to permit the fire flap pull cable
(figure 1, item 2) to be pulled free of the DC kit. Remove the DC kit from and fire flap pull cable.
7. Free the fire flap pull cable (figure 1, item 2) from its cable hangers along its entire length.
0022 00-1

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