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 TM 55-1905-242-14
0139 00
INSTALLATION--ACCOMMODATION MODULE VENTILATION FAN (continued)
3.
Position the junction box cover (29) on the junction box (30) and secure it with the screws (28).
4.
Remove the lockouts and tagouts and check the operation of the system, ensuring that the fan blows air out of the
accommodation module, not into it.
REMOVAL--WATER CLOSET VENTILATION FAN
WARNING
Replace or repair components only after the affected circuit has been secured, locked
out, and tagged out. Performing replacement with the circuit energized may result in
damaged equipment and serious injury or death to personnel.
1.
Remove the screws that secure the access plate to the deck inside the pilothouse. Remove the deck access plate.
2.
Set to OFF, lock out, and tag out the VENT FAN W/C circuit breaker in accordance with FM 55-502.
3.
Remove the two screws (28) that secure the junction box cover (29) to the junction box (30), and remove the junction box
cover.
4.
Set the multimeter to the Vdc (Volts direct current) setting. Place one multimeter lead on each of the wiring connections
inside the junction box (30). If no voltage is noted, proceed to the next step. If voltage is noted, ensure that the circuit
breaker is properly secured.
5.
Label and remove the wiring (31) from the junction box (30).
6.
Remove the bolts (32) and washers (33) that secure the water closet ventilation fan (34) to the bulkhead.
INSTALLATION--WATER CLOSET VENTILATION FAN
1.
Position the water closet ventilation fan (34) on the bulkhead and secure it with the bolts (32) and washers (33).
2.
Connect the wiring (31) inside the junction box (30) using the labels from step 5 of Removal--Water Closet Ventilation Fan
as a guide.
3.
Position the junction box cover (29) on the junction box (30) and secure it with the two screws (28).
4.
Remove the lockouts and tagouts and check the operation of the system, ensuring that the fan blows air out of the water
closet, not into it.
5.
Install the deck access plate and secure it with its screws.
END OF WORK PACKAGE
0139 00-6
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