TM 55-1930-209-14&P-11
4-13.2 Test
a.
Check lamp. If bad, replace lamp as given in paragraph 4-13.3. If good, go to step b.
b.
Check input voltage to strobe light located in ROWPU space or deckhouse mast. If input voltage is between 25
and 28 Vdc, replace strobe light as given in paragraph 4-13.4. If input voltage is not between 25 and 28 Vdc,
check connections and continuity of input cable (4P14B to ROWPU space strobe light or 1 P14B to deckhouse
mast strobe light). Tighten loose connections or repair or replace bad cable. If input cable to strobe light in
ROWPU space is good, check alarm relay module as given in paragraph 4-9. If input cable to strobe light or
deckhouse mast is good, check bilge alarm module as given in paragraph 4-10.
4-13.3 Repair. Repair involves replacement of the lamp.
a.
Strobe light in ROWPU space on forward bulkhead (Barge 1) and on overhead (Barges 2 & 3).
(1)
Remove glass cover on strobe light by loosening screw and releasing clamp at base.
(2)
Pull out lamp and replace.
(3)
Replace glass cover and clamp. Secure cover to base by tightening clamp screw.
b.
Strobe light for bilge level switches on deckhouse mast.
(1)
Remove 12 hex nuts and lockwashers to free mast from foundation.
(2)
Lay mast on deck
(3)
Remove glass cover on strobe light by loosening screw and releasing clamp at base
(4)
Pull out lamp and replace.
(5)
Replace glass cover and clamp. Secure cover to base by tightening clamp screw.
(6)
Stand up mast, align holes and studs and replace 12 hex nuts and lockwashers at foundation.
4-13.4 Replacement
4-13.4.1 Strobe light In ROWPU space on forward bulkhead (Barge 1) and on overhead (Barges 2 and 3)
a.
Removal
(1)
Tag and disconnect cable (4P14B).
(2)
Remove mounting hardware and remove strobe light.
b.
Installation
(1)
Install strobe light and secure with mounting hardware
(2)
Connect cable to strobe light.
4-13.4.2 Strobe light for bilge level switches on deckhouse mast
a.
Removal
(1)
Remove 12 hex nuts and lockwashers to free mast from foundation.
(2)
Lay mast on deck.
(3)
Tag and disconnect cable (1P14B)
(4)
Remove mounting hardware and remove strobe light.
4-12