Quantcast SOUND POWERED TELEPHONES

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TM 55-1905-223-24-18-2
Table 3-2. Troubleshooting-CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
SOUND POWERED TELEPHONES - CONT
STEP 2. Check for defective bell, buzzer or horn.
Replace bell, buzzer or horn (para. 3-34, 3-35, 3-36, 3-38 or 3-39).
11. Indicator light on telephone doesn't work.
STEP 1. Check for defective bulb.
Replace bulb (para. 3-35, 3-37, or 3-40).
STEP 2. Check for defective latching relay.
Select home station and crank the generator. Replace relay (para. 3-34 through 3-40).
STEP 3. Check for defective pilotlight.
Replace pilotlight (para. 3-35, 3-37, or 3-40).
STEP 4. Check for defective hook switch or pushbutton switch.
Replace defective switch (para. 3-35, 3-37, or 3-40).
TANK LEVEL INDICATOR
12. Receiver module meters not operating.
STEP 1. Check for defective fuse.
Replace fuse (para. 3-44).
STEP 2. Check for defective circuit card.
Replace circuit card (para. 3-44).
STEP 3. Check for defective float switch.
Repair/replace float switch (para. 3-43).
STEP 4. Check for defective power supply.
Replace power supply (para. 3-44).
STEP 5. Check for defective receiver module.
Repair/replace receiver module (para. 3-44).
NAVIGATION - SEARCHLIGHTS
13. Lamp flashes internally without starting.
STEP 1. Check for bad lamp.
Replace lamp (para. 3-47).
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