TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
Table 3-1. Direct Support Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
RAW WATER PUMP ASSEMBLY NO. 1 - continued
2.
RAW WATER PUMP CIRCUIT BREAKER (CB3) AND/OR OVERLOAD HEATERS TRIP.
WARNING
High voltages in this equipment can cause serious injury or death. When applying power during a
test, take proper measures to ensure personal safety. Never work on electrical equipment unless
there is another person nearby who is familiar with the operation and hazards of the equipment
and who is competent in administering first aid.
Step 1.
Remove power at power source, reset CB3 and disconnect wires from T1, T2 and T3 of CB3.
Step 2.
Turn on power.
If circuit breaker CB3 trips, check for bare/disconnected wires injunction box and tighten/replace them.
If trouble persists, replace CB3 Refer to paragraph 3-49.
Step 3.
Remove power at power source, reconnect wires to CB3 and disconnect wires from K3 heater
assembly at T1, T2 and T3.
Step 4.
Turn on power.
If heater assembly is tripped, check for defective heaters, replace as necessary (para 3-49) and reset
heater assembly.
Step 5.
Remove power at power source, reconnect wires to heater assembly and disconnect wires from pump
motor.
Step 6.
Check pump cable assembly for continuity and shorts.
a.
If a short is indicated, replace cable assembly. Refer to paragraph 3-8.
b.
If pump cable assembly is not defective, repair pump. Refer to paragraph 3-10.
3-54
