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. 2 - continued
2.
RAW WATER PUMP NO. 2 CIRCUIT BREAKER (CB4) 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 CB4 and disconnect wires from T1, T2 and T3 of CB4.
Step 2.
Turn on power.
If circuit breaker CB4 trips, check for bare/disconnected wires in junction box and tighten/replace them.
If trouble persists, replace CB6 Refer to paragraph 3-49.
Step 3.
Remove power at power source, reconnect wires to CB4 and disconnect wires from heater assembly at
T1, T2 and T3.
Step 4.
Turn on power.
If heaters trip, check for defective heaters, replace as necessary (paragraph 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, repair cable assembly Refer to paragraph 3-8.
b.
If cable assembly is not defective, repair pump Refer to paragraph 3-10.
3-60
