TM 10-4610-239-24
TM 08580B-24/3
Table 3-1. Direct Support Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
BOOSTER PUMP ASSEMBLY - Continued
PUMP ELECTRIC MOTOR FAILS TO START WHEN BOOSTER PUMP SWITCH IS SET TO START - Continued
Step 11.
Check continuity between CB6 terminals L1, L2, and L3 and J1 pins A, B, and C
respectively.
If all three measurements indicate continuity, go to step 12.
If all three measurements do not indicate continuity, repair wire leads
W26, W27, and W28. Refer to para raph 3-39.
Step 12.
Check continuity between CB6 terminals L1, L2, and L3 and terminals T1, T2,
and T3 respectively.
If all three measurements indicate continuity, repair wiring harness
W39. Refer to paragraph 3-39.
If all three measurements do not indicate continuity, replace CB6. Refer
DISTRIBUTION PUMP ASSEMBLY
WARNING
Electrical high voltage can cause serious injury or death. Some tests performed in
troubleshooting require power to be connected. Always take proper measures to ensure
personal safety.
NOTE
Ensure that all circuit breakers are set. Refer to figure FO-3 for schematic diagram and figure FO-4 for interconnection
diagram. Refer to figure 3-1 for control box support diagram, figure 3-2 for junction box support diagram, and figure 3-5
for distribution pump assembly support diagram.
PUMP ELECTRIC MOTOR FAILS TO START WHEN DISTRIBUTION PUMP SWITCH IS SET TO START
Step 1.
Push overload plunger on K5. Set DISTRIBUTION PUMP switch to START and
release. Check position of overload plunger.
If plunger stays in, go to step 2.
If plunger does not stay in, go to step 7.
3-23
