TM 10-4610-239-24
TM 08580B-24/3
Table 3-1. Direct Support Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
DISTRIBUTION PUMP ASSEMBLY - Continued
PUMP ELECTRIC MOTOR FAILS TO START WHEN DISTRIBUTION PUMP SWITCH IS SET TO START - Continued
Step 15.
Disconnect distribution pump cable connector P5 from ROWPU. Refer to
interconnect diagram figure FO-4. Check continuity between wire lugs on end
of cable and P5-D.
If there is continuity between a wire lug and P5-D, go to step 16.
If there is no continuity between any wire lug and P5-D, repair
distribution pump cable assembly. Refer to paragraph 3-17.
Step 16.
Refer to interconnect diagram figure FO-4. Check continuity between terminal
board TB 3-3 and junction box ground terminal El.
If there is continuity, repair cable W9. Refer to paragraph 3-17.
If there is no continuity, repair wiring harness W39. Refer to paragraph
Step 17.
Check continuity between CB5 terminals L1, L2, and L3 and J1 pins A, B, and
C respectively.
If all three measurements indicate continuity, go to step 18.
If all three measurements do not indicate continuity, repair wire leads
W23, W24, and W25. Refer to paragraph 3-39.
Step 18.
Check continuity between CB5 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 CB5. Refer
3-29
