TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
Table 3-1. Direct Support Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ROWPU ASSEMBLY
1.
ALL PUMPS INOPERABLE (On Model WPES-2 "all Pumps" shall mean all but R.O. Pump).
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.
Check if 208 VAC, 3 phase power is supplied by generator. Refer to generator manual.
If 208 VAC, 3 phase power is not supplied, troubleshoot and repair generator.
Step 2.
Disconnect power cable at power input jack, J1 and check for 208 VAC between the following pins on
cable connector.
A-B, A-C, B-C
If power is not measured in all three tests, replace power cable. Refer to paragraph 3-32.
Step 3.
Perform a point-to -point continuity check of circuit A.
If continuity is absent, tighten loose connections or repair/replace defective wire.
Step 4.
Perform a point-to-point continuity check, circuit B.
a.
If continuity is absent through switch S13 (switch ON), replace defective switch.
Refer to
b.
If continuity is absent through cable assembly, W52, repair cable assembly. Refer to paragraph
c.
If continuity is absent through circuit breaker, CB9 (CB9 ON), replace CB9. Refer to paragraph
d.
If continuity is absent in wiring, tighten loose connections or repair/replace defective wire.
3-4
