Table 3-1. Direct Support Troubleshooting - continued
TEST OR INSPECTION
REVERSE OSMOSIS (R.O.) PUMP ASSEMBLY - continued
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 6. Perform a continuity check of power circuit as follows; make additional point-to-point
checks as necessary to find defective component:
To check continuity through K1, it is necessary to physically push
up relay plunger while making the check
J1, A - J6(A)
J1, B - J6(B)
J1, C - J6(C)
b. If continuity is absent through CB1, replace CB1. Refer to paragraph 349.
d. If continuity is absent through wires, tighten loose connections or replace defective wire.