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
REVERSE OSMOSIS (R.O.) PUMP ASSEMBLY - continued
Step 6.
Perform continuity check of R O pump motor cable assembly.
a.
If pump motor cable assembly is open, repair it. Refer to paragraph 3-21.
b.
If pump motor cable is not defective, repair pump motor. Refer to paragraph 3-38.
Step 7.
Check jog circuit for continuity as follows' make additional point-to-point continuity checks as
necessary to isolate faulty component.
J1(C)
-
P8 (P)
J9(P)
-
J9 (M)
P9(P)
-
P8 (P)
P9(M)
-
P8 (M)
J8(M)
K1 (A2)
K1(A1)
-
K1 (A2) (90 - 120 Ohms)
J1(N)
-
K1 (AI)
a.
If switches, S13 or S12 are defective (switches ON), replace them. Refer to paragraph 3-45.
b.
If CB9 is open (CB9 ON), replace CB9 Refer to paragraph 3-49.
c.
If cable assembly, W-52 is defective, repair it. Refer to paragraph 3-22.
d.
If relay K1 is open and/or 90-120 Ohms is not measured between A1 and A2, replace motor
starter. Refer to paragraph 3-49.
e.
If heater assembly is open, replace defective heaters (para 3-49) and reset heater assembly.
f.
If wires are open, tighten loose connections or replace defective wire.
3-48
