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
RAW WATER PUMP ASSEMBLY NO 1 - continued
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 6.
Check continuity of pump cable assembly.
a.
If open, repair pump cable assembly Refer to paragraph 3-8.
b.
If pump cable assembly is not defective, repair pump Refer to paragraph 3-10.
Step 7.
Check for continuity through control circuit as follows; make additional point-to-point continuity checks
as necessary to isolate fault to a specific component.
NOTE
To measure continuity through K3 it is necessary to close K3 by physically pushing relay handle
up.
L3, CB2
-
J8(P)
J9(P)
-
J((C) and (D)
P9(P)
-
P8(P)
P9(C)
-
P8(C)
P9(D)
-
P8(D)
J8(C)
-
K3(2)
J8(D)
-
K3(3)
K3(2)
-
K3(A2) (See above note)
K3(A1)
-
K3(A2) (90-120ohms)
J1/J1O(N)
-
K3(A1)
a.
If switch S13 or S3 is open (switches ON) replace it. Refer to paragraph 3-45.
b.
If continuity does not exist through CB9 (CB9 ON), replace CB9. Refer to paragraph 3-49.
c.
If cable assembly, W52 is open, repair cable assembly. Refer to paragraph 3-22..
d.
If continuity is not measured through heater assembly, replace defective heaters (para 3-49) and
reset heater assembly.
3-52
