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
BOOSTER PUMP ASSEMBLY - 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 if continuity exists through pump cable assembly.
If continuity exists, repair pump. Refer to paragraph 3-32.
If continuity does not exist, repair pump cable assembly. Refer to paragraph 3-29.
Step 7.
Check for continuity/resistance of control circuits and as follows; make additional point-to-point checks as
necessary to isolate fault to a specific component.
NOTE
To measure continuity thru K6 contacts it is necessary to physically close
contacts by pushing in on relay plunger.
CB5, L3
-
J8(P)
J9 (P)
-
P8(J)
P9(J)
-
P8(J)
P9(I)
-
P8(I)
P9(P)
-
P8(P)
J8 (I)
-
K6 (A2) (See above note)
J8 (J)
-
K6 (3)
K 6 (A2)
-
K6 (A1) (Required value is 450 - 600 ohms)
J1/J10(N)
-
K6(A1)
a.
If continuity does not exist through switches, S13 and S6 (switches ON), replace them. Refer to
b.
If continuity does not exist thru circuit breaker CB9 (CB9 ON), replace CB9 Refer to paragraph 3-
49.
c.
If continuity does not exist through heater assembly, replace defective heater (para 3-49) and
reset heater assembly.
3-18
