TM10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
Table 3-1. Direct Support Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
DISTRIBUTION 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. Remove power at power source and check if continuity exists through pump cable
assembly
a. If continuity exists through cable assembly, repair pump Refer to paragraph 3-13
Step 7. Check for continuity of control circuits as follows; make additional point-to-point
checks as necessary to isolate fault to a specific component:
NOTE
To measure continuity through K5 contacts, it is necessary to
physically close contacts by pushing In on relay plunger
L3, CB4
- J8(P)
J9(P) -
J9(G) and (H)
P9(P) -
P8(P)
P9(G) -
P8(G)
P9(H)-
P8(H)
J8(G) -
K5(2)
J8(H) -
K5(3)
K5(2) -
K5(A2) (see above note)
Jl/J10
- K5(A1)
K5(A2)
- K5(A1) (Required value is 450-600 ohms)
a. If continuity does not exist through switches S13 and S5 (switches closed) replace defective switch Refer
heater assembly
d. If continuity is absent through cable assembly, W52 repair cable assembly Refer to paragraph 3-22.
3-24