TM 1-1520-238-T-7
11–248
Change 4
11–31.
ASE BUCS CIRCUIT BREAKER – DOES NOT STAY CLOSED
11–31
8. Detach P413. Check for short between P441–B2
and ground.
Does short exist?
YES
Repair shorted wire between
P441–B2 and P413–B14.
Go to paragraph 11–23.
NO
Go to step 12.
9. Check for short between:
(A323) J5–A3 and ground,
(A323) J5–A4 and ground.
Does short exist?
YES
Repair shorted wire between:
(A323):
J5–A3 and TB3–3–J,
J5–A7 and TB3–3–K,,
J4–B12 and TB3–4–R,
J5–A4 and TB3–4–P,
J5–A10 and TB3–4–N.
Go to paragraph 11–23.
NO
Go to step 10.
10. Attach P493. Check for short between:
P499–A4 and ground,
P499–A10 and ground.
Does short exist?
YES
Repair shorted wire between:
P682–68 and P682 SP4,
P682–66 and P682 SP4,
P499–A10 and P682 SP4,
P686–61 and J402–B17,
P402–B17 and J756–22,
J215–SP1 and P756–24,
P756–22 and J215–SP1,
J756–24 and P402–B–19,
J402–B19 and P499–A4.
Go to paragraph 11–23.
NO
Go to step 11.
11. Check for short between P686–61 and ground.
Does short exist?
YES
Go to step 14.
NO
Repair shorted wire between
P499–A7 and P686–62.
Go to paragraph 11–23.
12. Detach P472. Check for short between
(A326)J10–B12 ground.
Does short exist?
YES
Repair shorted wire between
(A326):
J10–B12 and TB1–21–D,
J10–B14 and TB1–21–F,
J10–B5 and TB1–21–L,
J10–B13 and TB1–21–M,
J10–B15 and TB1–21–C,
J10–B6 and TB1–21–B,
J15–A17 and TB1–21–K,
J15–A18 and TB1–21–A,
J15–A19 and TB1–21–J,
J15–A20 and TB1–21–H.
Go to paragraph 11–23.
NO
Go to step 13.
13. Check for short between:
P413–B5 and ground,
P472–A17 and ground,
P413–B12 and ground,
P472–A18 and ground,
P413–B13 and ground.
Does short exist?
YES
Go to paragraph 11–32.
NO
Go to paragraph 11–33.
