TM 1-1520-238-T-5
7–126
7–43.
EMERG HYD CIRCUIT BREAKER – DOES NOT STAY CLOSED (cont)
7–43
8. Check for short between (A331)S2–2 wire ends
and ground.
Does short exist?
YES
Repair shorted wire between:
P190–7 and P527–A6,
J527–A6 and (A331)S2–2.
Go to paragraph 7–21.
NO
Replace pilot EMERG HYD
pressure switch
(TM 1-1520-238-23).
9. Check for short between (HP2)J1–11 and
chassis ground.
Does short exist?
YES
Go to step 10.
NO
Go to step 12.
10. Remove utility hydraulic pressure transducer
(TM 55–1520–238–23). Check for short between
(HP2)J1–11 and chassis ground.
Does short exist?
YES
Replace utility hydraulic
manifold (TM 1-1520-238-23).
NO
Replace utility hydraulic
pressure transducer
(TM 1-1520-238-23).
11. Detach wire at (A402)TB2–9–J. Check for short
between P463–m and ground.
Does short exist?
YES
Repair shorted wire between:
P463–m and P441–A2,
P441–A5 and P239–6.
(A402):
J24–A2 and TB2–9–K,
TB2–9–L and J24–A5.
Go to paragraph 7–21.
NO
Repair shorted wire between:
P442–A3 and P238–11,
P238 SP2 and P238–9.
(A402):
TB2–9–J and J5–A3.
Go to paragraph 7–21.
12. Remove emergency hydraulic pressure
transducer (TM 1-1520-238-23). Check for short
between (HP2)J1–9 and chassis ground.
Does short exist?
YES
Replace utility hydraulic
manifold (TM 1-1520-238-23).
NO
Replace emergency hydraulic
pressure transducer
(TM 1-1520-238-23).
END OF TASK
