(2)
Access Panels
551BB Access Panel (Left)
651BB Access Panel (Right)
D.
Procedure
S 984-008
(1) Move the manual override handle of the actuator to the CLOSED position.
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S 824-009
(2) Align the actuator output shaft with the adapter shaft.
S 214-018
(3) Make sure the two spaces for teeth on the adapter shaft align with
the actuator output shaft.
S 424-026
(4) Put the actuator output shaft into the adapter shaft.
NOTE:____ The mounting feet on the actuator automatically align
with the mounting points on the adapter plate.
S 424-010
(5)
Install the four actuator mounting screws and washers to attach the actuator to the adapter plate.
S 434-019
(6)
Install the lockwire on the actuator mounting screws.
S 434-020
(7)
Install the screw to connect the bonding jumper to the actuator.
S 224-012
(8)
Make sure the bonding resistance between the bonding jumper and the airplane structure is not more than 0.005 ohms (AMM 20-10-21/601).
S 724-031
WARNING: OBEY THE APPLICABLE SHOP PROCEDURES FOR MAINTENANCE ON
_______ ENERGIZED ELECTRICAL SYSTEMS. SHORT CIRCUIT AND ELECTRICAL SHOCK TO PERSONS CAN OCCUR.
(9)
Do these steps to do a check of each of the two redundant wires that supply power to close the engine fuel spar valve:
(a)
Open these circuit breakers on the P6 panel and attach DO-NOT-CLOSE tags: 1) 6E1, L SPAR VALVE
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(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
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2) 6E2, R SPAR VALVE 3) 6H1, FIRE EXTINGUISHING ENG L BTL1 4) 6H2, FIRE EXTINGUISHING ENG L BTL 2 5) 6H3, FIRE EXTINGUISHING ENG R BTL 1 6) 6H4, FIRE EXTINGUISHING ENG R BTL 2Put the left engine fuel control switch, found on the P10 quadrant panel, to the CUTOFF position.Put the right engine fuel control switch, found on the P10 quadrant panel, to the CUTOFF position.Put the left engine fire switch, found on the P8 quadrant panel, to the NORMAL position.Put the right engine fire switch, found on the P8 quadrant panel, to the NORMAL position.To do a check of the left spar valve, disconnect the connector for the left spar valve actuator, D2142.To do a check of the right spar valve, disconnect the right spar valve actuator, D2022.Remove the DO-NOT-CLOSE tags and close these circuit breakers: 1) Main Power Distribution Panel, P6:
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(96)
