S 424-038
(6)
Align the valve body (8) with the mounting flange on the support bracket (10).
S 214-039
(7)
Make sure the metal bonding surfaces on the support bracket (10) and the valve body (8) are clean.
S 434-040
(8)
Install the four screws (5) and washers (6) to attach the mounting flange on the support bracket (10) to the valve body (8).
(9)
Install the four nuts (7) on the screws (5).
(10)
Apply the sealant to the screw fillets (AMM 51-31-01/201).
S 764-043
(11)
Make sure the bonding resistance between the valve body and the airplane structure is not more than 0.01 ohms (AMM 20-10-21/601).
S 434-044
(12)
Install the flexible full couplings (9) between the valve body (8) and the fuel line (AMM 28-25-05/401).
S 434-041
S 394-042
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28-22-02
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757
MAINTENANCE MANUAL
S 414-046
(13)
Install the baffle doors 134DZ, 134CZ, and 134BZ (AMM 06-41-00/201).
S 414-047
(14)
Install the center tank access door (AMM 28-11-02/401).
S 714-048
(15)
Do the Test of the Engine Fuel Crossfeed Valve Operation procedure.
TASK 28-22-02-714-095
7. GUN 001-010, 051, 101-104; Test of the Engine Fuel Crossfeed Valve Operation
__________________________________________________
A. References
(1)
AMM 24-22-00/201, Electrical Power Control
B.
Access
(1)
Location Zones
211 Control Cabin - Section 41 (Left)
212 Control Cabin - Section 41 (Right)
C.
Procedure
S 864-048
(1)
Supply electrical power (AMM 24-22-00/201).
S 864-049
(2)
Close this circuit breaker on the overhead circuit breaker panel, P11:
(a)
11D36, FUEL CROSSFEED
S 864-050
(3)
Push the CROSSFEED VALVE switch-light on the overhead panel, P5 to the open position.
S 214-051
(4)
Make sure the flowbar comes on.
S 214-052
(5)
Make sure the VALVE light comes on and then goes off.
S 864-054
(6)
Push the CROSSFEED VALVE switch-light on the P5 panel to the closed position and do the steps that follow:
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(37)
