(b)
At the strut to wing interface above the closure spar:
~............................................................. |Nac. Strut 1 | Nac. Strut 2 | Nac. Strut 3 | Nac. Strut 4 | ...............................................................
| D7528P | D7538P | D7548P | D7568P | ............................................................... | D7529P | D7539P | D7549P | D7569P | ............................................................... | D7530P | D7540P | D7550P | D7537P | ............................................................... | D7531P | D7541P | D7551P | D7547P | ............................................................... | D7532P | D7542P | D7552P | D7567P | ............................................................... | D7533P | D7543P | D7553P | D7564P | ............................................................... | D7534P | D7544P | D7554P | D12038P | ............................................................... | D12040P | D12041P | D12042P | D12043P | 2.............…...............…...............…...............1
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747-400 MAINTENANCE MANUAL
(c) At the strut to wing interface aft of the torque bulkhead:
~............................................................. |Nac. Strut 1 | Nac. Strut 4 | | | ...............................................................
| D8450P | D8453P | | | ............................................................... | D8451P | D8454P | | | 2.............…...............…...............…...............1
S 344-131
(14)
Apply sealant (BMS5-79) around the tubes and wire bundles that pass through the strut (AMM 54-53-01/201).
S 864-082
(15)
Supply the electrical power to the nacelle strut (AMM 24-22-00/201)
S 414-083
(16)
Install the thrust reverser halves (AMM 78-31-01/401).
S 414-084
(17)
Install the engine (AMM 71-00-02/401).
S 864-085
(18)
Make sure that the engine fuel and hydraulic fluid shutoff valves are open.
S 864-116
(19)
Make sure that the electrical plugs are connected to the valves.
S 864-087
(20)
Make sure that the external electrical power is connected.
(21)
Make sure that the airplane ground leads are removed.
S 734-089
(22)
Do the applicable test(s) in the power plant test reference table (AMM 71-00-00/501).
(23)
Do the hydraulic system external leakage check (AMM 29-11-00/601).
(24)
Do a test on the wing thermal anti-ice system (AMM 30-11-00/501).
S 864-117
S 734-092
S 734-094
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S 944-118
CAUTION: REMOVE ALL OF THE TOOLS, AND LOOSE UNWANTED MATERIAL IN THE
_______ STRUT. THESE COULD CAUSE A BLOCKAGE TO THE STRUT DRAIN SYSTEM.
(25)
Remove the tools, and loose unwanted materials from the strut before you install the access doors.
S 414-097
(26)
On inboard struts, install 12 screws and washers that attach the lower section of the web to the fixed fairing support.
(a) This is found at Nac. Sta. 399 at the aft edge of the TE fairing doors.
S 414-099
(27) On inboard struts, install the forward fixed fairing.
S 414-100
CAUTION: MAKE SURE THAT THE SUPPORT RODS ARE TIGHTENED WHEN
_______ THE TE FAIRING DOORS ARE CLOSED. SUPPORT RODS THAT ARE LOOSELY HELD CAN CAUSE DAMAGE TO THE DIAGONAL BRACE.
(28)
Close the TE fairing doors (AMM 54-62-00/201).
S 434-132
(29)
Install the door support rods on the torque bulkhead.
S 414-101 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 NACELLES/PYLONS(14)
