5) Tighten the nuts (64) on the alumel studs to 18-22
pound-inches (2.0-2.5 newton-meters).
6) Tighten the nuts (65) on the chromel studs to 15-18
pound-inches (1.7-2.0 newton-meters).
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7) Install the lockwire or safety cable and safety cable ferrule from the coupling nut to the adapter.
8) Tighten the bolt that attaches the clamp and the ground strap to the bracket on the housing to 36-40 pound-inches (4.067-4.519 newton-meters).
(m) ENGINES POST-PW-SB 73-161; Connect the EEC wire harness to the thermocouple probe (71): 1) Connect the lugs (44) of the EEC wire harness to the studs
of the thermocouple probe (71) and loosely install the nuts (64 and 65) and washers (66 and 70). 2) Loosely install the clamp, ground strap and bolt to the bracket on the housing.
CAUTION: TOO MUCH TORQUE (MORE THAN THE MAXIMUM TORQUE) ON THE
_______ THERMOCOUPLE PROBE NUTS CAN LOOSEN OR DAMAGE THE THERMOCOUPLE STUDS.
3) Tighten the nuts (64) on the alumel studs to 18-22 pound-inches (2.0-2.5 newton-meters). 4) Tighten the nuts (65) on the chromel studs to 15-18 pound-inches (1.7-2.0 newton-meters).
5) Tighten the bolt that attaches the clamp and the ground strap to the bracket on the housing to 36-40 pound-inches (4.067-4.519 newton-meters).
(n) Install the main fuel supply hose (10) and the bracket (18): 1) Put the gasket (21), main fuel supply hose (10), and
bracket (18) on the inlet port of the fuel pump (11). 2) Lubricate the threads of the bolts (19) with engine oil. 3) Install the main fuel supply hose (10) and the bracket (18)
to the inlet port of the fuel pump (11) with the bolts (19) and the washers (20). 4) Tighten the bolts (19) to 100-140 pound-inches (11.3-15.9 newton-meters).
S 414-118-N00
(8)
Install the fuel bypass valve (AMM 73-11-07/401).
S 414-121-N00
(9)
Connect the electrical connector DM3108 (39A) to the FMU (6):
(a)
Remove the cap from the electrical connector (39A).
(b)
Connect the electrical connector (39A) to the FMU (6).
G.
Return the aircraft to its usual condition
S 414-095-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______
THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS,
INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(1) Close the thrust reversers (AMM 78-31-00/201).
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 414-092-N00
(2) Close the core cowl panels (AMM 71-11-06/201).
S 414-091-N00
(3) Close the fan cowl panels (AMM 71-11-04/201).
S 444-093-N00
(4) Do the activation procedure for the thrust reversers (AMM 78-31-00/201).
S 864-059-N00
(5) For the applicable engine, remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Main Power Distribution Panel 1) 6G01, FUEL SHUTOFF VALVE ENG 1 2) 6G23, ENG SCU 1 3) 6L10, FUEL CONT VALVE ENG 1 4) 6G02, FUEL SHUTOFF VALVE ENG 2 5) 6G24, ENG SCU 2 6) 6L11, FUEL CONT VALVE ENG 2 7) 6G03, FUEL SHUTOFF VALVE ENG 3 8) 6G25, ENG SCU 3 9) 6L12, FUEL CONT VALVE ENG 3 10) 6G04, FUEL SHUTOFF VALVE ENG 4 11) 6G26, ENG SCU 4 12) 6L13, FUEL CONT VALVE ENG 4
S 864-060-N00
(6) For the applicable engine, remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Main Power Distribution Panel 1) 6F01, IGN 1 ENG 1 2) 6G19, STBY IGN ENG 1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 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 发动机燃油和控制 1(28)
