747-400 AMM 飞机维护手册 机载辅助动力 1(91)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 (j) (k)  Attach the primary section of the harness to the engine with the three clamps (27), the three bolts (10, 12, and 26), and the three nuts (8).Connect the P9 connector (25) to the P1 pressure sensor.
 NOTE:____ The connector is fully tightened when you cannot see the red color band.
 (l)  Connect the P11 connector (23) to the thermocouple trim box.
 NOTE:____ The connector is fully tightened when you cannot see the red color band.
 (m)  Connect the P12 connector (24) to the identification unit for the serial number.
 NOTE:____ The connector is fully tightened when you cannot see the red color band.
 (n) (o)  Attach the wire harness to the inlet plenum with the clamp (29) and the bolt (26).Attach the wire harness to the inlet plenum with the clamp (31), the bolt (22), and the spacer (36).
 NOTE:____ This clamp also attaches the electrical ground terminal to the engine.
 (p)  Connect the P10 connector (19) to the air temperature sensor (T1).
 NOTE:____ The connector is fully tightened when you cannot see the red color band.
 (q)  Attach the P10 section of the harness to the inlet plenum with the clamp (20), the bolt (22), and the spacer (36).

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 ALL  ú ú 04 Page 418 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (r)  Attach the P10 section of the harness to the bracket with the
 clamp (20), the bolt (21), and the spacer (36).
 NOTE:____ The spacer must be installed between the bracket and
 the inlet plenum duct.
 (s)  Connect the P5 connector (2) to the oil temperature sensor.
 NOTE:____ The connector is fully tightened when the locking
 indicator is in the orange area.
 (t)  Connect the P6 connector (1) to the ignition exciter.
 NOTE:____ The connector is fully tightened when the locking
 indicator is in the orange color area.
 (u)  Install the wire harness jumper (5) from the front wire harness

 along the P6 section of the rear wire harness. CAUTION: DO NOT CONNECT THE P7A CONNECTOR TO THE J7 CONNECTOR.
_______ THIS CAN CAUSE AN INCORRECT FAILURE AND A POSSIBLE AUTOMATIC SHUTDOWN.
 (v)  
Connect the P7A connector (17) to the low oil pressure switch. NOTE: The connector is fully tightened when you cannot see

____ the red color band.

 (w)  
Attach the J7 connector (13) to the bracket on the fuel pump with the four screws. 1) Tighten the screws to 10-12 pound-inches

 (4.0-4.6 newton-meters).
 CAUTION: DO NOT CONNECT THE P7A CONNECTOR TO THE J7 CONNECTOR.
_______ THIS CAN CAUSE AN INCORRECT FAILURE AND A POSSIBLE AUTOMATIC SHUTDOWN.
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 ALL  ú ú 04 Page 419 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (x)  Connect the P7 connector (15) to the J7 connector (13).
 NOTE: The connector is fully tightened when you cannot see
____
 the red color band.

 (y)  
Attach the P5 section of the harness to the brackets and the oil scavenge tube with the three clamps (9), the three bolts (10), and the three nuts (8).

 (z)  
Attach the P6 section of the harness and the wire harness jumper (5) to the brackets with the three clamps (6), the three bolts (3 and 10), and the three nuts (4 and 7).

 (aa) Attach the remaining section of the P6 harness to the brackets with the two clamps (6 and 16), the two bolts (10 and 18), and the two nuts (7 and 8).
 (ab) Attach the wire harness jumper (5) to the P6 section of the harness with the lacing tape:
 NOTE: The steps which follow apply to each of the four
____ locations. You must install the lacing tape in the approximate middle position between the clamps.
 1)  Make one loop around the wire harness jumper (5) with the lacing tape.
　
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