TASK 76-11-03-862-115-N00
40. Energize the Fuel Control Toggle Switches (Fig. 201)
_________________________________________
A. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
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76-11-03
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
B. Procedure
S 862-116-N00
WARNING: MAKE SURE YOU KEEP THE CIRCUIT BREAKERS FOR THE ENGINE IGNITION
_______ OPEN WHILE THE CIRCUIT BREAKERS FOR THE FUEL CONTROL VALVE ARE OPEN. THE IGNITER PLUGS WILL AUTOMATICALLY FIRE IF YOU ARE OUT OF ZERO DETENT, NACELLE ANTI-ICE IS ON, CON IGNITION SWITCH IS SET TO "ON", OR ENGINE START SWITCH IS PULLED TO "ON". IF THE COMBUSTION CHAMBER HAS FUEL IN IT, AN INTERNAL ENGINE OR A TAILPIPE FIRE CAN OCCUR. THE FIRE CAN CAUSE INJURY TO PERSONS OR DAMAGE TO THE ENGINE.
(1) Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) 6F1 IGN 1 ENG 1
2) 6F2 IGN 1 ENG 2
3) 6F3 IGN 1 ENG 3
4) 6F4 IGN 1 ENG 4
5) 6G1 FUEL SHUTOFF VALVE ENG 1
6) 6G2 FUEL SHUTOFF VALVE ENG 2
7) 6G3 FUEL SHUTOFF VALVE ENG 3
8) 6G4 FUEL SHUTOFF VALVE ENG 4
9) 6G19 IGN 1 ENG 1
10) 6G20 IGN 2 ENG 2
11) 6G21 IGN 2 ENG 3
12) 6G22 IGN 2 ENG 4
13) 6K19 STBY IGN ENG 1
14) 6K20 STBY IGN ENG 2
15) 6K21 STBY IGN ENG 3
16) 6K22 STBY IGN ENG 4
17) 6L10 FUEL CONT VALVE ENG 1
18) 6L11 FUEL CONT VALVE ENG 2
19) 6L12 FUEL CONT VALVE ENG 3
20) 6L13 FUEL CONT VALVE ENG 4
TASK 76-11-03-442-117-N00
41. Activation Procedure for the Autothrottle Servomotor (Fig. 201)____________________________________________________
A. Access
(1)
Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
B.
Procedure
S 862-118-N00
(1) Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P7 Overhead Circuit Breaker Panel
1) 7C4 FMCS A/T SERVO L
2) 7C25 FMCS A/T SERVO EXC
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76-11-03
ALL ú ú N02 Page 260 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
3) 7C26 FMCS A/T SERVO R
TASK 76-11-03-862-119-N00
42. Energize the Reverse Thrust Lever Interlock Actuators (Fig. 201)
_____________________________________________________
A. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
B. Procedure
S 862-120-N00
(1) Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel 1) 6F12 T/R IND ENG 1 2) 6E12 T/R IND ENG 2 3) 6D12 T/R IND ENG 3 4) 6C12 T/R IND ENG 4
TASK 76-11-03-862-121-N00
43. Energize the Thrust Lever Switches (Fig. 201)
__________________________________
A. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
B. Procedure
S 862-122-N00
(1) To energize the control switches for the thrust reverser, close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel 1) 6F13 T/R CONT ENG 1 2) 6E13 T/R CONT ENG 2 3) 6D13 T/R CONT ENG 3 4) 6C13 T/R CONT ENG 4
TASK 76-11-03-862-123-N00
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