78-34-03
ALL ú ú N01 Page 401 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 044-022-N00
(2)
Do this task: De-engergize the Thrust Lever Position Resolvers (Ref 76-11-03/201)
D.
Remove the Interlock Actuator (Figs. 401 and 402).
S 014-023-N00
(1)
Do this task: Remove the Control Stand Side Panels (Ref 76-11-03/201).
S 014-004-N00
(2)
Remove the ceiling panels in the main passenger cabin, below the control stand, to get access to the interlock actuator (Ref 25-22-01/401).
S 034-005-N00
(3)
Disconnect the applicable electrical connector as follows:
(a)
DM 7986 ENG 1
(b)
DM 7987 ENG 2
(c)
DM 7988 ENG 3
(d)
DM 7989 ENG 4
S 034-006-N00
(4)
Remove the nut and the bolt from the interlock mechanism and the adjustable rod end of the interlock actuator.
S 034-007-N00
(5)
Remove the nut and the bolt from the fixed rod end of the interlock actuator and the control stand support brackets.
S 024-008-N00
(6)
Remove the interlock actuator from the control stand.
TASK 78-34-03-404-009-N00
3. Install the Reverse Thrust Lever Interlock Actuator
___________________________________________________
A. References
(1) 25-22-01/401, Main Deck Access Ceiling Panels
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78-34-03
ALL ú ú N01 Page 402 ú Oct 10/91
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REVERSE THRUST
FORWARD THRUST
LEVER
LEVER
SEE A
THRUST LEVER
ASSEMBLY
AUTOTHROTTLE
SEE B
SERVOMOTOR AND BRAKE MECHANISM REVERSE THRUST
ASSEMBLY LEVER INTERLOCK ACTUATOR
REVERSE THRUST
LEVER INTERLOCK
ACTUATOR
(4 LOCATIONS) REVERSE THRUST
LEVER INTERLOCK
MECHANISM
A
REVERSE THRUST
REVERSE THRUST
LEVER INTERLOCK
LEVER INTERLOCKMECHANISM ACTUATOR
BOLT, ADJUSTABLE ROD END
BOLT, FIXED
ROD END
SEE CCONTROL STAND SUPPORT BRACKET
B
FWD
FWD
C
Reverse Thrust Lever Interlock Actuator Installation
Figure 401
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78-34-03
ALL ú ú N01 Page 403 ú Jun 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
EFIS/EICAS INTERFACE UNIT (E2-6 RACK)
NOTE:ENG 2, ENG 3, AND ENG 4 ARE EQUIVALENT.
1
IF W/A SHOWS THAT THE SWITCH IS NOT CLOSED, ADJUST THE CHANNEL.
IF W/A SHOWS THAT THE SWITCH IS CLOSED,
SET THE BIT IN THE MAINTENANCE WORD - LIMITED DISPATCH.
Reverse Thrust Lever Interlock Actuator Installation
Figure 402
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78-34-03
ALL ú ú N01 Page 404 ú Feb 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(2)
76-11-03/201, Control Stand
(3)
78-34-03/501, Reverse Thrust Lever Interlock Actuator
(4)
IPC 78-34-03 Fig. 5
B.
Access
(1)
Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
C.
Install the Interlock Actuator (Fig. 401 and 402).
S 824-021-N00
(1)
Do this task: Reverse Thrust Lever Interlock Actuator Adjustment
(Ref 78-34-03/501).
