S 424-010-N00
(2)
Put the interlock actuator in the correct position on the control
stand.
S 434-011-N00
(3)
Install the bolt through the support brackets of the control stand
and the fixed rod end of the interlock actuator.
NOTE: You must put a flat washer adjacent to the bolt head.
____
S 434-012-N00
(4) Install the flat washer and the nut on the bolt.
NOTE: Tighten the nut with your hand.
____
S 434-013-N00
(5) Install the bolt through the interlock mechanism and the adjustable
rod end of the interlock actuator.
NOTE: You must put a flat washer adjacent to the bolt head.
____
S 434-014-N00
(6) Install the flat washer and the nut on the bolt.
NOTE: Tighten the nut with your hand.
____
S 434-015-N00
(7)
Fully tighten the two nuts and install the locknuts.
S 434-017-N00
(8)
Install the applicable electrical connectors as follows:
(a)
DM 7986 ENG 1
(b)
DM 7987 ENG 2
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(c)
DM 7988 ENG 3
(d)
DM 7989 ENG 4
S 414-018-N00
(9)
Do this task: Install the Control Stand Side Panels
(Ref 76-11-03/201).
S 414-019-N00
(10)
Install the ceiling panels in the main passenger cabin
(Ref 25-22-01/401).
D.
Put the Airplane Back to Its Usual Condition.
S 444-020-N00
(1)
Do this task: Energize the Thrust Lever Position Resolvers (Ref 76-11-03/201).
S 444-024-N00
(2)
Do this task: Energize the Reverse Thrust Lever Interlock Actuator (Ref 76-11-03/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
REVERSE THRUST LEVER INTERLOCK ACTUATOR - ADJUSTMENT/TEST
_________________________________________________________
1. General
_______
A. The reverse thrust lever interlock actuator is referred to as the interlock actuator in this procedure. The interlock actuator is found in the forward area of the control stand.
B. You must do this adjustment procedure to make sure the interlock actuator operates correctly during the operation of the thrust reverser.
TASK 78-34-03-825-001-N00
2. Reverse Thrust Lever Interlock Actuator Adjustment
__________________________________________________
A. Equipment
(1)
Power Source - 28 volt dc.
B.
References
(1)
78-34-03/401, Reverse Thrust Lever Interlock Actuator
C.
Access
(1)
Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
D.
Adjust the Interlock Actuator (Fig. 501).
S 025-002-N00
(1)
Remove the interlock actuator from the control stand (Ref 78-34-03/401).
S 865-003-N00
(2)
Do these steps to motor the interlock actuator to the retract position:
(a)
Connect a 28 volt dc power source to pin 6 of the electrical connector that attaches to the applicable interlock actuator: 1) DM 7986 ENG 1 2) DM 7987 ENG 2 3) DM 7988 ENG 3 4) DM 7989 ENG 4
(b)
Ground pins 8 and 10 of the applicable electrical connector: 1) DM 7986 ENG 1 2) DM 7987 ENG 2 3) DM 7988 ENG 3 4) DM 7989 ENG 4
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