C. Prepare for the Removal
S 864-003
(1) Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11B18, WARN ELEX B
(b)
11J33, WARN ELEX A
D. Procedure
S 014-004
(1)
Remove the left access panel from the aisle control stand.
S 034-005
(2)
Remove the two screws from the speed brake handle position switch.
S 034-006
(3)
Remove the wire-bundle connectors.
S 034-007
(4)
Disconnect the switch wires from the terminal blocks.
S 024-008
(5)
Remove the speed brake handle position switch from the mechanism.
TASK 31-51-03-404-009
3. Speed Brake Handle Position Switch Installation (Fig. 401)
_______________________________________________
A. References
(1)
24-22-00/201, Electrical Power - Control
(2)
27-62-00/501, Auto Speedbrake Control System
B. Consumable Materials
(1) Heat-shrink
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AISLE CONTROL STAND
GROUNDING TERMINALBLOCK, BLOCK, TB219GD601DC SEE A
INBD AFT
AUTO SPEED BRAKE ARMING SWITCH, S371 (REF 27-62-06)
MOUNTING ELECTRICAL WIRES
SCREWS (CONNECTED TO TB219)
SPEED BRAKE HANDLE POSITION SWITCH, S493SEE B
SPEED BRAKE
MECHANISM
PLATE
A
Speed Brake Handle Position Switch
Figure 401 (Sheet 1)
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CAM FOLLOWER (DETENT LEVER) BEARING DETENT LEVER
A
DETENT LEVER AND SWITCH ROLLERS
(SPEED BRAKE HANDLE DOWN POSITION)
A-A
NORMAL TRACKING TRACKING LIMITS TRACKING LIMITS S493 SWITCH
THE OUTER EDGE OF THE BEARING SHOULD NOT EXTEND OVER THE TRACK FOR THE FULL RANGE OF CAM MOTION
0.03 INCH MAXIMUM (EITHER SIDE)
0.002 INCH MINIMUM CLEARANCE OVER THE FULL TRACK
Speed Brake Handle Position Switch Figure 401 (Sheet 2)
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C. Access
(1) Location Zones
211/212 Flight Compartment
D. Prepare for Installation 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 仪表 CHAPTER 31 - INSTRUMENTS 2(136)
