27-41-01
ALL ú ú 01 Page 401 ú Sep 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
CONTROL
WHEEL
SWITCHES
CONTROL
WHEEL
SEE A
CONNECTOR
(EXAMPLE)
FWD
MEDALLION
CONTROL
WHEEL
SCREW SWITCH
SCREW
(2 LOCATIONS)
PUSH-TO-TALK
SWITCH CONTROL WHEEL
HANDLE
INSULATOR AUTOPILOT SWITCH
CONTROL WHEEL A
Control Wheel Switch Installation Figure 401
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27-41-01
ALL ú ú 01 Page 402 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 034-031
(3)
Disconnect the wires for the control wheel switch from the connectors in the control wheel hub.
S 034-007
(4)
Remove the screws that hold the control wheel switch to the control wheel handle.
S 494-008
(5)
Attach a wire guide to the end of the cable for the control wheel switch.
S 034-009
(6)
Pull the cable through the switch hole in the control wheel handle.
S 034-010
(7)
Disconnect the cable and let the wire guide stay in the control wheel handle.
TASK 27-41-01-424-011
3. Install the Control Wheel Switch________________________________
A. Equipment
(1)
Extraction/Insertion Tool - M15570-20
(Deutsch Company, Electronics Company Division,
700 S. Hathaway, Municipal Airport
Banning, CA 92220)
B.
Consumable Materials
(1)
G00961 Talcum Powder - Commercially Available
C.
References
(1)
24-22-00/201, Electrical Power - Control
(2)
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
D.
Access
(1)
Location Zones
211/212 Control Cabin
E.
Install the Control Wheel Switch (Fig. 401)
(1)
Apply talcum powder to the cable for the control wheel switch.
S 644-012
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27-41-01
ALL ú ú 01 Page 403 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 434-013
(2)
Attach the cable for the control wheel switch to the wire guide.
S 434-014
(3)
Pull the cable through the switch hole in the control wheel handle.
S 094-015
(4)
Disconnect the cable from the wire guide.
S 434-016
(5)
Put the insulator between the cable for the control wheel switch and the interphone switch wires.
S 434-017
(6)
Pull the cable through the control wheel until the control wheel switch and the guard assembly are set correctly.
S 434-018
CAUTION:_______DO NOT TIGHTEN THE SCREWS TOO MUCH. DAMAGE TO THE SWITCH HOUSING CAN OCCUR.
(7)
Install the screws that attach the control wheel switch to the control wheel handle.
(a)
Tighten the screws to 4 | 0.5 pound-inches
(0.45 +/- 0.05 newtons).
S 434-019
(8)
Attach the wires for the control wheel switch to the connectors in the control wheel hub.
F.
Control Wheel Switch Test
S 864-020
(1)
Turn the control wheel through five cycles of full travel.
S 214-021
(2)
Make sure the cables for the control wheel switches are not pulled when you turn the control wheel.
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