WASHER
AIRPLANES WITH CABLE ACTUATED SWITCHES A
Stabilizer Trim Cutout Switch Installation Figure 401 (Sheet 1)
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A

737-300/400/500
MAINTENANCE MANUAL

SEE B
CONTROL STAND
BRACKET
SWITCH
GUARD

MAIN
CUTOUT SWITCH,
S272 (FAR SIDE)

AUTOPILOT
CUTOUT SWITCH,
S149 (NEAR SIDE)

WIRE TERMINALS
CONTROL
STAND

FWD
AIRPLANES WITH TOGGLE SWITCHES
B
Stabilizer Trim Cutout Switch Installation Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 024-009
 (4)  
AIRPLANES WITH THE CABLE ACTUATED SWITCHES;
 Remove the cutout switch:

 (a)  
Disconnect the cable.

 (b)  
Remove the boot from the cutout switch.

 (c)  
Remove the bracket screws.

 (d)  
Remove the switch mounting screws.

 (e)  
Disconnect the electrical connector.

 (f)  
Remove the cutout switch.

 S 024-010
 (5)  
AIRPLANES WITH THE TOGGLE SWITCHES;
 Remove the cutout switch:

 (a)  
Make a note and tag the terminal numbers on wire for the installation of the cutout switch.

 (b)  
Remove the wire terminals from the cutout switch.

 (c)  
Remove the cutout switch from the airplane.

 TASK 27-41-91-404-005
 3.  Stabilizer Trim Cutout Switches Installation (Fig. 401)____________________________________________
 A. Special Tools and Equipment
 (1)  
AIRPLANES WITH THE TOGGLE SWITCHES; M81969/14-03 - Contact Installation/Removal Tool

 B.
References

 (1)  
AMM 27-41-91/501, Stabilizer Trim Cutout Switch

 C.
Access

 (1)  
Location Zones
 101 Control Cabin, LH
 102 Control Cabin, RH

 D.
Procedure

 S 424-012
 (1)  
AIRPLANES WITH THE CABLE ACTUATED SWITCHES;
 Install the cutout switch:

 (a)  
Hold the switch in its position.

 (b)  
Install the switch mounting screws.

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A 737-300/400/500MAINTENANCE MANUAL
 (c) (d) (e) (f)  Connect the electrical connector.Install the bracket screws.Install the boot to the switch.Connect the cable to the switch.
 (2)  S 424-015AIRPLANES WITH THE TOGGLE SWITCHES; Install the cutout switch: (a) Install the wire terminals in the back of the switch. (b) Install the cutout switch to the bracket on the control stand.
 (3)  S 864-019Remove the DO-NOT-CLOSE tags and close these circuit breakers: (a) P6 Circuit Breaker Panel 1) STABILIZER TRIM CONT 2) STABILIZER TRIM ACTUATOR
 (4)  S 714-014AIRPLANES WITH THE CABLE ACTUATED SWITCHES; Do a check of the cutout switch: (a) Set the STAB TRIM CUTOUT switch on the control stand to NORMAL, and then to CUTOUT. (b) Do a check for the cutout switch operation. (c) Adjust the cable if it is necessary.
 (5)  S 414-018Install the access panels.

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