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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 2) Make a mark on the connections to make it easier to put them together. 3) Give protection to the lightplates to prevent possible damage.
 (b)  Remove the bottom doors from the control stand.
 S 014-014
 (5)  
Remove the lever bracket of the stabilizer trim control.

 S 034-005

 (6)  
Remove the wires from the switch.

 (a)  
Attach tags to the wires on the switch to know their location.

 (b)  
Disconnect the wires from the switch.

 S 024-006
 (7)  Remove the switch.
 (a)  
Remove the screws that hold the switch bracket.

 (b)  
Disengage the applicable switch bracket from the support bracket.

 (c)  
Remove the switch bracket from the control stand.

 (d)  
Put a mark on the bracket to show the location of the switch.

 (e)  
Remove the screws from the switch.

 (f)  
Remove the switch.

 TASK 30-11-51-404-009
 3.  The Installation of the Wing Anti-Ice Switches on the Control Stand___________________________________________________________________ (Fig. 401)
 A.  References
 (1)  
MM 25-11-11/201, Equipment - Flight Compartment

 (2)  
MM 31-26-21/401, Thrust Lever Actuated Take-Off Warning Switches

 (3)  
MM 78-34-05/201, Thrust Reverser Arm and Stow Switches

 B.  Special Tools and Equipment
 (1)  
Control Surfaces Protractor - F52485-500

 (2)  
Protractor Adapter (Thrust Lever) - F72952-2

 C.  Standard Tools and Equipment
 (1)  Ohmmeter
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A
737-300/400/500MAINTENANCE MANUAL
 D.  Access
 (1)  
Location Zone
 101 Control Cabin - Left
 102 Control Cabin - Right

 (2)  
Access Panel
 1103L Forward Access Door

 E.  Procedure
 S 424-007
 (1)  Install the wing anti-ice switch on the bracket.
 (a)  
Put the wing anti-ice switch on the mark on the bracket.

 (b)  
Install the screws that hold the wing anti-ice switch to the bracket.

 (c)  
Connect the wires to the correct location on the wing anti-ice switch.

 (d)  
Install the bracket in the control stand. 1) Put the bracket through the access hole in the side of the control stand. 2) Loosely install the screw that holds the top of the bracket.

 3)  Move the bracket until you can install the screw that holds the bottom of the bracket in the correct location.
 NOTE: There is a mark on the bracket to show the
____ correct location.
 (e)  Tighten the screws that hold the bracket.
 S 824-008
 (2)  Adjust the wing anti-ice switch.
 NOTE: The engine control system must be adjusted correctly
____ before you adjust the switch. Refer to MM 76-11-00/501 if you must adjust the engine control system.
 If you install a new bracket assembly to replace a used bracket assembly, refer to MM 78-34-05/201 and MM 31-26-21/401. These procedures adjust the other switches on the bracket.
 (a) Pull the two thrust levers to the idle stop position.
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 (b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

A
737-300/400/500MAINTENANCE MANUAL
Put the protractor on the thrust lever.
Set the protractor to read zero degrees.
　
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