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A
737-300/400/500MAINTENANCE MANUAL
 AUTO SPEED BRAKE ACCESSORY MODULE - REMOVAL/INSTALLATION
________________________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is a task for the removal and a task for the installation of the auto speed brake accessory module M980. The module is installed on the E3-2 rack in the electronic compartment.
 TASK 27-62-35-004-001
 2.  Auto Speed Brake Accessory Module Removal (Fig. 401)_________________________________________
 A.  References
 (1)  
20-10-07/201, E/E Rack Mounted Components - Maintenance Practices

 B.  
Access

 (1)  
Location Zone
 205 Electronic Compartment

 C.  
Procedure

 S 864-002
 (1)
Open these circuit breakers and install DO-NOT-CLOSE tags:

 (a)  
P6-2 Panel
 1) AUTO SPEED BRAKE

 

Auto Speed Brake Accessory Module M980 Installation
Figure 401

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 ALL  ú ú 02 Page 401 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 024-003
 (2) Remove the module from the E3-2 rack (AMM 20-10-07/201).
 TASK 27-62-35-404-004
 3.  Auto Speed Brake Accessory Module Installation (Fig. 401)______________________________________________
 A. References
 (1)  
27-62-00/501, Speed Brake Control System

 (2)  
20-10-07/201, E/E Rack Mounted Components - Maintenance Practices

 B.
Access

 (1)  
Location Zone
 205 Electronic Compartment

 C.
Procedure

 S 424-005
 (1)
Install the module on the E3-2 rack (AMM 20-10-07/201).

 S 864-006

 (2)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6-2 Panel
 1) AUTO SPEED BRAKE

 

 S 734-007
 (3)  Do the test of the indicator circuits for the speed brake lever actuator (Ref 27-62-00/501).
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 ALL  ú ú 03 Page 402 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 GROUND SPOILER CONTROL VALVE - REMOVAL/INSTALLATION
___________________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is a task for the removal and a task for the installation of the ground spoiler control valve.
 TASK 27-62-41-004-001
 2.  Ground Spoiler Control Valve Removal____________________________________
 A.  References
 (1)  
27-62-00/201, Speed Brake Control System

 B.  
Access

 (1)  
Location Zone
 216, 217 Main Wheel Well

 C.  
Procedure

 S 864-002
 (1)  
Make sure the hydraulic pressure in system A is released (Ref 27-62-00/201).

 S 024-003

 (2)  
Remove the control valve (Fig. 401).

 (a)  
Remove the bolt that attaches the control rod to the valve lever.

 (b)  
Disconnect the five hydraulic tubes from the control valve: 1) Put a container below the control valve to catch the

 hydraulic fluid. 2) Disconnect the hydraulic tubes from the control valve. 3) Install the caps on the hydraulic tubes.

 (c)  
Remove the four bolts that attach the control valve to the bracket.

 (d)  
Remove the control valve from the airplane.

 (e)  
Remove the reducers and the O-rings from the five hydraulic ports on the control valve.

 (f)  
Install the caps on the hydraulic ports.

 TASK 27-62-41-404-004
 3.  Ground Spoiler Control Valve Installation_________________________________________
　
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