32-34-11
 ALL  ú ú 01 Page 405 ú Mar 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 MAIN LANDING GEAR MANUAL EXTENSION LINKAGE . REMOVAL/INSTALLATION
_________________________________________________________________
 1.  General_______
 A. This procedure contains two tasks:
 (1)  
The removal of the manual extension linkage from the left or the right main landing gear.

 (2)  
The installation of the manual extension linkage of the left or the right main landing gear.

 TASK 32-34-21-004-001
 2.  Manual Extension Linkage of the Main Landing Gear Removal (Fig. 401)_________________________________________________________
 A. Procedure to Remove the Manual Extension Linkage
 S 014-002
 (1)  
Remove the ceiling panels of the cargo compartment at approximately body station 420.

 (a)  
Disconnect the cable MLGEA for the manual extension linkage you will remove.

 S 034-003
 (2)
Disconnect the cable MLGEA from the quadrant assembly (4).

 S 024-004

 (3)  
Disconnect the uplock release rod (6) at the quadrant assembly (4).

 S 034-005

 (4)
Disconnect the return spring (5) at the quadrant assembly (4).

 S 034-006

 (5)  
Remove the nut (9), and the washer (8).

 (a)  
Remove the bolt (3) and the spacer (2) which attach the quadrant assembly (4) to the quadrant support (1).

 (b)  
Keep the spacer (2).

 S 034-007
 (6)  Disconnect the uplock release rod (6) at the camshaft arm (13), and the quadrant assembly (4).
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 32-34-21
 ALL  ú ú 01 Page 401 ú Mar 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
SPACER
18.
 WASHER

19.
 NUT

18A. SHIM
0.015
0.005 SEE A SHAFT
A-A
MLGEA CABLE
5. RETURN SPRING
CABLE GUARD
CABLE GUARD PIN1. QUADRANT SUPPORT 9. NUT
8. WASHER
A  19. NUT FORWARD 3. BOLT
STRUCTURE 2. SPACER

18A. SHIM 4. QUADRANT ASSY
A
18. WASHER
17. BEARING 11. BEARING 6. UPLOCK RELEASE ROD16. SPACER 13. CAMSHAFT ARM
10. CAMSHAFT
15. CAM
AFT STRUCTURE
12. SLEEVE
FWD INBD
14. SLEEVE
A
Main Gear Manual Extension Linkage Installation
Figure 401

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 32-34-21
 ALL  ú ú 01 Page 402 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 034-008
 (7)  
Remove the nut (19), shim (18A), and the washer (18) from the camshaft (10) and remove the camshaft.

 (a)  
Keep the spacer (16), the cam (15), the sleeves (12 and 14), the bearing (11 and 17), and the camshaft arm (13).

 TASK 32-34-21-404-009
 3.  Manual Extension Linkage of the Main Landing Gear Installation (Fig. 401)______________________________________________________________
 A. Standard Tools and Equipment
 (1)  
Rod - 3/8 inch diameter x 3-1/4 inches long (material optional)

 B.
Consumable Materials

 (1)  
Corrosion Preventive Compound - MIL-C-16173 Grade 2 or MIL-C-11796, Class 3 (Ref 20-30-21).

 C.
References

 (1)  
32-34-00/501, Manual Extension System - Main Landing Gear

 D.
Procedure to Install the Manual Extension Linkage

 S 624-032
 (1)  
Apply a corrosion preventive compound to the mating splines of the camshaft (10), the cam (15), and the camshaft arm (13).

 S 424-011

 (2)
Install the camshaft aft bearing (11) in the aft structure.

 S 434-012

 (3)  
Put the camshaft (10) in through the aft structure and move the sleeve (12) above the camshaft.
　
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