27-62-41
ALL ú ú 01 Page 404 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
GROUND SPOILER CONTROL VALVE - ADJUSTMENT/TEST
______________________________________________
1. General_______
A. There is one task in this procedure, a functional test of the ground spoiler control valve.
TASK 27-62-41-725-001
2. Ground Spoiler Control Valve Functional Test____________________________________________
A. References
(1)
12-12-00/301, Hydraulic Reservoir
(2)
24-22-00/201, Manual Control
(3)
27-62-00/201, Speed Brake Control System
B.
Access
(1)
Location Zone
101, 102 Control Cabin
216, 217 Main Wheel Well
C.
Procedure
S 865-002
(1)
Supply the electrical power (Ref 24-22-00/201).
S 865-003
(2)
Supply the system A hydraulic power (Ref 27-62-00/201).
S 215-004
(3)
Examine the hydraulic connections on the ground spoiler control valve for leakage.
S 875-005
(4)
Move the speed brake lever through more than one full cycle to bleed the hydraulic system.
S 725-006
(5)
Do the test of the ground spoiler control valve:
(a)
Make sure the speed brake lever is in the DOWN position.
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27-62-41
ALL ú ú 01 Page 501 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(b) (c) (d) (e) (f) (g) Move the speed brake lever aft until the ground spoilers move to the extended position.Make sure the speed brake lever is 29 |2 degrees (2.66 |0.20 inches) aft of the DOWN position.Move the speed brake lever to the UP position.Move the speed brake lever forward until the ground spoilers move to the retracted position.Make sure speed brake lever is 21 |4 degrees (1.93 |0.40 inches) aft of the DOWN position.Move the speed brake lever to the DOWN position.
(6) S 865-007Remove the system A hydraulic power (Ref 27-62-00/201).
(7) S 865-008Remove the electrical power (Ref 24-22-00/201).
(8) S 615-009Fill the hydraulic reservoir if it is necessary (Ref 12-12-00/301).
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27-62-41
ALL ú ú 01 Page 502 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
GROUND SPOILER INTERLOCK VALVE CABLE - 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 interlock valve cable for the ground spoilers. The interlock valve cable is installed on the right main landing gear.
B. To remove or install the cable, it is necessary to remove the cable from the flexible tube.
TASK 27-62-51-004-001
2. Ground Spoiler Interlock Valve Cable Removal (Fig. 401)____________________________________________
A. References
(1)
27-62-00/201, Speed Brake Control System
B.
Access
(1)
Location Zone
217 Right Main Wheel Well
C.
Procedure
S 864-002
(1)
Make sure the hydraulic pressure in systems A and B is released (Ref 27-62-00/201).
S 024-003
(2)
Remove the cable from the flexible tube:
(a)
Remove the bolt that attaches the lower rod end to the landing gear torsion link.
(b)
Remove the clamp and spacer from the protective boot.
(c)
Move the protective boot up until you can get access to the guide tube.
