nuts on the wheel well side, as you remove the bolts from the access opening side that attach the housing assembly to the wheel well structure.
2) Have the person in the wheel well remove the bolts that attach the housing assembly to the wheel well structure from the bottom.
3) Use a wooden or plastic scraper to carefully separate the support assembly from the wheel well structure, as a sealant certified for a pressure difference between mating surfaces is between them.
4) Lift the housing assembly, plate assembly, shaft assembly, and quadrant assembly together as a single unit from the wheel well structure.
NOTE: Make sure you mark the locations and positions
____ of any laminated shims for later installation.
TASK 32-41-21-404-011
3. Install the Control Quadrant for the Brake Metering Valve (Fig. 401)_________________________________________________________
A. Consumable Materials
(1) D00013 Grease - MIL-G-23827 or BMS 3-24
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-21
ALL ú ú 01 Page 402 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(2)
D00633 Grease - BMS 3-33
(3)
A00490 Sealant-Pressure, Class B-2
(4)
C00422 BMS 10-11, Type I, Class A (primer)
(5)
B00428 Corrosion Preventive Compound - MIL-C-16173, Grade 2
B.
References
(1)
AMM 25-22-00/201, Passenger Seats
(2)
AMM 32-41-00/501, Hydraulic Brake System
C.
Access
(1)
Location Zones
216 Left Main Wheel Well
217 Right Main Wheel Well
107 Forward Half of Cabin
D.
Procedure
S 424-030
(1)
Apply a thin layer of primer to the laminated shims.
S 424-031
(2)
Make sure the laminated shims are in the same locations and the same positions as when the housing assembly, spring plate assembly, shaft assembly, and quadrant assembly was removed as a single unit.
Brake Metering Valve Control Quadrant Installation
Figure 401 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-21
ALL ú ú 02 Page 403 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CONTROL CABLESBOLT
QUADRANT AND SHAFT ASSEMBLY
CONTROL CABLES
RETURN
SPRING COTTER PINS
HOUSING ASSEMBLY
PLATE ASSEMBLY
BOLT
LAMINATED SHIM LAMINATED SHIMLAMINATED SHIM BRAKE METERING VALVE ASSEMBLY
BRAKE
METERING
VALVE WASHER WHEEL WELL
ASSEMBLY NUT WASHER CEILING
NUT
WASHER
WASHER
BOLT
SPACER
HYDRAULIC BOLT
PLUMBING
BRAKE METERING VALVE LEVER
SPACER ASSEMBLY
WASHERS COTTER PIN
NUT WASHER
NUTSCREW
BRAKE FEEL RETURN
AUGMENTATOR SPRING
ASSEMBLY
WASHER
BOLT
A
Brake Metering Valve Control Quadrant Installation Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-21
ALL ú ú 01 Page 404 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(3) S 424-032Apply a layer of pressure sealant on the housing assembly surfaces that will touch the wheel well structure.
(4) S 424-015Put the lower end of the shaft of the unit made of the housing assembly, spring plate assembly, shaft assembly, and quadrant assembly through the hole in the support fitting so the holes in the base of the housing assembly align with the holes in the wheel well structure.
(5) S 424-033Apply a thin layer of corrosion preventative compound to the threads and surfaces of the fasteners that are used to attach the housing assembly to the wheel well structure.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：737-300 400 500 AMM 飞机维护手册 起落架 LANDING GEAR 3(18)
