S 434-022

 (4)  
Make sure the flanged steel bushings (4) are in the correct position in the beam hanger (5).

 NOTE: You must install the bushings (4) with the flanges on the
____
 outer face of the hanger.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-32-11
 ALL  ú ú 01 Page 406 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 434-023
 (5)  Put a nylon spacer on each side of the actuator (6) (View B, Fig. 401).
 NOTE: The chamfered face of the spacer must be toward the beam
____
 hanger (5).

 S 984-024
 (6)  Align the walking beam (3) above the beam hanger (5) with the cross rib that is cut away nearest the actuator (6).
 NOTE: The long arm of the hanger pivot must be forward when you
____
 install the assembly.

 S 624-025
 WARNING: USE NITRILE GLOVES FOR SKIN PROTECTION AGAINST BMS 3-27
_______ (MASTINOX 6856K). IF MASTINOX GETS ON YOUR SKIN, IMMEDIATELY REMOVE IT WITH WATER. IF THIS MATERIAL GETS IN YOUR EYES, IMMEDIATELY FLUSH YOUR EYES WITH WATER AND GET MEDICAL AID. THIS MATERIAL CONTAINS VERY POISONOUS AND FLAMMABLE AGENTS WHICH CAN CAUSE INJURIES TO PERSONS.
 CAUTION: UNWANTED MASTINOX MUST BE REMOVED FROM SURFACES WHICH WILL BE
_______ LUBRICATED WITH A GREASE NIPPLE. IF YOU APPLY MASTINOX TO JOINTS WHICH TURN FAILURE OF THE LANDING GEAR TO EXTEND OR RETRACT COULD RESULT.
 (7)  
Apply Mastinox 6856K to the bolt (7) immediately before you install it (AMM 12-21-11/301).

 S 434-026

 (8)  
Install the bolt (7) through the walking beam (3) and the actuator (6). Install the special washer and nut.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-32-11
 ALL  ú ú 02 Page 407 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 434-089
 CAUTION: MAKE SURE THE HEAD OF BOLT (7) IS ON THE AFT SIDE OF ACTUATOR
_______ WALKING BEAM. IF THE HEAD OF THE BOLT DOES NOT FACE AFT, DAMAGE TO THE MAIN LANDING GEAR SUPPORT BEAM CAN OCCUR.
 (9)  Tighten the nut to 350-400 pound-inches.
 NOTE: The threads of the bolt (7) must be wet with Mastinox
____
 6856K when you tighten the nut.

 S 434-028
 (10)
 Install the cotter pin for the bolt (7).

 E.
Install the Actuator Assembly

 S 424-075
 CAUTION:_______DO NOT LET THE BEAM HANGAR HIT THE ACTUATOR. WHEN YOU INSTALL THE ACTUATOR ASSEMBLY, THE BEAM HANGAR CAN TURN AROUND THE BOLT (7) AND HIT THE ACTUATOR. DAMAGE TO THE BEAM HANGAR CAN OCCUR IF THE BEAM HANGAR HITS THE ACTUATOR.
 (1)  Lift the actuator assembly (6) into its position with the beam hanger (5) on the outboard side (View A, Fig. 401).
 NOTE: If the stabilizer beam (2) was reinstalled, it may be
____ removed to make the installation of the actuator assembly (6) easier.
 S 984-030
 (2)  Put the inboard end of the actuator (6) and the walking beam (3) on the shock strut (View E, Fig. 401).
 S 434-083
 CAUTION: MAKE SURE THE SHORT FLAT SIDE OF THE LUG ON THE BEAM HANGER
_______ SHAFT (4) IS FACING DOWN. THE BEAM HANGER SHAFT IS NOT SYMMETRICAL. IF YOU DO NOT INSTALL THE SHAFT CORRECTLY, DAMAGE TO THE STRUCTURE CAN OCCUR WHEN YOU RETRACT THE LANDING GEAR.
 (3)
Do these steps to attach the outboard end of the actuator assembly:

 (a)  
Put washers on the bolts.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-32-11
 ALL  ú ú 02 Page 408 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
　
中國航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 起落架 LANDING GEAR 2(77)