32-11-00
 ALL  ú ú 01 Page 429 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 MAIN LANDING GEAR - INSPECTION/CHECK
____________________________________
 1.  General_______
 A.  This procedure contains tasks to examine the main landing gear.
 B.  The regular inspection of the landing gear is given in par. 2. A special inspection is necessary after a hard landing, after a brake seizure when you tow the airplane, or is moving at high speed on the ground, after the gear has collided with an obstacle, and after a high energy stop. For special inspections refer to Chapter 5.
 TASK 32-11-00-206-038
 2.  Main Landing Gear Inspection____________________________
 A.  Special Tools and Equipment
 (1)  
Plug Gage, Landing Gear Nut, F80198-12, used to examine the minor diameter of the axle nut with original configuration

 (2)  
Socket, Axle Nut, F80168-3, used to remove and install the axle nut

 B.  
References

 (1)  
AMM 07-11-11/201, Jack Airplane

 (2)  
AMM 32-00-01/201, Ground Lock Assemblies

 (3)  
AMM 29-15-00/201, Hydraulic Systems A and B

 (4)  
AMM 32-45-00/601, Tires and Wheels

 C.  
Access

 (1)  
Location Zone
 216 Left Main Wheel Well
 217 Right Main Wheel Well

 D.  
Prepare for the Examination

 S 496-042
 (1)  
Make sure that the ground lock assemblies are installed in the nose and main landing gear (AMM 32-00-01/201).

 S 866-043

 (2)
Remove the power from the hydraulic system (AMM 29-15-00/201).

 E.  
Procedure to Examine the Main Landing Gear.

 S 796-019
 (1)  
Examine the main actuator and all the hydraulic connections for leaks.

 S 796-020

 (2)
Examine the shock strut for leaks and specified extension.

 (a)  
Examine the open surface of the inner cylinder for dirt, scratches, or galling.

 S 216-021
 (3)  
Examine the tires and the wheels of the main landing gear (AMM 32-45-00/601).

 S 766-022

 (4)  
Examine the safety switch sensors and all the electrical wiring for security and chafing.

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 32-11-00
 ALL  ú ú 02 Page 601 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (5)  S 216-023Examine the hydraulic hoses for chafing.
 (6)  S 216-024Examine the attachment of the torsion links and the lower drag strut for tightness, missing cotter pins, lockrings, and lockbolts.
 (7)  S 216-025On the right landing gear, examine the operating cable of the ground speed brake for damage, corrosion and security of attachments.
 (8)  S 216-026Examine the hydraulic damper on the torsion links for security and leaks.
 (9)  S 216-027Examine the side strut and the drag strut connections to the side strut universal connection for tightness, corrosion, and missing cotter pins.
 S 216-036

 (10)
 Examine the attachment lugs of the torsion links, the side strut, and the drag strut for cracks.

 S 216-028

 (11)
 Examine the upper drag strut attachment for security and improper locking.

 S 216-029

 (12)
 Examine the trunnion link and the hydraulic swivel for security and damage.

 (a)
Examine the swivel for leaks.

 S 216-030
 (13)
 Examine the reaction link attachments, downlock springs, the lock actuators, the uplock hook, and uplock springs for security and damage.

 S 216-031

 (14)
 Examine the downlock strut for loose attachments and damage.

 S 216-032

 (15)
 Examine the end play in the actuator and the attachment bolts of the walking beam.

 S 216-033

 (16)
 Examine the wing door attachments at the shock strut and the side strut for looseness and incorrect locking.

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