INBD FWD
Main Gear Attachment Figure 2
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A 737-300/400/500MAINTENANCE MANUAL
LINK
CYLINDER
OUTER CYLINDER
UPPER BEARING
TORSION LINK LUGS
Main Gear Shock Strut Schematic
Figure 3
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A 737-300/400/500MAINTENANCE MANUAL
7. Main Gear Side Strut
____________________
A. The main gear side strut gives lateral support to the shock strut. The side strut consists of an upper and a lower segment hinged near the center. The upper end of the side strut is connected to a lug on the reaction link. The bottom end of the lower segment is connected to the universal side brace attachment. A lock strut is mounted between the reaction link and the side strut hinge (Fig. 2). The side strut folds about the hinge when the gear retracts.
8. Main Gear Reaction Link
_______________________
A. The main gear reaction link forms the upper member of a space frame consisting of the shock strut, the side strut, and the reaction link (Fig. 1). Most of the side loads acting on landing gear are transferred through the reaction link to the upper end of the shock strut. The outboard end of the reaction link is attached through a universal joint to the trunnion link connection. The inboard end is attached to structure at the main gear uplock brackets. All the landing gear lock actuating mechanism is mounted on the reaction link.
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A 737-300/400/500MAINTENANCE MANUAL
TO HYDRAULIC A
SYSTEM RETURN
TORSION TORSION LINK LINK
Main Landing Gear Damper Schematic
Figure 4
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A
737-300/400/500MAINTENANCE MANUAL
MAIN LANDING GEAR - REMOVAL/INSTALLATION
________________________________________
1. General_______
A. This procedure contains two tasks, one for the removal and one for the installation of the main landing gear.
B. During the removal and installation of the main landing gear, a minimum of three persons is necessary to put the landing gear into or out of position.
C. The instructions to remove and install the gear in this procedure do not include the usage of special dolly. A Main Landing Gear Dolly (Model 100C or Model 3010) is commercially available if desired. You can purchase the Model 100C from Ground Support Engineering, Inc., 2401 N.W. 33rd. Avenue, Miami, Florida 33142, Tel. No. (305) 635-5060, Fax. No.
(305) 638-0211. You can purchase the Model 3010 from Diversified Aerospace, Inc., Miami, Florida.
TASK 32-11-00-004-075
2. Main Landing Gear Removal_________________________
A. Special Tools and Equipment
(1)
Socket Wrench, Main Landing Gear Trunnion Link - ST2580-202. Use to remove and install the bolt for the forward trunnion bearing.
(2)
Spanner Wrench, Main Gear Forward Trunnion Bearing - 7ME65-73761-1. Use to remove forward trunnion bearing assembly from landing gear beam, and to tighten assembly in beam while installed on trunnion link.
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