(3)  
Spanner Wrench, Main Landing Gear Trunnion Bearing - F80018-1. Use on 737-300/500 airplanes to remove and install the main landing gear forward trunnion bearing and bearing nut.

 (4)  
Spanner Wrench, Main Landing Gear Trunnion Bearing - F80018-2. Use on 737-400 airplanes to remove and install the main landing gear forward trunnion bearing and bearing nut.

 (5)  
Adapter Wrench, Main Landing Gear Trunnion Nut - F80020-5. Use to remove the nut for the trunnion link pin.

 (6)  
Thread Protector and Alignment Tool, Main Landing Gear - F80115-1. Use on 737-300/-500 airplanes to protect the threads on the trunnion link pin and to make the assembly of the trunnion link, trunnion link pin, shock strut and actuator beam arm easier.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 B.
C.
D.
E.
F.
A 737-300/400/500MAINTENANCE MANUAL
 (7)  
Thread Protector and Alignment Tool, Spring SupportShaft - F80115-2. Use to protect the threads of the spring support shaft.

 (8)  
Thread Protector and Alignment Tool, Main Landing Gear - F80115-8. Use on 737-400 airplanes to protect the threads on the trunnion link pin and to make the assembly of the trunnion link, trunnion link pin, shock strut and actuator beam arm easier.

 (9)  
Spring Expander Set, Main Landing Gear - F80169-1. Use to remove the Main Landing Gear Downlock Springs. (OPTIONAL TOOL).

 (10)
 Torque Wrench Adapter - F80176-8.  Use to torque aft trunnion bearing nut.

 (11)
 Lock Assembly, Main Landing Gear - F80234-1.  Use to lock the shock strut oleo in the compressed position when the airplane is lifted on jacks.

Standard Tools and Equipment

 (1)  
A length of rope or cord used to extend the downlock springs during installation of main landing gear. (See Special Tools and Equipment list for optional tool).

 (2)  
Lead hammer

 (3)  
Wheel chocks

 (4)  
Block and Tackle - Commercially available

 (5)  
Container, suitable for Hydraulic Fluid, Fire Resistant BMS3-11 in

 which to drain brake lines.Consumable Materials

 (1)  
D0013 Grease - MIL-PRF-23827

 (2)
D00633 Grease - BMS 3-33References

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

 (2)  
AMM 12-15-31/301, Main Landing Gear Shock Strut - Servicing

 (3)  
AMM 12-31-61/201, Wing Lower Surface Access Doors and Panels

 (4)  
AMM 27-51-00/201, Trailing Edge Flap System

 (5)  
AMM 27-62-51/401, Ground Spoiler Interlock Valve Cable

 (6)  
AMM 29-15-00/201, Hydraulic Systems A and B

 (7)  
AMM 32-00-01/201, Ground Lock Assemblies

 (8)  
AMM 32-11-83/401, Forward Trunnion Bearing

 (9)  
AMM 32-13-11/401, Shock Strut Doors - Main Landing Gear

 (10)
 AMM 32-32-11/401, Actuator Assembly - Main Landing Gear

 (11)
 AMM 32-32-91/401, Downlock Spring Assembly - Main Landing GearAccess

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

 (2)  
Access Panels 8401 Left Hydraulics Access Panel 8501 Right Hydraulics Access Panel

Prepare for the Removal of the Main Landing Gear
 S 494-008
 (1)  Install the ground locks in all landing gear (AMM 32-00-01/201).
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 ú

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 ú ALL ú ú ú 01.101 Page 402 ú ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 844-122

 (2)  Extend the trailing edge flaps fully to gain access to the aft side of the support beam of the main landing gear (AMM 27-51-00/201).
 (3)  S 864-010Remove the pressure from the hydraulic systems A and B (AMM 29-15-00/201).
 (4)  S 844-011Operate the brakes eight times to remove the pressure from the brake accumulators.
　
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