Main Gear Upper Drag Strut Wear Limits  500 
32-11-31  Figure 601  Oct 20/85 
Page 602 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

MAIN GEAR LOWER DRAG STRUT - REMOVAL/INSTALLATION
1.  Equipment and Materials
A.  Ground Look Assemblies (Ref 32-00-01)
B.  Grease - MIL-G-21164 or MIL-G-23827 optional to BMS 3-33 (Ref 20-30-21)
2.  Prepare to Remove Lower Drag Strut
A.  Check that all ground lock assemblies (Ref 32-00-01).
B.  Jack airplane until wheels are just clear of ground (Ref Chapter 7, Airplane Jacking).
3.  Remove Lower Drag Strut
A.  Disconnect hydraulic line support (6, Fig. 401) from lower drag strut (2).
B.  Release bracket clamp (7) for electrical harness from lower drag strut (2).
C.  Secure lower end of upper drag strut to prevent it swinging forward. Remove lower attachment bolt (5).
D.  Remove nut and washer from T-bolt assembly (4).
E.  On airplanes with antirotation bolt installed, remove antirotation bolt (12) from lower end of lower drag strut (2).
F.  Support strut and upper torsion link (9).
G.  On airplanes with antirotation bolt installed, remove retaining rings (10) and upper torsion link pin (9).
H.  Remove lower drag strut (2) from airplane.
510 
Sep 01/02  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  32-11-41 Page 401 

Main Gear Lower Drag Strut Installation  500 
32-11-41  Figure 401 (Sheet 1)  Feb 20/85 
Page 402 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

593  Main Gear Lower Drag Strut Installation 
Jan 20/83  Figure 401 (Sheet 2)  32-11-41 
Page 403 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

4. Install Lower Drag Strut

A.  Clean and lightly lubricate all bolts, washers, and bushings with grease immediately before assembly.
B.  Place lower drag strut (2, Fig. 401) in position to line up with upper torsion link (9) and shock strut lugs (8).
C.  Insert upper torsion link bolt with head inboard and install washer and nut.
D.  Tighten nut to 100 to 180 pound-feet and install cotter pin.
E.  Deleted
F.  Swing lower drag strut (2) up over T-bolt assembly (4). Add washer and nut.
G.  Tighten nut to within range of 1200 to 1500 pound-inches lube torque.
H.  Position upper drag strut (1) in lower drag strut fork (2).
I.  Align holes and insert bolt with head end left. Add washer and nut.
J.  Tighten nut 100 to 150 pound-inches lube torque. If necessary, back off nut to line up nearest slot with cotter pin hole. Lock nut with cotter pin.
K.  Connect bracket clamp (7) for electrical harness.
L.  Connect hydraulic line support (6) to lower drag strut (2).
M.  Perform a retraction test of main landing gear only per 32-32-0, A/T.
N.  Check hydraulic line connections for leaks.
O.  Lower airplane and remove jacks (Ref Chapter 7, Jacking Airplane).
593 
32-11-41 Page 404  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Feb 20/90 

MAIN GEAR LOWER DRAG STRUT – INSPECTION/CHECK
1.  General
A.  These data consist of illustrations and wear limit charts. No procedure is given in this section for access to permit inspection. Refer to Main Gear Lower Drag Strut - Removal/Installation.
2.  Main Gear Lower Drag Strut Wear Limits

500  Main Gear Lower Drag Strut Wear Limits 
Nov 15/72  Figure 601 (Sheet 1)  32-11-41 
Page 601 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Main Gear Lower Drag Strut Wear Limits  593 
32-11-41  Figure 601 (Sheet 2)  Sep 20/81 
Page 602 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

506  Main Gear Lower Drag Strut Wear Limits 
Oct 20/85  Figure 601 (Sheet 3)  32-11-41 
Page 603 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

MAIN GEAR T-BOLT ASSEMBLY-REMOVAL/INSTALLATION
1.  Equipment and Materials
　
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