32-11-51
ALL ú ú 01.1 Page 603 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
MAIN LANDING GEAR TORSION LINKS - APPROVED REPAIR
_________________________________________________
1. General_______
A. This procedure contains a task that will let you correct the axial clearance that is too large. You can correct the axial clearance with shims at specified landing gear component locations.
B. The intent of this procedure is to repair the torsion links until the next main landing gear overhaul. The recommended repair for these parts is to put them back to the initial limits with the new bushings at the landing gear overhaul.
TASK 32-11-51-308-001
2. Main Landing Gear Torsion Links Axial Clearance Correction (Fig. 801)__________________________________________________________
A. References
(1)
32-11-51/401, Torsion Links - Removal/Installation
(2)
32-11-51/601, Torsion Links - Inspection/Check
B.
Procedure
S 028-002
(1)
Remove the torsion link (Ref 32-11-51/401).
(2)
Do a check of the parts (Ref 32-11-51/601).
(3)
Make the shims if it is necessary (Fig. 801).
S 428-005
(4)
Install the torsion link with the shims between the bushing flanges refer to Fig. 801 and Ref 32-11-51/401.
S 228-003
S 328-004
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32-11-51
ALL ú ú 02 Page 801 ú Nov 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SHOCK STRUTASSEMBLY
LOWER DRAG STRUT
B
UPPER TORSION LINK
AB A
LOWER TORSION LINK
MAXIMUM AXIAL CLEARANCE 3= C = C + C
T 1 2
SHIM INSIDE DIAMETER = W = P + 0.002 (+0.005/-0.000)
Io
SHIM OUTSIDE DIAMETER = W = F + 0.005 (+0.030/-0.000)
o o
MINIMUM IN-SERVICE BUSHING FLANGE THICKNESS = F = .030
T
1 SHIM TO INCLUDE NO. 32 FINISH AND MAKE FLAT WITHIN 0.002 INCH
MATERIAL: 1. CRES (W = 0.015 MINIMUM)
T
2 ADJACENT BUSHING FLANGES MUST BE FLAT WITHIN 0.005 INCH. IF F IS WITHIN LIMITS, INSTALL SHIM WASHERS AS FOLLOWS TO PUT THE AXIAL CLEARANCE
T
BACK TO THE DESIGN LIMITS:
A. IF C IS NOT LARGER THAN 0.030,
T INSTALL ONE SHIM WASHER AT C OR C ADJACENT TO THINNEST FLANGE.
1 2
B. IF C IS LARGER THAN 0.030,
T INSTALL SHIM WASHERS OF EQUAL THICKNESS (APPROXIMATELY) AT C AND C .
1 2
3
SEE INSPECTION/CHECK SECTION AT PARTICULAR JOINT TO FIND THE MAXIMUM ALLOWABLESERVICE CLEARANCE.
NOTE: THE RECOMMENDED AXIAL CLEARANCE IS 0.001/0.004 AFTER YOU INSTALL THE SHIM WASHERS.
Special Repairs - Shim Axial Clearance Figure 801 (Sheet 1)
B40502
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32-11-51
ALL ú ú 01 Page 802 ú Nov 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
P = MAXIMUM PIN F = MAXIMUM BUSHING
BUSHINGS
B-B
F
T
W
o
W
T
W
I
SHIM WASHER
Special Repairs - Shim Axial Clearance
Figure 801 (Sheet 2)
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32-11-51
ALL ú ú 01 Page 803 ú Nov 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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