(4)
Install thrust bearing (21) with seal facing nut and bushing (21A) on apex bolt (18).
(5)
Install nut on bolt. Tighten nut 225 to 250 pound-inches lube torque then back off and tighten finger-tight. Additional tightening only as required to align locking holes is permitted.
(6)
Install cotter pin (20).
L. Connect electrical wire harness (N) to lower torsion link (10).
(1)
Loosen wire harness for installation of clamps.
(2)
Install wire harness clamp on position piston spring cartridge (27) and block clamps (12), with respective wire clamps (13), on lower torsion link (10) (detail B).
M. Install nose wheels (Ref 32-45-21 R/I).
N. Remove jack from nose gear axle.
O. Lower airplane nose and remove jacks (Ref Chapter 7, Jacking Airplane).
587
32-21-31 Page 406 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Feb 01/96
505 Nose Gear Torsion Links Installation
Feb 01/96 Figure 401 (Sheet 3) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-21-31 Page 407/408
NOSE GEAR TORSION LINKS - INSPECTION/CHECK
1. General
A. These data consists of illustrations and wear limit charts. No procedure is given in this section for access to permit inspection. Refer to Nose Gear Torsion Links - Removal/Installation for removal procedures.
2. Nose Gear Torsion Links Wear Limits
501
Oct 20/86 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-21-31 Page 601
H37904 H37932
Nose Gear Torsion Links Installation 5B8
32-21-31 Page 602 Figure 601 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 01/01
5B8 Nose Gear Torsion Links Wear Limits
May 01/01 Figure 601 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-21-31 Page 603
Nose Gear Torsion Links 501
32-21-31 Page 604 Figure 601 (Sheet 3) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Oct 20/92
NOSE LANDING GEAR TORSION LINKS - APPROVED REPAIRS
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 components locations.
B. This procedure is for temporary repairs only. The recommended overhaul rework is to put the part back to the initial limits with the new bushings.
2. Nose Landing Gear Torsion Link Axial Clearance Correction (Fig. 801)
A. References
(1)
32-21-31/401, Torsion links - Removal/Installation
(2)
32-21-31/601, Torsion Links - Inspection/Check
B. Procedure
(1)
Remove the torsion link (Ref 32-21-31/401).
(2)
Do a check of the parts (Ref 32-21-31/601).
(3)
Make the shims if it is necessary, refer to Fig. 801.
(4)
Install the torsion link with the shims between the bushing flanges, refer to Fig. 801. (Ref 32-21-31/401)
500
Oct 20/93 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-21-31 Page 801
Special Repairs - Shim Axial Clearance 500
32-21-31 Figure 801 (Sheet 1) Oct 20/93
Page 802
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
500 Special Repairs - Shim Axial Clearance
Oct 20/93 Figure 801 (Sheet 2) 32-21-31
Page 803
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
NOSE GEAR TRUNNION BEARING - REMOVAL/INSTALLATION
1. General
A. The trunnion bearing is removed after damage or excessive wear. The nose gear must be removed first to obtain access to the trunnion bearing.
2. Equipment and Materials
A. Ground Lock Assemblies (Ref 32-00-01)
B. Chemical and Solvent Resistant Finish -BMS 10-11, Type I
C. Trunnion Pin and Bearing Puller Set -F80158-1
D. Grease MIL-G-21164 or MIL-G-23827 optional to BMS 3-33
3. Remove Nose Gear Trunnion Bearing
A. Remove nose landing gear (Ref 32-21-0, Removal/Installation).
B. Remove nuts, washers, and bolts retaining bearing.
C. Remove bearing with trunnion bearing puller.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：737 AMM 飞机维护手册 起落架 LANDING GEAR(72)
