F. Remove 0.003-inch laminations as required from shims to achieve required thickness for each bearing, and coat each delaminated surface with primer.
G. Install bearings and shims in structure. Maximum shim thickness to be installed with each bearing is 0.066 inch.
H. Install bolts, washers and nuts (6 places) to retain bearing.
I. Check distance between bearings. If necessary, adjust shims per steps E through H.
J. Install nose gear. Refer to 32-21-0, Nose Landing Gear - Removal/Installation.
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32-21-51 Page 402 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 15/72
500 Nose Gear Trunnion Bearing Installation
May 15/72 Figure 401 32-21-51
Page 403
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
NOSE GEAR DRAG BRACE BEARING -REMOVAL/INSTALLATION
1. General
A. The drag brace bearing is removed after damage or excessive wear. The nose gear drag brace must be removed first to obtain access to the drag brace bearing.
2. Equipment and Materials
A. Ground Lock Assemblies (Ref 32-00-01)
B. Epoxy Primer -BMS 10-11, Type I
C. Grease -MIL-G-21164 or MIL-G-23827 optional to BMS 3-33
3. Remove Nose Gear Drag Brace Bearing
A. Remove nose gear drag brace (Ref 32-21-21, Removal/Installation).
B. Remove nuts, washers and bolts retaining bearing.
C. Remove bearing and shims from structure.
4. Install Nose Gear Drag Brace Bearing
A. Clean bearing housings in structure.
B. Clean and lightly lubricate all surfaces of bearing.
C. Install bearing in housing.
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32-21-61 Page 401
D. Check dimension between inside faces of spherical bearing and determine dimension of shims required to achieve 30.005-to 29.995-inch dimension. (See figure 401.)
E. Remove drag brace bearing.
F. Remove 0.003-inch laminations as required from shims to achieve required thickness for each bearing, and coat each delaminated surface with primer.
G. Install bearings with shims in structure. Maximum shim thickness to be installed with each bearing is 0.066 inch.
H. Install bolts, washers and nuts (6 places) to retain bearing.
I. Check distance between bearings. If necessary, adjust shims per step E through H.
J. Install nose gear drag brace. Refer to 32-21-21, Nose Gear Drag Brace -Removal/Installation.
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500 Nose Gear Drag Brace Bearing Installation
May 15/72 Figure 401 32-21-61
Page 403
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
NOSE GEAR AXLE THREAD AND AXLE NUT - INSPECTION/CHECK
1. General
A. This data has illustrations and a wear limit chart. No procedure is given in this piece that permits access for inspection. For this data, refer to Nose Gear Wheel and Tire -Removal/Installation.
2. Nose Gear Axle Thread and Axle Nut Inspection/Check
A. Special Tools and Equipment
(1)
Axle Thread NO-GO Gage Tool for pitch diameter.
(a)
Precise Tool NG2.0000-16 PTG THREADSNAP, used to examine the pitch diameter of the axle thread with undersized configuration.
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