54-42-12
ú ú B01 Page 205 ú Jul 15/94
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A 737-300/400/500MAINTENANCE MANUAL
NO. INDEX PART NAME DIM. DESIGN LIMITS WEAR LIMITS WORN PART REPLACE PART WORN REPAIR INSTR. REPAIR
DIAMETER ALLOWED DIM. WEAR MAX ANCE CLEAR-DIAM
MIN MAX
1 FITTING ID 0.8750 0.8757 0.8763 0.0000 3
BUSHING OD 0.8763 0.8770 0.8757 X
2 BUSHING ID 0.7495 0.7505 0.7522 0.0042 X
BOLT OD 0.7480 0.7490 0.7463 X 2
3 CROSSBEAM ID 0.8750 0.8757 0.8763 0.0000 3
BUSHING OD 0.8763 0.8770 0.8757 X
4 BUSHING ID 0.7495 0.7505 0.7522 0.0042 X
BOLT OD 0.7480 0.7490 0.7463 X 2
5 CROSSBEAM ID 1.4375 1.4380 --- 0.0020 ---
BEARING OD 1.4370 1.4375 --- X
6 BEARING RACE ID 1.1880 1.1885 1.1915 AXIAL 0.0080 4 X
BEARING BALL OD 1.1865 1.1870 --- X
7 BEARING BALL ID 0.7495 0.7500 0.7517 4 X
BOLT OD 0.7480 0.7490 0.7463 X 2
Forward Engine Mount Wear Limits
Figure 202 (Sheet 4)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH VIBRATION ISOLATORS ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
WING
UPPER LINK
BRACKET (4 LOCATIONS)
NOTE: RIGHT SIDE INSTALLATION
A
IS SHOWN. LEFT SIDE IS
THE SAME BUT OPPOSITE.
Forward Vibration Isolator Removal/Installation Figure 203 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH VIBRATION ISOLATORS ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
B
Forward Vibration Isolator Removal/Installation
Figure 203 (Sheet 2)
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A
737-300/400/500MAINTENANCE MANUAL
S 022-004-B00
(3)
Remove the bolts, washers and the nuts that attach the crossbeam assembly to the strut.
S 022-005-B00
(4)
Remove the crossbeam assembly.
S 022-006-B00
(5)
If it is necessary, remove the cross pin, the bracket, and the nut from the right end of the crossbeam.
E. Remove the Vibration Isolator
S 022-007-B00
(1) Do these steps to remove the applicable vibration isolator from the crossbeam (Fig. 203):
(a)
At the forward outboard location on the isolator, remove the bolt, washers, and the bond jumper assembly.
(b)
At the other three locations, remove the bolts and the washers.
(c)
Remove the isolators.
TASK 54-42-12-402-013-B00
3. Forward Engine Mount Installation_________________________________
A. General
(1) This procedure contains two topics:
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