TM 1-1520-238-23
Change 7
11-37
11.4.
FLIGHT CONTROL SYSTEM BEARING/BUSHING REPLACEMENT (AVIM) – continued
TABLE 11-1
Flight Control System Bearing/Bushing Replacement Data – continued
Next Higher
Assembly P/N
Notes
Max Hyd
Ram
Pressure
(pounds)
Cadmium
Plated
Slip,
Press, or
Temp Fit
Bearing/
Bushing
OD
(inches)
Mating
Bore Size
(inches)
Bearing/
Bushing P/N
7-311525064
(FSP)
HS4619-11C010B
0.8749
0.8759
0.8762
0.8767
Temp
No
438
2, 7
MS14103-12
1.3750
1.3760
1.3745
1.3750
Press
No
687
4, 7, 33
7-311527009
7-115127019
0.4997
0.5005
0.5007
0.5017
Temp
No
251
2, 7
7-115127020
0.4997
0.5005
0.5007
0.5017
Temp
No
251
2, 6, 7
7-311527035
(FSP)
HS4736KR
6CWGH
0.8119
0.8128
0.8120
0.8125
Temp
No
406
2, 4, 7,
27, 29,
34, 35, 39
7-211527014
1.5619
1.5628
1.5620
1.5625
Temp
No
781
2, 4, 7,
28, 30,
34, 35,38,
39
NOTE
1. Apply primer coating (item 147, App F) using brush (item 34, App F) on mating bore. Install bearing/
bushing while primer is still wet.
2. Use carbon dioxide (item 40, App F) (dry ice). If necessary, use heater.
3. Use staking tool kit (TM 55-1500-322-24). Determine correct staking pressure in accordance with
TM 55-1500-322-24.
4. Stake both sides (TM 55-1500-322-24).
5. Use fly cutter if necessary for removal. If removing bearing from aluminum housing, use of fly cutter
is mandatory.
6. Use appropriate bushing driver set.
7. Apply sealing compound (item 176, App F) using brush (item 34, App F) on mating bore. Install
bearing/bushing while sealing compound is still wet.
8. Use ring stake method (TM 55-1500-322-24).
9. Use adhesive (item 5, App F).
10. Aline inside diameters to be within 0.0005 INCH.
11. Install with care to prevent damage to surface finish on flange surface.
12. Bushing 7-311511120 must be installed before bushing 7-311511202-13.
13. Clean ID of bearing/bushing. Use cleaner (item 43, App F).
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