TM 55-1520-240-23-9
11-118
ASSEMBLE ROLL VISCOUS DAMPER (1025-820) (AVIM)
(Continued)
11-118
11.
Position check valve (15) toward abutment (16),
on arm (17). Position valve stop (18), curve
outward and toward abutment, on check valve.
Align holes.
12.
Install two rivets (19).
13.
Repeat step (steps 11 and 12) for three check
valves (20, 21, and 22) and three valve stops
(23, 24, and 25) on two arms (17 and 26) of
abutment (16).
14.
Install packing (27) on abutment (16).
15.
Install bearing (28) in abutment (16) until
bottomed. Use arbor press.
INSPECT
16.
Install retaining ring (29) in abutment (16). Use
retaining ring pliers.
17.
Turn shaft (10) to position vanes (30) about 90º
to mounting surface (31).
18.
Position abutment (16) with port (32) about 90º
and away from surface (31). Align two dowels
(33) in abutment, holes (34) in case (2). Install
abutment on case until bottomed.
19.
Position diaphragm (35), lip (36) inward, on
abutment (16) and shaft (10). Install lip in
abutment groove (37).
INSPECT
20.
Position cover (38) and end cover (39) on
abutment (16). Install four screws (40).
21.
Remove case (2) from vise (5).
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