7 - 2 .
Impact Valve Repair
a. Disassembly.
(1)
Remove impact valve (see TM 5-3820-241-12).
(2) Remove clip (1) from link assembly (2). Re-
move link assembly from lever (3) and plunger (4).
(3)
Loosen setscrew (5). Remove pin (6), then re-
move lever (3) from bracket (7).
(4)
Scribe line on body (8) and lever cap (9) so that
cap can be installed properly.
(5)
Remove four screws (10) securing bracket (7)
and lever cap (9) to body (8). Remove bracket and lever cap
from body.
(6)
Remove O-ring (11) and filter (12) from lever
cap (9). Discard O-ring and filter.
(7)
Remove four screws (13) securing spring cap
(14) to body (8). Remove spring cap.
(8)
Remove cage (15) from detent (16) being care-
ful not to lose 12 balls (17). Balls are packed in grease and
should remain inside cage.
(9)
Remove pin (18) securing detent (16) to plung-
er (4). Remove detent.
(10) Remove washer (19), O-ring (20), and bearing
(21) from body (8). Discard O-ring.
(11) Remove O-ring (22) and retainer (23) from
body (8). Discard O-ring.
(12) Remove plunger (4) and bushing (24) from
body (8).
(13) Remove O-ring (25) from each end of plunger
(4). Discard O-rings.
(14) Remove O-ring (26) from middle of plunger
(4). Discard O-ring.
(15) Remove O-ring (27) from bushing (24). Discard
O-ring.
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