7-18. Impact Valve Repair
(9) Remove pin (18) securing detent (16) to plung-
a. Disassembly.
er (4). Remove detent.
(1) Remove impact valve (see paragraph 7-2).
(10) Remove washer (19), O-ring (20), and bearing
(2) Remove clip (1) from link assembly (2). Re-
(21) from body (8). Discard O-ring.
move link assembly from lever (3) and plunger (4).
(11) Remove O-ring (22) and retainer (23) from
(3) Loosen setscrew (5). Remove pin (6), then re-
body (8). Discard O-ring.
move lever (3) from bracket (7).
(12) Remove plunger (4) and bushing (24) from
(4) Scribe line on body (8) and lever cap (9) so that
body (8).
cap can be installed properly.
(5) Remove four screws (10) securing bracket (7)
(13) Remove O-ring (25) from each end of plunger
and lever cap (9) to body (8). Remove bracket and lever cap
(4). Discard O-rings.
from body.
(14) Remove O-ring (26) from middle of plunger
(6) Remove O-ring (11) and filter (12) from lever
(4). Discard O-ring.
cap (9). Discard O-ring and filter.
(15) Remove O-ring (27) from bushing (24). Discard
(7) Remove four screws (13) securing spring cap
O-ring.
(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.
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