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 TM 5-2420-224-34
HAMMER
DRILL
REPAIR
(CONT)
7.
REMOVE two socket head capscrews (13),
two lock nuts (14), two RODS (15), and
handle grip (16). DISCARD lock NUTS.
8.
REMOVE two spring pins (17) and TRIGGER
(18).
9.
REMOVE charging VALVE (11) from handle
grip (16).
10. REMOVE DIAPHRAGM (19).
11.
REMOVE wiper (20), packing (21), bushing
(22), packing (23), valve SPOOL (24), and
spring (25). DISCARD PACKINGS.
12.
REMOVE HOUSING (26) from flow sleeve
tube (27) by TAPPING GENTLY with
PLASTIC or RUBBER hammer.
13.
REMOVE HOUSING (12) from flow sleeve
tube (27) by TAPPING GENTLY with
PLASTIC or RUBBER hammer.
14.
USING slide HAMMER and SLEEVE,
REMOVE porting BLOCK (28) from housing
(12).
15.
REMOVE orifice PLUG (29) from housing
(12).
16.
REMOVE and DISCARD PACKING (30) and
backup RING (31 ) from porting block (28).
21-3
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