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 TM
5-2420-224-34
HAMMER
DRILL
REPAIR
(CONT)
28.
INSTALL HOUSING (60) on flow sleeve tube (46) so that oil ports are alined with Iever (37).
INSTALL orifice plug (61), spring (62), valve SPOOL (63), new packing (64), bushing (65), new packing
29.
(66), and wiper (67) in housing (60). Bushing (65) should project approximately 0.200 in. (5 mm) from
housing (60).
APPLY light COAT of LUBRICATING OIL to DIAPHRAGM (66) and INSTALL DIAPHRAGM in housing
30.
(60).
INSTALL TRIGGER (69) and two spring pins (70).
31.
INSTALL handle GRIP (71), two rods (72), two new lock nuts (73), and two socket head capscrews
32.
(74). TIGHTEN lock NUTS alternately in 15 Ib-ft (20 N.m) increments to 100 Ib-ft (135 N.m). TIGHTEN
socket head CAPSCREWS alternately in 15 Ib-ft (20 N.m) increments to 75 Ib-ft (100 N.m).
INSTALL charging VALVE (75).
33.
INSTALL new packing (76) and PLUG (77).
34.
21-12
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