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 TM 5-2420-224-34
IMPACT
WRENCH
REPAIR
(CONT)
8.
INSTALL new packing (15), nut (16), and relief adjustment SCREW (17) in motor cap (18). INSTALL
relief adjustment SCREW (17) number of turns noted to maintain correct impact force. TIGHTEN NUT
(16).
INSTALL BUSHING (19) in main housing (7).
9.
10.
INSTALL BUSHING (20) and idler gear BUSHING (21) in motor cap (18).
11.
INSTALL worm shaft (22), idler GEAR assembly (23), and idler shaft (24).
12.
INSTALL new PACKING (25) in groove of motor cap (18).
13.
SLIDE main HOUSING (7) over worm shaft (22) until housing seats securely against motor cap (18).
14.
APPLY COAT of GAA to eight socket head SCREWS (26) and INSTALL eight socket head SCREWS
(26) and eight new lock washers (27). TIGHTEN socket head SCREWS to 22-25 Ib-ft (29.8-33.9 N.m).
15.
INSTALL two new PACKINGS (28 and 29), flat washer (30), and retaining ring (31).
21-21
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