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TM 5-2420-222-34
16-5.
HYDRAULIC IMPACTOR REPAIR (Con’t).
25.
Slide two bushings (11) over ends of transport shaft (14).
26.
Slowly release pressure on arbor press until bushings (11)
come in contact with cam (18). Remove lower housing (1)
and spring compression tool from arbor press.
27.
Torque two screws (16) to 80 lb.-ft. (108 N•m).
28.
Fill striker (6) 1 1/4-1 1/2 in. (3.2-3.8 mm) from top with
impactor lubricant.
29.
Install new preformed packing (9) in striker (6).
30.
Aline striker (6) with grooves in guide ring (4) and install six
screws (5). Torque screws to 255 Ib.-ft. (346 N•m).
TA701681
16-29
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