TM 5-3895-369-14(37)If tooth contact pattern on ring gear (1) islike PATTERN E, move pinion away fromring gear by adding shims, then repeatsteps (27) and (28).(38) To Increase backlash, proceed as follows:(a)Remove bearing cup (23) and one oftwo shims (22) from gear housing (21).(b)Install remaining shims (22) andbearing cup (23) in gear housing (21).(c)Repeat steps (26) through (36).(39) To decrease backlash, proceed as follows:(a)Remove bearing cup (25) and one oftwo shims (24) from cover (26).(b)Install remaining shims (24) andbearing cup (25) in cover (26).(c)Repeat steps (26) through (36).5-546
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