TM 10-4320-307-244-6SPEEDINCREASERREPAIR(CONT).n.Set clutch housing (2) with attached parts on a bench with clutch end facing up and support firmly on wooden blocks.o.Lower clutch assembly (74) over clutch shaft and onto clutch housing, engaging trunnions on sleeve collar with throwout yoke.p.Align shaft keyway with keyway in hub and backplate. Install key (75).q.Install hub nut lockwasher (76) onto clutch shaft, indexing its lower tab in spot drilling provided on hub and backplate.r.Install hub nut (77). Tighten hub nut using 30 ft-lbs(40.67 Nm) torque to seat tapers and remove clearances. Rap hub and backplate with a soft hammer and check torque of hub nut. Retorque to 30 ft-lbs (40.67 Nm).s.Route hose assembly (70) free of moving parts and push fitting (72) through the hole provided in clutch housing. Install lockwasher (78) and jam nut(79) to retain fitting in housing.t.Adjust speed increaser clutch assembly in accordance with paragraph 3-18.u.Place instruction cover plate in position on clutch housing. Secure plate with two roundhead machine screws 1/4-20 x 1/2. Torque screws to 11ft-lbs (14.91 Nm).v.Place bottom cover plate in position on clutch housing. Secure plate to housing with two roundhead machine screws 1/4-20 x 1/2. Torque screws to 11 ft-lbs (14.91 Nm).4-34
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