TM 10-4320-307-244-6SPEEDINCREASERREPAIR(CONT).n.Remove capscrews (31), bearing carrier (32), gasket (33), and oil seal (34).o.Remove two round head machine screws (35) and remove instruction cover plate (36) from housing (4).p.Remove two round head machine screws (37) and remove bottom cover plate (38) from housing (4).q.Remove two hydraulic (grease) fittings (39) from housing (4).NOTEInput shaft(8) is purchased as an assembly with pump coupling (40) installed. Ifthe input shaft is not damaged but the coupling is, the coupling may bepurchased separately.r.Remove coupling (40) as follows:(1) Drill a 27/64 inch (10.71 mm) hole 1-1/4 inches (31.75 mm) deep in center of coupling (40).(2) Tap a hole using a 1/2-13 bottom tap.(3) Use a slide hammer with attachment threaded into hole.4-21
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