TM 5-3895-371-24& PSection XXVI. VACU-FLO, INTAKE, AND CONTROL VALVES MAINTENANCE2-30. Vacu-Flo, Intake, and Control Valves.a.Removal/Disassembly. (Refer to fig. 2-34 and 2-35.)(1)Remove end cover (5, fig. 2-35) by removing thirteen capscrews (7).(2)Remove bottom cover (12) by removing attaching capscrews.(3)Remove top cover (4) by removing twenty capscrews (19).(4)Remove cotter pin (2) and taper pin (3).(5)Loosen pipe nuts (6), (9), and (11) on the right hand intake valve (8), and pipe nuts(13), (18), and (16) on the left hand intakevalve (15).(6)Remove left hand intake valve (15) and gasket (14); or right hand intake valve (8) andgasket (10) by disconnecting the pipe nuts completely on the valve being removed.(7)To disassemble remove four bolts and lockwashers from valve bottom plate (6, fig.2-34).(8)Remove plate gasket (5) and compression spring (3); throw gasket away.(9)Remove two capscrews and washers from large gland cap (2).(10)Remove compression spring (3) and dual valve packing (4).b.Assembly/Installation. (Refer to fig. 2-34 and 2-35.)(1)Assemble compression spring (3, fig. 2-34) and new dual valve packing (4).(2)Assemble large gland cap (2) with two capscrews and washers.(3)Assemble compression spring (3) and new plate gasket (5).(4)Assemble valve bottom plate (6) using four bolts and lockwashers.(5)Install left hand intake valve (15, fig. 2-35) or right hand intake valve (8), making surethat the top of the valve connects to drive linkages above.(6)Install new gaskets (10) or (14) and connect pipe nuts (13), (18) and (16) for left handintake valve (15); connect pipe nuts (6), (9), and (11) for right hand intake valve (8).(7)Tighten all six pipe nuts.(8)Rotate right hand intake valve (8) so that holes for tapered pin (3) line up; then installtapered pin (3) and cotter pin (2).(9)Install top cover (4) with twenty capscrews (19).(10)Install bottom cover (12) with capscrews.(11)Install end cover (5) with thirteen capscrews (7).2-79
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