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PACKED PUMPS
ASSEMBLY - TM-5-3895-374-24-2_581

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 FIGURE 5. DISASSEMBLY 1. Mark  head  and  casing  before  disassembly  to  insure proper  reassembly.    The  idler  pin,  which  is  offset  in pump   head,   must   be   positioned   toward   and   equal distance between port connections to allow for proper flow of liquid through pump. Remove  head  from  pump.    Do  not  allow  idler  to  fall from idler pin.  Tilt top of head back when removing to prevent this.  Avoid damaging head gasket.  If pump is furnished with pressure relief valve, it need not be removed   from   head   or   disassembled   at   this   point. Refer to Pressure Relief Valve Instructions, page 11. If pump has jacketed head plate, it will separate from head when it is removed.  The gasket between head and jacket head plate must be totally removed.  Use new gasket when assembling pump. 2. Remove idler and bushing assembly. 3. Insert   length   of   hardwood   or    brass    through    port opening    between    rotor    teeth    to    keep    shaft    from turning.      Bend   up   tang   of   lockwasher   and   with   a spanner wrench remove locknut and lockwasher from shaft. page 3-1214







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