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Sheaves and Bushings - TM-5-3895-374-24-2_223
To Remove - TM-5-3895-374-24-2_225

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 Sure-Grip® Sheave-Bushings Installation Instructions The        Sure-Grip    tapered.        OD-type    interchangeable bushing     offers     flexible     and     easy     installation     while providing exceptional holding power.  To ensure that the bushing    performs    as    specified,    it    must    be    installed properly. Before beginning the installation, identify the bushing as follows:  Sizes JA through SK manufactured from “Sinsteel" All but Size JA have provision for a setscrew over the keyway IMPORTANT: Wedging the bushing to spread it during placement on the shaft could damage the bushing  DO NOT wedge these bushings Sizes SH through SK manufactured from steel do not have a keyway setscrew Sizes SF through S are made from cast iron or ductile iron. To  Install: IMPORTANT: DO NOT USE LUBRICANTS IN THIS INSTALLATION 1 Thoroughly  inspect  the  bore  of  the  mating  part and  the tapered surface of the bushing.  Any paint, dirt.  oil, or grease MUST be removed. Fig. 2.  Reverse Mounting 2 It following the STANDARD MOUNTING procedure      and   placing   the   bushing   flange toward the motor, place the bushing on the shaft, see  Fig.    1.    Bushings  :  NOT  made  of  Sinsteel may  require  slight  wedging  to  slip  on  the  shaft. To  wedge  them.    insert  a  screwdriver  into  the saw cut through the flange of the bushing.  DO NOT   wedge   Sinsteel   bushings,   as   this   may damage ]hem.  Place the bushing and its key on the   shaft   and   position   them   for   correct   axial alignment of the drive.; Place the mating part on the bushing, aligning the drilled holes in the part with  the  threaded  holes  in  the  bushing.    On  M through   S   bushings.      the   mating   part   and bushing    MUST    be    assembled    so    the    two threaded holes in the mating part are located as far as possible from the saw cut in  the  bushing Insert  the  cap  screws  through  the  mating  part hub into the bushing flange and finger-tighten them. 3 If  following  the  REVERSE  MOUNTING   procedure, assemble the bushing loosely into the mating part and insert the cap screws through the drilled holes in the mating  part  and  thread  them  into  the  bushing;  see Fig.  2.  Place the assembly and its key on the shaft Bushing-NOT  made  of  Sinsteel  may  require  slight wedging  to  allow  a  slip  fit  into  position.    To  wedge, insert  a  screwdriver  into  the  sawcut  in  the  bushing flange.    DO  NOT  wedge  Sinsteel  bushings,  as  this may  damage  them.    Position  the  assembly  for  axial alignment of the drive.  See Fig.  3. Fig.  3 4.    With the drive properly aligned, tighten all cap screws evenly   and   progressively   in   rotation   to   the   torque values listed in the table below.  When the screws are tightened properly, the listed torque value will remain on  all  cap  screws  and  there  will   be   a   slight   gap between the flange of the bushing and the face of the mating  hub  DO  NOT  attempt  to  lighten  enough  to close  this  gap.    Recheck  drive  alignment.    If  the bushings  have  setscrews  over  the  keyways.    insert and 58) tighten them. page 3 - 858







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