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ASSEMBLY - TM-5-3895-374-24-2_147
REPLACEMENT OF PARTS - TM-5-3895-374-24-2_149

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 Note:  If motor mount, motor and sheaves are to be installed on reducer before mounting Screw Conveyor    Drive    to    trough    end,    bypass    step    2; perform steps 3 and 4, and then return to step 2. 2.  On sizes SCXT3, SCXT4, and SCXT5A use lifting tab to  hoist  the  Screw  Conveyor  Drive  into  position.    Slide shaft   into   screw   and   adapter   over   trough   end   studs. Only  one  set  of  adapter  holes  will  fit  over  trough  end studs.    If  the  mounted  position  of  the  Screw  Conveyor Drive   varies   by   15’   from   any   of   the   four   horizontal mounting  positions  shown  in  fig.    2,  an  incorrect  set  of holes has been selected for coupling adapter to reducer. This  can  be  corrected  by  removing  adapter  screws  and rotating   reducer   to   its   proper   position.      Reinstall   and tighten  adapter  screws  to  torque  specified  in  table  3  on page  5.    Install  lockwashers  and  tighten  nuts  on  trough end studs.  Attach drive shaft to screw. 3.        Remove    the    three    bolts    from    reducer    housing required for mounting the SCD Motor Mount.  Place the motor  mount  in  position  and  install  the   three   housing bolts  supplied  with  the  motor  mount.    Tighten  bolts  to torque specified in table 3 on page 5. 4.  Install motor, drive sheave and driven sheave so that driven   sheave   is   as   close   to   the   reducer   housing   as practical.        Install    V-belt    and    tension    with    the    four adjusting   screws   provided   on   the   SCD   Motor   Mount. Install Belt Guard.  Make required electrical connections for motor. 5.  Because reducer is shipped without oil, it is necessary to  add  the  proper  amount  before  operating   the   drive. Use  a  high  grade  petroleum  base,  rust  and  oxidation inhibited (R & O) gear oil-see lubrication tables. 6.      Retighten   bolts   and   pipe   plugs   after   a   few   days operation This prevents oil leakage. Fig.  3-Complete Drive. LUBRICATION Under   average   industrial   operating   conditions,   the lubricant    should    be    changed    every    2500    hours    of operation   or   every   6   months,   whichever   occurs   first. Drain  reducer  and  flush  with  kerosene,  clean  magnetic drain  plug  and  refill  to  proper  level  with  new  lubricant. Caution:    Too  much  oil  will  cause  overheating  and  too little will result in gear failure.  Check oil level regularly. Under  extreme  operating  conditions,  such  as  rapid rise    and    fall    of    temperatures,    dust,    dirt,    chemical particles,   chemical   fumes    or    oil    sump    temperatures above  200’  F,  the  oil  should  be  changed  every  1  to  3 months depending on severity of conditions. NOTE: Pour   point   of   lubricant   selected   should   be   at least  10’  F  lower  than  expected  minimum  ambient starting temperature. Extreme pressure (EP) lubricants are not recommended for average operating conditions. Special  lubricants  may  be  required  for  food  and drug  industry  applications  where  incidental  contact with   the   product   being   manufactured   may   occur. Consult  a  lubrication  manufacturers’  representative for his recommendations. Table 1-Oil Volumes. page 3-782







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