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Figure 3-64  Gathering Conveyor Tall Section
Figure 3-65  Gathering Conveyor Fold Section

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 10. Support the discharge hood with a hoist or crane and remove the fasteners holding the hood in place.  Remove the hood. 11. The belt scraper is held on with two fasteners, one on either side of the conveyor.  Remove the fasteners and the belt scraper. 12. Support  the  head  pulley/shaft  assembly  with  a  sling  around  the  head  shaft  on  either  side  of  the  head  pulley. Remove the two bolts in each of the two pillow block bearings.  The assembly can be removed. 13. Loosen the lock collar on the pillow block bearing and remove the bearing from the shaft.  Repeat for the other bearing.  The pulley is removed from the shaft by removing the two bushings holding the shaft in the pulley.  The pulley can be removed from the shaft. 14. Remove the back up bar from the discharge hood by removing the fasteners. 15. Remove the scraper back up plate from the belt scraper. B. Inspection 1. Inspect  the  pillow  block  bearings.    If  the  seals  are  damaged  or  leak  grease  or  if  the  bearing  does  not  rotate smoothly, replace it. 2. Inspect the pulley shafts for damage and to determine if they are straight. Replace the shaft(s) if it is bent. 3. Inspect the pulley end plates for damage or cracks.  Repair or replace the pulley if either end plate is damaged. The  head  pulley  face  has  been  vulcanized  with  rubber.    If  this  rubber  is  worn  off,  re-vulcanize  50  duro-meter rubber to the pulley face or replace the pulley. 4. Inspect the pulley bushings.  If they are damaged, cracked or worn, replace them. 5. The scraper rubber must extend beyond the scraper back up plate by at least one inch.  If it does not, adjust the rubber so that it does or if necessary, replace with a new rubber. 6. The  scraper  extra  weights  are  adjustable  on  the  scraper.    Position  these  so  that  the  scraper  does  not  bounce when the belt is running.  This means adjusting their location after start up (but not while the conveyor is running). page 3 - 1320







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