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Figure 3-59  Feed Gate
Figure 3-60  Feeder Flow Switch

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 3-9-4 Feeder Flow Switch Removal, Repair and Replacement See figure 3-60. This procedure assumes a complete removal, repair and replacement of the assembly.  A partial disassembly, repair and replacement  is  possible.    Follow  the  procedure  to  the  point  of  removing  only  those  components  requiring  repair  or replacement.  The procedure is the same for all four of the feeder drives. A. Disassembly 1. Disconnect and lock out the breakers for the feeder drive motor and the gathering conveyor motor. 2. Remove the limit switch cover and mark the wires.  Disconnect the electrical wire from the terminal. 3. Remove the three fasteners in each of the brackets.  The complete assembly can be removed from the feeder. 4. Loosen the set screw in the cam and slide it off the shaft. 5. Loosen the bolt in the counter weight and slide it off the shaft. 6. Remove  the  bolts  in  the  flange  bearings,  loosen  the  bearing  lock  collars  and  remove  the  flange  bearings  and brackets from the shaft. 7. The  bolt  in  the  stop  arm  bracket  can  be  removed  and  the  bolts  holding  the  stop  arm  to  the  bracket  can  be removed. 8. Clean all components. B. Inspection 1. Inspect the stop arm for wear or damage.  Repair or replace as required. 2. Inspect the shaft.  If it is bent replace it. 3. Check the bearings to see if the seals have been damaged  or  if  the  bearing  turns  smoothly.    If  it  does  not  turn smoothly or if the seals are damaged, replace them. 4. Inspect the limit switch lever for damage or wear and replace if necessary. page 3 - 1306







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