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WARRANTIES, EXCLUSIVE REMEDIES, AND LIMITATION OF DAMAGES - TM-5-3895-374-24-2_522
LOW-OIL FLOAT SWITCH

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 HIGH-TEMPERATURE LIMIT SWITCH The high-temperature limit switch is located in the upper access head of the heater.  Access is possible by removing the electrical "T" condulet cover. The switch operates to prevent overheating in event of primary control failure or blocked circulation of the heater. This control is normally set to open on rising temperature a  450 F.  For high temperature operations, this  control  is  set  for  575F.  If  adjustment  is  required,  turn  the  adjusting  screw  clockwise  to  decrease temperature or counterclockwise to increase temperature. Each turn of the adjusting screw changes setting approximately 900F. CAUTION: Do not remove adjusting screw or turn adjusting screw any further than necessary for desired operation’ This action may permanently damage the unit.  When installing a temperature limit switch, avoid torque in excess of 35 ft.  pounds. Do not oil the unit, any oil around the adjusting screw will flow inside, contaminating the contacts. page 3 - 1157)







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