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SAFETY INFORMATION
TROUBLE SHOOTING GUIDE

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 FEBRUARY 1993 MAINTENANCE BAGHOUSE All  joints  and  connections  to  the  baghouse  should  be  made  air  tight.    Visual  checks  should  be  made  on  welds, flanged connections, gaskets, access doors, and clean outs to insure a positive seal. Look for signs of corrosion in both the dirty and clean side of the baghouse.  Clean and recoat as required. BAGS Replace  any  bags  that  are  torn,  worn,  blinded  or  have  hardened  build  up  of  dust.  If  the  bags    show  a  sign    of general wear, all  should replaced at  the same time. Bags should be checked to be sure that all are in place, properly hung, and sealed against tubesheet. SCREW CONVEYORS & AIRLOCK Reference Winsmith and Dodge manual Inspect  bearings,  gear  reducers  and  chain  for  proper  lubrication.  Check  belts  for  wear,  stretching  or  cracks. Check the rotor and housing for material build-up which could cause a Jam.  Make certain that no foreign objects, such as tools, have fallen into the conveyors during maintenance. PULSE CONTROL Timing  boards  are  factory  tested  and  come  with  a  one  year  warrantee  for  defects  in  materials  or  workmanship, from date of purchase.  In case of failure, it is recommended that the timing board be returned to the factory for repair or replacement. It is recommended that the control be mounted where it is protected from vibrations, dust, and weather.  Do not leave the control box door open. Do  not  use  a  convertor  or  invertor  for  the  power  source.    Do  not  mount  control  in  high  transient  voltage  area without an isolation transformer. HEADER ASSEMBLY Solenoid valves See Goyen Bulletin RCA-3DSV Diaphragm valves See Goyen Bulletin RCA-40DD Header pipe - Make periodic checks of all compressed air piping for leakage.  Keep lines clear of dirt, water, and oil.  Air pressure at the header should be maintained at 80-95 PSIG. page 3-697







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