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MAINTENANCE - TM-5-3895-374-24-2_63
TABLE TWO BAGHOUSE TROUBLE SHOOTING

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 FEBRUARY 1993 TROUBLE SHOOTING GUIDE This section on trouble  shooting  is  provided  as  a  guide  for  pinpointing  in  a  hurry,  the  cause    of  any  problem  connected with the baghouse,  thereby cutting downtime  and maintenance costs. The following charts list the most common problems, which may be found in a baghouse air pollution control system, and offers general solutions for the problems.  In checking out any malfunction, check out the obvious  and simplest steps first. There are a number of instances in which the solution is to consult the manufacturer. In either case, the key to good trouble shooting is a good maintenance program which may eliminate possible downtime. It is also very important to maintain a good inventory of recommended spare parts. TABLE ONE JET PULSE TROUBLE SHOOTING TROUBLE POSSIBLE CAUSE REMEDY Unit does not operate No power to unit Check input voltage Blown fuse Locate & correct short circuit. Replace  circuit. Timer operation okay but Broken  power lead  to Check continuity of all pilot valves inoperate valve valves Broken lead from common Check continually of all to pilot valve pilot valve repair  as necessary Timer operation okay but Open valve circuit Check continuity to open one pilot valve not functioning valve  repair  as necessary Faulty output circuit Check timer output voltage Failure of pilot valve Relieve air pressure; disassemble pilot; clean and repair Timer  and pilot value Failure of diaphragm Relieve air pressure; function but diaphragm valve disassemble valve; does not clean and repair One pilot valve stays on Faulty output circuit Remove power from timer; continuously if valve closes, change timer sequence board; if not, clean and repair valve The  timers  have  a    one  year  warranty  on  parts  an  workmanship.  If  timer  fails  to  operate,  do  not  attempt  to  service. Contact Griffin Environmental Co., Inc.  immediately. NOTE: If collector operation is critical to plant  operation, a timer sequence board should be carried as a spare. page 3-698







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