Page 39 - dust collection systems
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fuse to protect it from power surges. If a timer board does
not function, replace the fuse if blown. Replace the timer
board if there in no problem with the fuse. There could also
be too much pressure / resistance in the system for the coil
to counteract. You can test this by disconnecting the valve
from any pressure and then operating it. The coil should
warm up slightly and you should hear a clicking sound on
activation.
A valve may not close if its spring has broken or has lost
elasticity.
Possible causes for common problems that may be
encountered with a pulse jet filter and
.
Refractory
