belfab NBM-OP Manuel D'instruction Et De Maintenance page 11

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8
OPERATING INSTRUCTIONS
SHAKER
The shaker is manually operated by an handle. The frequency of operation is
normally 3 to 4 times per day (or more when high volume of fine dust are
involved). Operate the shaking mechanism by hand to make sure that no
parts are binding and that all parts are functioning properly. Verify that all
bolts are tight before operating.
To clean the filter bags, best results are obtained when shaking action takes
place while filter bags are partially inflated before total collapse and for a time
during total collapse. The above conditions of filter bags will take place during
coast down time of fan wheel after fan motor has been switched off.
If filter bags are plugged due to over filling of storage section, clean out
manually. DO NOT USE THE SHAKER.
FILTER BAGS
The filter bags are hung on the bag shaker frame by their grommets and
attached to the hole sheet below by their snap ring cuffs (bi-bender). IT IS
IMPORTANT THAT THE GROOVE ON THE SNAP RING CUFF IS
PROPERLY ENGAGED IN THE SHEET HOLE.
The bag shaker frame is supported by at least four (4) posts of the required
length for proper bag tension.
When installing filter bags, first start with four (4) filter bags equally spaced on
the outer perimeter to verify that the bag tension is appropriate. TENSION
IS CHECKED BY PLACING THE BAG BETWEEN TWO (2) FINGERS AND
o
THEN ROTATING THE FINGERS 90 .
If tension is appropriate, then install the remaining filter bags, if not
communicate with the dust collector manufacturer.