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TS OM535 Date of Issue: 13.07.04 Hodge Clemco Ltd
Dust emerges from the
extraction duct
connection during the
filter shaking process
A very short duct system has
been connected to the filter’s
inlet opening
Leaking return flap
Make the duct system longer
Mount a return flap in the inlet
duct
Check that the closing flap is
level and shuts tight
The fan vibrates
The fan impeller is rotating
in the wrong direction
Dust on the fan impeller
The fan impeller is
damaged and thus not in
balance
The fan is loose
Reverse motor direction
Clean the fan wheel
Balance or replace the fan
impeller
Check and fasten the fan
The motor is burnt out
A defective or wrongly
adjusted protective
overload
Adjust or replace the overload
Too high power
consumption
The fan operates at too
low a system resistance or
too high airflow volume
Increase the system resistance
Reduce airflow volume by
closing volume control dampers
Close suction points not in use
Noise from inlet
The fan impeller rubs
against the inlet
Adjust or replace inlet fitting
The cleaning is not
effective
Filter bag blinded
Shaker running slow
Clean manually or replace bag
Check mechanism of shaker
Re-location or disposal of units.
Safety note.
Stop and isolate the plant and use suitable personal safety equipment
before commencing this work on the filter unit. All operations should be performed only
by suitably qualified and experienced personnel. Isolate electrical supply before
commencing. To remove large assemblies or components, a crane should be used.
Clean the unit as far as possible before dismantling. Dispose of waste matter in
accordance with the guidelines for the type of waste present.
After dismantling, the filter may be separated into:
1. Filter bags
2. Electrical motors
3. Electrical components
4. Steel parts
Filter bags containing dust must be disposed of in accordance with appropriate standards.
In addition to the above parts, the units contain plastic parts and rubber seals, (for high-
temperature units, silicone seals).
The filter materials are normally composed of :
Polyester needlefelt, perhaps with antistatic, ptfe or other chemical treatment.
Other: Please request data sheet for filter material.
Other technical information.
Operating pressure.
Auto M Z-Series: -
