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Dalamatic Insertable Dust Collectors – Series DLM V
Installation, Operation and Maintenance Manual
Six-monthly
The fan impellor has been dynamically balanced and the fan assembly vibration
level should be in line with category BV-3, ISO 14694. An assessment of vibration
should be made every six months, or after a significant emission, or after any
misuse and a record kept of measured values. Excessive vibration levels should
be investigated and corrected immediately.
Vibration monitoring is mandatory on category 2G, 3G and 2D fan
assemblies.
Annually
1 Moisture separator – Isolate the compressed air supply; remove and clean
the filter element.
2 Air manifold – Having isolated the compressed air supply, remove the drain
plug and air inlet connections and clean out any accumulated sludge and
inspect to any current local legislation.
It may be necessary to remove a diaphragm valve for internal
inspection purposes.
3 Doors – Check the dust seals on all access doors for damage or ageing
and ensure that they are properly seated to prevent entry of water. This is
particularly important where the dust collector is located outside or in a wet
atmosphere.
Faulty seals must be replaced.
4 Filter elements (inserts and bags) – Remove the jet tubes then remove each
filter element and check the general condition of the bag. Clean each bag
using a vacuum cleaner. If the dust is of an abrasive nature it is advisable
to examine the elements more frequently.
Bags showing holes must be replaced. Place used filter bag into
a sealable bag and dispose properly.
If in doubt regarding the safe disposal of the used filter bag,
consult your local regulations.
When refitting filter elements, do not over-tighten. If elements are
horizontally mounted, tighten bottom clamp first. (Recommended
maximum torque 20 ft-lbs f or 27 Nm.)
5 Jet Tubes – Check that the jet tubes are clean and that the jet orifices are
clear.
6 Flameproof maintenance – It is important that all flameproof enclosures,
motors and cable glands are inspected for corrosion and tightness on an
annual basis.
In particularly aggressive environments, this period should be more
frequent.
MAINTENANCE
