Installation, Operation and Maintenance Manual
Unimaster Dust Collectors – Series UMA 40-750
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9 Slide filter assembly into the guides until bottom corners of filter bags make
contact with the shaker bar.
10 Locate individual filter bags in shaker bar.
11 Slide filter assembly fully home and raise mattress assembly with extended
nuts to form an airtight seal. Check top frame is against sealing rubber (see
fig. 18).
12 Dismantle mattress support frame and replace in storage position.
13 Close and fasten access doors.
14 If in doubt regarding the safe disposal of the used filter bag assembly, consult
your Environmental Health Officer.
Secondary or absolute filter replacement
1 Open secondary/absolute filter door.
2 UMA 40MM – Lift bar to release sealing mechanism.
UMA 100-450 – Undo clamping nuts or clips as appropriate and remove
retaining mesh or frame.
UMA 750 – Undo clamping nuts sufficient to allow element removal.
3 Remove used element, place it directly into a plastic bag and then seal the
bag.
4 Slide the new element into the housing, with the element seal against the
secondary/absolute filter seal frame, until it reaches the backstop.
5 Clamp element in position using the arrangement provided.
6 Close secondary/absolute filter door.
7 If in doubt regarding the safe disposal of the used element, consult your
Environmental Health Officer.
Fan assembly removal/replacement (UMA 70-750)
Isolate electrical power supply.
1 Open fan access door.
2 On UMA 750 collectors only – Remove door frame centre member, remove
mattress support frame from its storage position and remove fork lifting
beam.
3 Disconnect electrical cables from terminal box.
4 Remove fan outlet grille cover plate.
5 Remove fan securing bolts.
6 The fan assembly can now be removed using a suitable lifting
arrangement.
MAINTENANCE
