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Installation, Operation and Maintenance Manual
Unimaster Dust Collectors – Series UMA 40-750
44
SPECIFICATION
The controller is supplied for remote mounting. On collectors with fan, the
controller is connected to the fan and shaker motors via a terminal box usually
mounted on the right-hand side of the fan chamber. On venting type collectors,
controller connection is made directly to the shaker motor.
The controller must not be mounted on the side of the collector.
On collectors with dust containers, the contaminated air inlet is in the hopper and
can be positioned at the rear or either side (two inlets are required on the UMA
450 and 750). The cleaned air outlet is at the top on all collectors except for the
UMA 40 and 40MM, where it is at the rear or side, and the UMA V with a weather
cowl, where it is at the side.
Filter assembly
The filter assembly consists primarily of a filter bag which can be made from a
variety of materials to suit the application. The top of the bag is wrapped around
a top frame which provides support and a rigid sealing face. The bag also has
inserts placed in each individual pocket to maintain bag shape and help dislodge
dust during the cleaning cycle.
Seal frame
The seal frame is a rigid structure fabricated out of sheet steel with a rubber seal
attached to its underside. This provides a clamping face and seal for the filter
assembly. The filter assembly clamping is provided by two mattress runners which
fit underneath the top frame, each having two threaded bars protruding through
the seal frame. These are secured on UMA 40-450 collectors by using wing nuts
(see fig. 17), and on the UMA 750 by a clamping device, which is operated by
extended nuts protruding through the door frame (see fig. 18).
Figure 17 Filter clamping arrangement for
UMA 40 to 450 collectors
Spacer
Side panel
Seal frame
Mattress runner
Top frame
Sealing rubber
Wing nut
Insert
Filter bag