Publication: MAN3002G
MAC Equipment, Inc.
7
Figure 4-7 Jumpers and Wiring of the Photohelic Switch/Gauge
Bag and Cage Installation
Filter bags and cages are shipped loose and are installed after the AVR
filter has been assembled and set in place. Installation of bags and
cages is made from inside the unit.
Install bags and cages as follows:
1.
Be sure the bag cage has a bottom cap. Slip the bag over the bag
cage, centering the seam 1-1/2 or 2" either side of the slot at the top
of the bag cage.
2.
Fold the remainder of the bag over the top of the cage. Make sure
the cloth on the inside of the cage extends below the ring on cage
top. Smooth out all folds on interior. If the bag is equipped with a
grounding strip see ground strap installation instructions.
3.
Slide the bag and bag cage on to the bag cup until the top of the bag
is approximately 1/8
”
from
the tube sheet.
4.
Make sure ring on cage will fit into corresponding groove on the bag
cup. Squeeze cage together and slide up and down. You will be
able to tell if ring and groove are aligned.
Installation Instructions: MAC Bags With Grounding Straps
for Grounding Metal Cages
Proper installation of bags and cages is required to ensure that the metal
cages are not isolated from ground with the tubesheet (cell plate) in
applications that have potential for an explosion hazard.
Section A: Bag Installation
A grounding strap at the top of the bag is intended to ground the cage
and clamp to the grounding lug on the tubesheet. Ensure that the bag
cup/venturi is cleaned to remove dust and corrosion buildup. Position the
cage in the bag so that the split in the cage top is located at 90 degrees
from the seam on the bag. This will ensure that the grounding strap will
not be located in between the split. Tuck the bag top into the cage top
and install bag, cage, and clamp per the instructions in the bag and cage
installation section.
The effectiveness of a grounding mechanism
depends upon proper installation and connection
of the grounding mechanism to an adequately
collector component. Failure to properly install
and connect grounding mechanism or maintain
grounding of the collector component may result
in static electricity discharge and possible
explosion of dust stream within the collector and
serious property damage and/or bodily injury.
Proper installation must be verified per Section B
of these instructions prior to operating collector.
The bag cup is made from an insulative material,
which requires the attachment of the free end of
the grounding strap to the provided grounding
lug. This provides a grounding path for the metal
cage and clamp components.
1/8
”
Grounding strap
Grounding strap
Summary of Contents for AVR
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