2.
J.
4.
V. OPERATION
Getting
started
l. Positionunit in desiredlocation.
CAUTION: Donotattempttomove
the
PORTA-CAT
unit bypulling ontheswing
arm or hood.
Usethefull width bar-type
handle
onthebackof theunit topush
the
PORTA-CATtodesiredlocation.
Lock rearwheelcasterson theunit to secure
inplace.
Plugtheunit into aproperlygrounded
electrical
receptacle.
Turntheunit onby pushing
thetoggleswitch
to the"on" position.
On three-phaseunits,
fanrotationwill needto beverifiedby
matching
fanrotation
with the"rotation"
decalontheblowerhousing.Rotation
should
beclockwiseasviewedfrom themotorside.
Any two motor starterleadsshouldbe
reversedif therotation
is not correct.
Thefilter monitor gauge
shouldreadbetween
0.5"and0.75"w.g.
whileunit isoperating
with cleanfilters.
Positioningunitforeffectivecontaminant
collection
1. Positiontheunit, armandhoodsothe
contaminantis collectedas
it is released/
produced
by theprocess
or operationand
operatorinterferenceis minimal.
Positionthehoodwherethereis minimal
influenceof crossdraftscomingfrom outside
air sources
or otheroperations.
Positionthe hoodslightly higherthanthe
contaminantsource.
with theface
of thehood
approximately45degrees
from horizontal.
Thehoodshapeis designed
for highvelocity
pick-up.It shouldbelocatedascloseto the
contaminantsourceas
practical
andnofurther
than14"from thecontaminantsource.
Checklist
l. Checkcleanairoutlet.Discharge
air should
remainvisibly clean.If afilter leakshould
develop,thepressuregauge
reading
will
decrease.
2. Check
pressure
droponfilter monitorgauge.
Pressure
dropacrosselementsis considered
normalat0.5" to 1.5"w.g.Pressure
drop
readingsover 1.5"w.g.may indicate
theneed
to replacefilters.
For filter replacement,see
Section
VI.
VI. MAINTENANCE
Beforeservicing
l. Collecteddustmaybehazardous.
Consultwith
properauthorities
for handlinganddisposal.
2. Collecteddustmaybeapotential
fire hazard.
3. Wearappropriate
protective
clothing.
4. Be environmentallyaware
of collecteddust
anditsproper
disposal.
5. Pressunittoggleswitchto "offl'position.
Unplug unit from electrical
powersource.
A. FilterMaintenancelReplacements
Whentheunit pressuregauge
exceeds1.5",
the
internal filters may requirereplacement.
Usethe following procedure
for filter
replacement:
l. Disconnect
power
to unit (unplug
unit).
2. Unlatchfilter accessdoorandinspect
prefilter. Discardtheprefilter if it is a
disposabletype.Replacethefilter with the
recommendedUAS partnumberselected
from TableI onpage
2.If the
prefilter is a
reusable
metallictype,
cleanandreinstall.
Closethedoor,reconnect
powerandrestart
theunit.
3. Check
pressuregauge
reading,if over1.5"
w.g.,continueto step4.
4. Disconnect
power
andunlatchdoor.
5.
2.
3.
