Associated Equipment 73-250 Theoryofoperation, producingveryhighvelocityarrflowthroughtheunit

Models: 73-250

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THEORYOFOPERATION

THEORYOFOPERATION

Thisunitis a lightweight,portableaircleaner ernployingtwothermallyprotected,high performance,flowthrcughvacuummolors

producingveryhighvelocityarrflowthroughtheunit

'By(2 %")inletplusa varietyof utilizinga large

collectrngnozzlesandfittingsflnesolidpadiculate maierial;ndsmokemaYbe removedfromtheair by

thefiltermedia.

An initialsparktrapcollectslargepartiolesbefore thevreachthefilter. An easyto emPtytrayis attacheclto thefrontcoverto enabletheremovalof lhe larqegarticlescollectedbythesparktrapwithout removingthefilter.Thistap furtherisolatesthefilter fromsparksinthecaseof a weld,ngoperatlon.

A"cloooed"fllterliqht.actuatedby a d ferential oress;; switchis-anintegralpartoftheunit When ihefiltersbecote clogged,the lightwillilluminate' At thispoint,thefiltershouldbechanged

GENERALMAINTENANCE ONLYQUALIFIEDSERVICETECHNICIANS SHOULDMAKEREPAIRSTOTHISUNIT'

DONOTREPLACETHESEMOTORSWITH MOTORSOTHERTHANTHOSERECOMMENDED

BYTHEMANUFACTURER,

UNPACKING

Carefullyinspectthe unitforconcealeddamagethat mavhaveoccunedduringshippingandhandling lf ani damageis found,immediatelycontactthe Fr;iohtcomoanv.Makesurethereareno dentsin theiousing,as theymightpreventthefilterfrom slidingintotheunitsmoolhly lf thereis noevidence of da;aqe, removetheendcoverbyreleasingthe tworubGr latches.Removalof thefrontcoverwill allowinspectionof theinsideof theunit

Afterunpackingthemachine,checkto seethatthe followingpartsandaccessoriesarepresenl:

1)- 10'FlexibleHose

1)- Coupling

1i - Flexibbtetal Hose/MagneticBasecomPonent Parts.(SeeFiglre#2 ForIndividualParts Included)

1)- SlotNozzle

1)- Filter

INSTALLATION(SeeFisure#1)

1.lnsertthefilter,gasketfrrst,intotheunit. Then Dlacetherubberthensteelwashersoverthe threadedrod.Tightenthewingnutdownsothat thefilteris sealedandwillnotrotate.

2.Reolacethefrontcover/sparktrapassemblyand re-iatchthecoverusingthe rubberlatches.

3.Connecttheunitto thepowersourceandtest theoperationof theunitbyturningit ONwiththe On/Offswitch.Shouldthemotorsnotstart,or shouldthemachinemakeunusualnoises'

immediatelvturnthemachineoff andseek personnelOnce.thetestis

trainedmaintenance complete,turntheunitbackOFF

4.Attachthe hoseto the inlet

5.Assembletheflexiblemetalhoseandnozzleper

Figure#2.

6Connectthehose/nozzlecomolnatlon assembledin Step5 aboveto themachinewith the10'flexiblehoseandthesuppliedcoupling

ThiscomDletesthebasicassemblyofthe unit Deoendinqupontheaccessoriesorderedandthe looisticaoithe wo* place,lhe installation

oo'nfigurationmaYvary.

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Associated Equipment 73-250 Theoryofoperation, producingveryhighvelocityarrflowthroughtheunit, thefiltermedia, Figure#2