
CAT850XLR 4 Rev. 2/3/15
Drain Daily
RegulatorOilerQuick CouplerLeader
Hose
Nipple
Do Not Install
Quick Coupling
Here
Nipple
Filter
Air Supply
Whip Hose
AIR SUPPLY
Tools operateonawiderangeofairpressures. It is required that
air pressure measures 90 psig at the tool with the trigger fully
depressedandnoloadappliedtothetool.Higherpressure(over90
psig;6.2bar)raisesperformancebeyondtheratedcapacityofthe
tool,whichwillshortentoollifeandcouldcauseinjury.
Alwaysuseclean,dryair.Dust,corrosivefumesand/orwaterinthe
airlinewillcausedamagetothetool.Drainthewaterfromairlines
andcompressorpriortorunningtool.Cleantheairinletfilterscreen
weekly.Therecommendedhookupprocedurecanbeviewedinthe
abovefigure.
Theairinletusedforconnectingairsupplyhasstandard1/4"NPT.
Linepressureshouldbeincreasedtocompensateforunusuallylong
airhoses(over25feet).Minimumhosediametershouldbe3/8"I.D.
andfittingsshouldhavethesameinsidedimensionsandbetightly
secured.
Ensureanaccessibleemergencyshutoffvalvehasbeeninstalledin
theairsupplylineandmakeothersawareofitslocation.
LUBRICATION
Lubricatetheairmotordaily with highqualityairtooloil.If no air
line oiler is used, run 1/2 oz. of oil through the tool.The oil can
be squirted into the tool air inlet or into the hose at the nearest
connectiontotheairsupply,thenrunthetool.Arustinhibitiveoilis
acceptableforairtools.
WARNING:After an airtoolhasbeenlubricated,oilwilldischarge
throughtheexhaustportduringthefirstfewsecondsofoperation.
Theexhaustportmustbecoveredwithatowelbeforeapplyingair
pressuretopreventseriousinjury.
OPERATION
Letthetooldothework.Donotputextremepressureonthetool.
This will only slow down the speed of the cutting wheel, reduce
cuttingefficiency,andputanadditionalburdenonthemotor.Start
thetooloffthework,setitdownontheworkevenlyandmovein
thedirectiondesiredtomakethecut.Whenfinishedcutting,liftoff
theworkbeforestoppingthemotor.
Alwaysusetherequiredwheelguardtopreventinjuryfrombroken
cut-offwheelparts.If a guard has withstood a wheel breakage,
discontinue its use and replace it with a new guard. It may be
damaged. Position the guard between the cut-off wheel and the
operator.Usebarrierstoprotectothersfromwheelfragmentsand
cuttingsparks.
to guard
against flying rust and chips (users and bystanders). Use only
Even small projectiles
caninjureeyesand cause blindness.Acut-offwheelthatbreaks
can cause very serious injury. Daily measure the tool speed with
atachometertomakesurethespeedisnotgreaterthantheRPM
markedonthecut-offwheel.
with a speed lower than the tool speed.
NOTE:Beforecutting,testcut-offwheelbybrieflyrunningthetool
atfullthrottle,underabarrier(suchasaheavyworktable)tostop
anypossiblebrokenwheelparts.
NOTE:Always shut off air supply, drain hose of air pressure and
disconnecttoolfromairsupplywhennotinuse,beforechanging
accessoriesorwhenmakingrepairs.
TROUBLESHOOTING
Otherfactorsoutsidethe tool may causelossofpowerorerratic
action.Reducedcompressoroutput,excessivedrainontheairline,
moistureorrestrictionsinairpipesortheuseofhoseconnections
ofimpropersizeorpoorconditionsmayreduceairsupply.Gritor
gum deposits in the tool may cut power and may be corrected
by cleaning the air strainer and flushing out the tool with gum
solventoiloranequalmixtureofSAE#10andkerosene.Ifoutside
conditionsareinorder,disconnecttoolfromhoseandtaketoolto
yournearestauthorizedservicecenter.
WARRANTY
CornwellQualityToolsCompany(“Cornwell”)warrantsthisproductagainstdefectsinmaterialandworkmanshipforaperiodofONE(1)YEARfromthedateoforiginalretailpurchase.
Subjecttotheconditionsandlimitationssetforthbelow,Cornwellwill,atitsoption,eitherrepairorreplaceanypartoftheproduct(s)thatprovesdefectivebyreasonofimproper
workmanshipormaterials.
This warranty does not cover any damage to this product that results from accident, abuse, misuse, natural or personal disaster, or any unauthorized disassembly, repair, or
modification.Repairs,disassemblyandmodificationareonlyauthorizedtobemadebyCornwelloraCornwellAuthorizedWarrantyCenter.
WARRANTY SERVICE
Inordertohaveyourtoolrepaired,returnthetooltoanyCornwellAuthorizedWarrantyCenter,freightprepaid.Pleaseincludeacopyofyourproofofpurchaseandabriefdescription
oftheproblem.Thetoolwillbeinspectedandifanypartorpartsarefoundtobedefectiveinmaterialorworkmanship,theywillberepairedfreeofcharge,andtherepairedtoolwill
bereturnedtoyoufreightprepaid.
EXCLUSIONS AND LIMITATIONS
THISWARRANTYANDTHE REMEDIESSETFORTHABOVEARE EXCLUSIVEANDIN LIEUOFALL OTHERWARRANTIES,REMEDIESANDCONDITIONS,WHETHERORAL ORWRITTEN,
EXPRESSORIMPLIED.CORNWELLSPECIFICALLYDISCLAIMSANYANDALLIMPLIEDWARRANTIES,INCLUDING,TOTHEEXTENTPERMITTEDBYAPPLICABLELAW,ANYWARRANTIES
OFMERCHANTABILITYANDFITNESSFORAPARTICULARPURPOSE.IFCORNWELLCANNOTLAWFULLYDISCLAIMIMPLIEDWARRANTIESUNDERTHISLIMITEDWARRANTY,ALLSUCH
IMPLIEDWARRANTIESARELIMITEDINDURATIONTOTHEDURATIONOFTHISWARRANTY.
INNOEVENTSHALLCORNWELLBELIABLETOTHEPURCHASERORTOTHEUSEROFACORNWELLPRODUCTFORANYSPECIAL,INCIDENTALORCONSEQUENTIALDAMAGESBASED
UPON BREACH OFWARRANTY, BREACH OF CONTRACT, NEGLIGENCE, TORT, ORANY OTHER LEGAL THEORY. SUCH DAMAGES INCLUDE,WITHOUT LIMITATION, EXPENSES, LOST
REVENUES,LOSTSAVINGS,LOSTPROFITS,ORANYOTHERINCIDENTALORCONSEQUENTIALDAMAGESARISINGFROMTHEPURCHASE,USEORINABILITYTOUSETHECORNWELL
PRODUCT.
Somestatesdonotallowtheexclusionorlimitationofincidentalorconsequentialdamagesorexclusionsorlimitationonthedurationofimpliedwarrantiesorconditions,sotheabove
limitationsorexclusionsmaynotapplytoyou.Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightsthatvarybystate.
RepairkitsandreplacementpartsareavailableformanyCornwellproducts,regardlessofwhetherornottheproductisstillcoveredbyawarrantyplan.