manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Cornwell Tools
  6. •
  7. Tools
  8. •
  9. Cornwell Tools CAT900HD Product manual

Cornwell Tools CAT900HD Product manual

CAT900HD 7/30/14
CAT900HD
3" Reversing
Cut Off Tool
Operating Instructions • Warning Information
• Parts Breakdown
WARNING
Some dust created by power sanding, sawing, grinding, drilling, and other
construction activities contains chemicals known to cause cancer, birth
defects or other reproductive harm. Some examples of these chemicals are:
 
 
products, and
 
Your risk from these exposures varies, depending on how often you do this
type of work. To reduce your exposure to these chemicals: work in a well
ventilated area, and work with approved safety equipment, such as those
dust masks that are specially designed to filter out microscopic particles.
Free Speed ............................... 20,000 RPM
Horse Power......................................0.7
Cut Off Wheel.....................................3"
Air Inlet ....................................1/4" NPT
Minimum Hose Size........................... 3/8" I.D.
Maximum Air Pressure .................. 90 psig, 6.2 bar
Average Air Consumption ........................4 CFM
Length ..........................................9"
Shipping Weight ..............................1.9 Lbs
Sound Level ..................................90 dBA
Vibration Level............................... 1.6 m/s²
SPECIFICATIONS
Copyright © Professional Tool Products, 2014
All rights reserved
ALWAYS READ
INSTRUCTIONS BEFORE
USING POWER TOOLS
ALWAYS WEAR
SAFETY GOGGLES
WEAR HEARING
PROTECTION
AVOID PROLONGED
EXPOSURE TO VIBRATION
RATED RPM OF THE
ACCESSORY MUST
EXCEED THE MAXIMUM
TOOL RPM SHOWN


90 PSIG, 6.2 BAR

WARNING
RPMRPMRPM
CAT900HD 2 7/30/14
FAILURE TO OBSERVE THESE WARNINGS COULD RE SULT IN IN JU RY.
WARNING
THIS INSTRUCTION MANUAL CONTAINS
IMPORTANT SAFETY INFORMATION.
READ THIS INSTRUCTION MANUAL CAREFULLY
AND UNDERSTAND ALL INFORMATION BEFORE
OPERATING THIS TOOL.
• Itistheresponsibilityoftheownertomakesureall
 personnelreadthismanualpriortousingthisairtool.
 Itisalsotheresponsibilityoftheairtoolownerto
 keepthismanualintactandinaconvenientlocation
 foralltoseeandread.Ifthemanualorproductlabels
 arelostornotlegible,contactCornwellforreplacements.
 IftheoperatorisnotfluentinEnglish,theproductand
 safetyinstructionsshallbereadtoanddiscussed
 withtheoperatorintheoperator'snativelanguageby
 thepurchaser/ownerorhisdesignee,makingsure
 thattheoperatorcomprehendsitscontents.
• Alwaysoperate,inspectandmaintainthistoolin
 accordancewithAmericanNationalStandards
 InstituteSafetyCodeofPortableAirTools(ANSIB186.1)
 andanyotherapplicablesafetycodesandregulations.
• Forsafety,topperformanceandmaximumdurability
 ofparts,operatethistoolat90psig:6.2barmaxair
 pressurewith3/8"diameterairsupplyhose.
• Alwayswearimpact-resistanteyeandface
 protectionwhenoperatingorperforming
 maintenanceonthistool(usersandbystanders).
• Alwayswearhearingprotectionwhenusingthistool
 (usersandbystanders).Highsoundlevelscancause
 permanenthearingloss.Usehearingprotectionas
 recommendedbyyouremployerorOSHAregulation.
• Keepthetoolinefficientoperatingcondition.
• Operatorsandmaintenancepersonnelmustbe
 physicallyabletohandlethebulk,weightandpower
 ofthistool.
• Airunderpressurecancausesevereinjury.Never
 directairatyourselforothers.Alwaysturnofftheair
 supply,drainhoseofairpressureanddetachtool
 fromairsupplybeforeinstalling,removingor
 adjustinganyaccessoryonthistool,orbefore
 performinganymaintenanceonthistool.Failureto
 dosocouldresultininjury.Whiphosescancause
 seriousinjury.Alwayscheckfordamaged,frayedor
 loosehosesandfittings,andreplaceimmediately.
 Donotusequickdetachcouplingsattool.See
 instructionsforcorrectset-uponpage4.
• Airpoweredtoolscanvibrateduringuse.Vibration,
 repetitivemotionsoruncomfortablepositionsover
 extendedperiodsoftimemaybeharmfultoyour
 handsandarms.Discontinueuseoftoolifdiscomfort,
 tinglingfeelingorpainoccurs.Seekmedicaladvice
 beforeresuminguse.
• Slipping,trippingand/orfallingwhileoperating
 airtoolscanbeamajorcauseofseriousinjury
 ordeath.Beawareofexcesshoseleftonthe
 walkingorworksurface.
• Keepbodyworkingstancebalancedandfirm.
 Donotoverreachwhenoperatingthetool.
• Anticipateandbealertforsuddenchangesin
 motionduringstartupandoperationofany
 powertool.
• Donotcarrytoolbythehose.Protectthehose
 fromsharpobjectsandheat.
• Toolshaftmaycontinuetorotatebrieflyafterthrottle
 isreleased.Avoiddirectcontactwithaccessories
 duringandafteruse.Gloveswillreducetheriskof
 cutsorburns.
• Keepawayfromrotatingendoftool.Donotwear
 jewelryorlooseclothing.Securelonghair.Scalping
 canoccurifhairisnotkeptawayfromtooland
 accessories.Chokingcanoccurifneckwearisnot
 keptawayfromtoolandaccessories.
• NotedirectionofrotationBEFOREoperatingtool.
• Donotuse(ormodify)thetoolforanyother
 purposethanthatforwhichitwasdesigned
 withoutconsultingthemanufacturer's
 authorizedrepresentative.
• Donotlubricatetoolswithflammableorvolatile
 liquidssuchaskerosene,dieselorjetfuel.
• Thistoolisnotinsulatedagainstelectricshock.
• Thistoolmustnotbeusedinexplosiveatmospheres.
• Servicingandrepairsshouldonlybemadebyan
 authorizedservicecenter.
• Donotforcetoolbeyonditsratedcapacity.
• Use accessories rated at 20,000 RPM or more.
• Use accessories recommended by Cornwell Tools.
• Keeptooloutofreachofchildren.
• Donotremoveanylabels.Replaceanydamaged
 labels.
• Do not lock, tape or wire the "on/off" safety lever
in the "on" position, as the lever must be free to
return to the "off" position when released.
• Thisproductmaycontainoneormorechemicals
 knowntotheStateofCaliforniatocausecancerand
 birthdefectsorotherreproductiveharm.Wash hands
thoroughly after handling.
RPMRPMRPM
CAT900HD 3 7/30/14
PARTS BREAKDOWN - CAT900HD
Ref. # Item # DESCRIPTION QTY
 1  RS2871R01 MotorHousing 1
 2  RS2871R02 SpringPin(3x22) 1
 3  RS2871R03 AirInlet 1
 4  RS2871R04A ThrottleLeverAssembly 1
    (Includes#4,7,60,61)
 5  RS2871R05 ThrottlePin 1
 6  RS2871R06 ReverseValve 1
 7   SpringPin(2x16)(Includedwith#4) 1
 8  RS2871R08 Spring 1
 9  RS2871R09 RubberSeat 1
 10  RS2871R10 TipValve 1
 11  RS233A12 RotorBushing 1
 12  RS10920 BallBearing(6000ZZ) 1
 13  RS30516 BallBearing(696ZZ) 1
 14  RS2871R14 RearEndPlate 1
 15  RS2871R15 Rotor 1
 16  RS2871R16 RotorBlade (5packw/#46Spring) 1
 17  RS31717 SpringPin(2.5x6) 1
 18  RS2871R18 Cylinder(Includes#62) 1
 19  RS2871R19 FrontEndPlate 1
 21  RS2871R21 CuttingWheelCover 1
 22  RS2871R22 Spindle 1
Ref. # Item # DESCRIPTION QTY
23  RS2871R23 Retainer 1
24  RS78825 Pin(4x13.8) 1
 25  RS2871R25 WaveWasher 1
 26  RS2871R26 Washer 1
 27  RS187127 Washer 1
 28  RS2871R28 Screw 1
 29  RS178830 Screw(M5x35) 1
 30  RS187130 3"CuttingWheel 1
 45  RS2871R45 SpringPin(2x4) 1
 46   Spring(Includedwith#16) 5
 47  RS2871R47 O-Ring(15.8x2.4) 2
 48  RS2871R48 ReverseValveKnob 1
 49  RS2871R49 O-Ring(31x1.5) 1
 51  RS2871R51 RearCover 1
 52  RS900HD52 HousingCover 1
 53  RS233A28 DoubleEndedSpanner(14-19) 2
 54  RS187132 HexKeyWrench(4mm) 1
 60   SafetyBar(Includedwith#4) 1
 61   Spring(Includedwith#4) 1
 62   SteelBall(3/32")(Includedwith#18) 1
 64  RS2871R64 SnapRing 1
 65  RS2871R65 SetScrew(M2x5) 1
CAT900HD 4 7/30/14
Drain Daily
RegulatorOilerQuick CouplerLeader
Hose
Nipple
Do Not Install
Quick Coupling
Here
Nipple
Filter
Air Supply
Whip Hose
AIR SUPPLY
Tools of this class operate on a wide range of air pressures.
Itis recommended thatair pressuremeasures90 psigat the tool
withthetriggerfullydepressedandnoloadappliedtotool.Higher
pressure (over 90 psig; 6.2 bar) raises performance beyond the
rated capacity of the tool, which will shorten tool life and could
causeinjury.
Alwaysuseclean,dryair.Dust,corrosivefumesand/orwaterinthe
airlinewillcausedamagetothetool.Drainwaterfromairlinesand
compressor prior to running tool. Clean the air inlet filter screen
weekly.Therecommendedhookupprocedurecanbeviewedinthe
abovefigure.
Theairinletusedforconnectingairsupplyhasstandard1/4"NPT.
Linepressureshouldbeincreasedtocompensateforunusuallylong
airhoses(over25feet).Minimumhosediametershouldbe3/8"I.D.
andfittingsshouldhavethesameinsidedimensionsandbetightly
secured.
Ensureanaccessibleemergencyshutoffvalvehasbeeninstalledin
theairsupplylineandmakeothersawareofitslocation.
LUBRICATION
Lubricatethe airmotor dailywith highqualityairtool oil.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con-
nection to the air supply, then run the tool. A rust inhibitive oil is
acceptableforairtools.
WARNING:After an airtoolhas beenlubricated,oil willdischarge
throughtheexhaustportduringthefirstfewsecondsofoperation.
Theexhaustportmustbecoveredwithatowelbeforeapplyingair
pressuretopreventseriousinjury.
OPERATION
 Always use the recommended wheel guard to
 prevent injury from brocken grinding wheel parts.
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grindingwheelandtheoperator.Usebarrierstoprotect
othersfromwheelfragmentsandgrindingsparks.
     
protection to guard against flying rust and
chips (users and bystanders). Even small
 projectilescaninjureeyesandcause blindness.A
 grindingwheelthatburstscancauseveryserious
injury.Dailymeasurethetoolspeedwithatachmetertomakesure
it'snotgreaterthantheRPMmarkedonthegrindingwheel.Never
use a grinding wheel marked with a speed lower than the tool
speed.
NOTE: Before grinding, test grinding wheel by briefly running the
toolatfullthrottle.Besuretouseabarrier(suchasunderaheavy
worktable)tostopanypossiblebrokenwheelparts.
NOTE:Always shut off air supply, drain hose of air pressure and
disconnecttoolfromairsupplywhennotinuse,before changing
accessoriesorwhenmakingrepairs.
TO ASSEMBLE CUTTING WHEEL:
1.Usedoubleendedspanner(#53)toholdspindle(#22).
2.Usehexkeywrench(#54)toremovescrew(#29).
3. Use double ended spanner (#53) to remove screw (#28)
andwasher(#27).
4.Placecuttingwheelontospindleendandreversesteps1-3.
TROUBLESHOOTING
Otherfactorsoutside thetool maycauseloss of powerorerratic
action.Reducedcompressoroutput,excessivedrainontheairline,
moistureorrestrictionsinairpipesortheuseofhoseconnections
ofimpropersizeorpoorconditionsmayreduceairsupply.Gritor
gum deposits in the tool may cut power and may be corrected
by cleaning the air strainer and flushing out the tool with gum
solventoiloranequalmixtureofSAE#10andkerosene.Ifoutside
conditionsareinorder,disconnecttoolfromhoseandtaketoolto
yournearestauthorizedservicecenter.
WARRANTY
CornwellQualityToolsCompany(“Cornwell”)warrantsthisproductagainstdefectsinmaterialandworkmanshipforaperiodofONE(1)YEARfromthedateoforiginalretailpurchase.
Subjecttotheconditionsandlimitationssetforthbelow,Cornwellwill,atitsoption,eitherrepairorreplaceanypartoftheproduct(s)thatprovesdefectivebyreasonofimproper
workmanshipormaterials.
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,disassemblyandmodificationareonlyauthorizedtobemadebyCornwelloraCornwellAuthorizedWarrantyCenter.
WARRANTY SERVICE
Inordertohaveyourtoolrepaired,returnthetooltoanyCornwellAuthorizedWarrantyCenter,freightprepaid.Pleaseincludeacopyofyourproofofpurchaseandabriefdescription
oftheproblem.Thetoolwillbeinspectedandifanypartorpartsarefoundtobedefectiveinmaterialorworkmanship,theywillberepairedfreeofcharge,andtherepairedtoolwill
bereturnedtoyoufreightprepaid.
EXCLUSIONS AND LIMITATIONS
THISWARRANTYANDTHE REMEDIESSET FORTHABOVEAREEXCLUSIVEANDIN LIEU OFALL OTHERWARRANTIES,REMEDIESAND CONDITIONS,WHETHERORAL ORWRITTEN,
EXPRESSORIMPLIED.CORNWELLSPECIFICALLYDISCLAIMSANYANDALLIMPLIEDWARRANTIES,INCLUDING,TOTHEEXTENTPERMITTEDBYAPPLICABLELAW,ANYWARRANTIES
OFMERCHANTABILITYANDFITNESSFORAPARTICULARPURPOSE.IFCORNWELLCANNOTLAWFULLYDISCLAIMIMPLIEDWARRANTIESUNDERTHISLIMITEDWARRANTY,ALLSUCH
IMPLIEDWARRANTIESARELIMITEDINDURATIONTOTHEDURATIONOFTHISWARRANTY.
INNOEVENTSHALLCORNWELLBELIABLETOTHEPURCHASERORTOTHEUSEROFACORNWELLPRODUCTFORANYSPECIAL,INCIDENTALORCONSEQUENTIALDAMAGESBASED
UPON BREACH OFWARRANTY, BREACH OF CONTRACT, NEGLIGENCE,TORT, ORANY OTHER LEGAL THEORY. SUCH DAMAGES INCLUDE, WITHOUT LIMITATION, EXPENSES, LOST
REVENUES,LOSTSAVINGS,LOSTPROFITS,ORANYOTHERINCIDENTALORCONSEQUENTIALDAMAGESARISINGFROMTHEPURCHASE,USEORINABILITYTOUSETHECORNWELL
PRODUCT.
Somestatesdonotallowtheexclusionorlimitationofincidentalorconsequentialdamagesorexclusionsorlimitationonthedurationofimpliedwarrantiesorconditions,sotheabove
limitationsorexclusionsmaynotapplytoyou.Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightsthatvarybystate.
RepairkitsandreplacementpartsareavailableformanyCornwellproducts,regardlessofwhetherornottheproductisstillcoveredbyawarrantyplan.

Other Cornwell Tools Tools manuals

Cornwell Tools CTGCSGGA Product manual

Cornwell Tools

Cornwell Tools CTGCSGGA Product manual

Cornwell Tools CAT3250AHMV User manual

Cornwell Tools

Cornwell Tools CAT3250AHMV User manual

Cornwell Tools CAT-2PST Product manual

Cornwell Tools

Cornwell Tools CAT-2PST Product manual

Cornwell Tools CAT850XLR User manual

Cornwell Tools

Cornwell Tools CAT850XLR User manual

Cornwell Tools CAT3PST User manual

Cornwell Tools

Cornwell Tools CAT3PST User manual

Cornwell Tools CAT-250AH User manual

Cornwell Tools

Cornwell Tools CAT-250AH User manual

Cornwell Tools CTGSSAGG User manual

Cornwell Tools

Cornwell Tools CTGSSAGG User manual

Cornwell Tools CSE-VS300 User manual

Cornwell Tools

Cornwell Tools CSE-VS300 User manual

Cornwell Tools CAT-100PFT User manual

Cornwell Tools

Cornwell Tools CAT-100PFT User manual

Cornwell Tools CAT120 User manual

Cornwell Tools

Cornwell Tools CAT120 User manual

Cornwell Tools CAT6000SD User manual

Cornwell Tools

Cornwell Tools CAT6000SD User manual

Cornwell Tools Pro Series User manual

Cornwell Tools

Cornwell Tools Pro Series User manual

Cornwell Tools GG-CSGGA User manual

Cornwell Tools

Cornwell Tools GG-CSGGA User manual

Cornwell Tools CATPR14 User manual

Cornwell Tools

Cornwell Tools CATPR14 User manual

Cornwell Tools CAT700MB User manual

Cornwell Tools

Cornwell Tools CAT700MB User manual

Cornwell Tools CAT5500HD User manual

Cornwell Tools

Cornwell Tools CAT5500HD User manual

Cornwell Tools CSEPR4T User manual

Cornwell Tools

Cornwell Tools CSEPR4T User manual

Cornwell Tools CAT-255HD User manual

Cornwell Tools

Cornwell Tools CAT-255HD User manual

Cornwell Tools CAT250ARR User manual

Cornwell Tools

Cornwell Tools CAT250ARR User manual

Cornwell Tools blue POWER CAT851XLR User manual

Cornwell Tools

Cornwell Tools blue POWER CAT851XLR User manual

Cornwell Tools CAT650AS User manual

Cornwell Tools

Cornwell Tools CAT650AS User manual

Cornwell Tools CTG-SSAGG User manual

Cornwell Tools

Cornwell Tools CTG-SSAGG User manual

Cornwell Tools CSE-1000 User manual

Cornwell Tools

Cornwell Tools CSE-1000 User manual

Cornwell Tools CSEPR4TA User manual

Cornwell Tools

Cornwell Tools CSEPR4TA User manual

Popular Tools manuals by other brands

AGI Westfield MKX16 Assembly manual

AGI

AGI Westfield MKX16 Assembly manual

GYS HAND-DUCTION 056923 Translation of the original instructions

GYS

GYS HAND-DUCTION 056923 Translation of the original instructions

Grizzly H7583 instruction manual

Grizzly

Grizzly H7583 instruction manual

Sealey VS0462.V2 instructions

Sealey

Sealey VS0462.V2 instructions

Makita HR2650 instruction manual

Makita

Makita HR2650 instruction manual

Forza 1100H Series manual

Forza

Forza 1100H Series manual

Aventics EBS-PI operating instructions

Aventics

Aventics EBS-PI operating instructions

Martor SECUNORM 175 quick start guide

Martor

Martor SECUNORM 175 quick start guide

jbc N4473 instruction manual

jbc

jbc N4473 instruction manual

FEINMETALL FZWZ-SET-001 quick start guide

FEINMETALL

FEINMETALL FZWZ-SET-001 quick start guide

Worx Professional Sonicrafter WU676 Original instructions

Worx Professional

Worx Professional Sonicrafter WU676 Original instructions

Gage Bilt GB713SH Original instructions

Gage Bilt

Gage Bilt GB713SH Original instructions

Hilti DX 9-ENP Original operating instructions

Hilti

Hilti DX 9-ENP Original operating instructions

norbar NORTRONIC 34399 Operator's manual

norbar

norbar NORTRONIC 34399 Operator's manual

BGS technic 8578 manual

BGS technic

BGS technic 8578 manual

axing BWZ 5-02 Operation instructions

axing

axing BWZ 5-02 Operation instructions

Makita DHR241 instruction manual

Makita

Makita DHR241 instruction manual

Motor Guard JMB-1250 instructions

Motor Guard

Motor Guard JMB-1250 instructions

manuals.online logo
manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2025 Manuals.Online. All Rights Reserved.