
CAT3500HD 4 10/11/10
Operating Instructions • Warning Information • Parts Breakdown
AIR SUPPLY
Toolsofthisclassoperateonawiderangeofairpressures.
Itisrecommendedthatairpressureofthesetoolsmeasures90PSIat
thetoolwhilerunningfree.Higherpressure(over
90psig;6.2bar)raisesperformancebeyondtheratedcapacityof
thetool,whichwillshortentoollifebecauseoffasterwearandcould
causeinjury.
Alwaysuseclean,dryair.Dust,corrosivefumesand/orwaterin
theairlinewillcausedamagetothetool.Draintheairtankdaily.
Cleantheairinletfilterscreenonatleastaweeklyschedule.The
recommendedhookupprocedurecanbeviewedintheabovefigure.
Theairinletusedforconnectingairsupplyhasstandard1/4"NPT.
Linepressureshouldbeincreasedtocompensateforunusuallylong
airhoses(over25feet).Minimumhosediametershouldbe3/8"I.D.
andfittingsshouldhavethe
sameinsidedimensionsandbetightlysecured.
OPERATION
Thisratchetwrenchisratedat3/8"USSboltsize.Ratingmustbe
downgradedforspringUbolts,tiebolts,longcapscrews,double
depthnuts,badlyrustedconditionsandspringfastenersasthey
absorbmuchoftheimpactpower.Whenpossible,clamporwedge
thebolttopreventspringback.
Soakrustednutsinpenetratingoilandbreakrustsealbefore
removingwithimpactwrench.Ifnutdoesnotstarttomoveinthree
tofivesecondsusealargersizeimpactwrench.Donotuseimpact
wrenchbeyondratedcapacityasthiswilldrasticallyreducetoollife.
Theforward/reversingbuttonisusedtochangetherotationofthe
tool.Whenthebuttonissettotheright,thetoolwillturninaright
handrotation.Whenthebuttonissettotheleft,thetoolwillturnina
lefthandrotation.
NOTE:Actualtorqueonafastenerisdirectlyrelatedtojointhard-
ness,toolspeed,conditionofsocketandthetimethetoolisallowed
toimpact.
Usethesimplestpossibletool-to-sockethookup.Everyconnection
absorbsenergyandreducespower.
LUBRICATION
Lubricatetheairmotordailywithqualityairtooloil.Ifnoairline
oilerisused,run1/2oz.teaspoonofoilthroughthetool.Theoil
canbesquirtedintothetoolairinletorintothehoseatthenearest
connectiontotheairsupply,thenrunthetool.Arustinhibitiveoilis
acceptableforairtools.
WARNING:Afteranairtoolhasbeenlubricated,oilwilldischarge
throughtheexhaustportduringthefirstfewsecondsofoperation.
Theexhaustportmustbecoveredwithatowelbeforeapplyingair
pressuretopreventseriousinjury.
WARRANTY COVERAGE
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 Authorized Warranty Center, freight prepaid. Please include
a copy of your proof of purchase and a brief description of the problem. The tool will be inspected and if any part or parts are found
to be defective in material or workmanship, they will be repaired free of charge, and the repaired tool will be returned to you
freight prepaid.
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.
Cornwell Quality Tools Company
667 Seville Road • Wadsworth, OH 44281-1094