Cornwell Tools CAT231 User manual

CAT231 08/06/13
Operating Instructions • Warning Information • Parts Breakdown
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:
 • leadfromlead-basedpaints,
 • crystallinesilicafrombricksandcement
and other masonry products, and
 • arsenicandchromiumfrom
  chemically-treatedlumber.
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.
Maximum Applied Torque:..................... 650 Ft./Lbs.
Working Torque Range:.................... 25-400 Ft./Lbs.
Free Speed: ............................................... 8,000 RPM
Avg. Air Consumption:.................................. 5.5 cfm
Overall Length:............................................... 7.125"
Weight: ........................................................... 5.8 lbs.
Sound Level: ................................................. 103 dBA
Air Inlet (NPT):.................................................... 1/4"
Recommended Hose Size:............................ 3/8" I.D.
SPECIFICATIONS
CAT231
1/2" Dr.
Impact Wrench
Copyright © Professional Tool Products, 2013
All rights reserved
RATED RPM OF THE ACCESSORY
USED MUST EXCEED THE MAXIMUM
TOOL RPM SHOWN
ALWAYS READ
INSTRUCTIONS BEFORE
USING POWER TOOLS
ALWAYS WEAR
SAFETY GOGGLES
WEAR HEARING
PROTECTION
AVOID PROLONGED
EXPOSURE TO VIBRATION
WARNING
WARNING

2CAT231 08/06/13
FAILURE TO OBSERVE THESE WARNINGS COULD RESULT IN INJURY.
THIS INSTRUCTION MANUAL CONTAINS
IMPORTANT SAFETY INFORMATION.
READ THIS INSTRUCTION MANUAL CAREFULLY
AND UNDERSTAND ALL INFORMATION
BEFORE OPERATING THIS TOOL.
•Alwaysoperate,inspectandmaintain
 thistoolinaccordancewithAmerican
 NationalStandardsInstituteSafetyCode
of Portable Air Tools (ANSI B186.1) and
 anyotherapplicablesafetycodesand
regulations.
•Forsafety,topperformanceandmaximum
durabilityofparts,operatethistoolat90
psig6.2barmaxairpressurewith3/8"
 diameterairsupplyhose.
•Alwayswearimpact-resistanteyeandface
protectionwhenoperatingorperforming
maintenance on this tool. Always wear
hearingprotectionwhenusingthistool.
•High sound levels can cause permanent
hearing loss. Use hearing protection as
recommendedbyyouremployerorOSHA
regulation.
•Keepthetoolinefcientoperating
condition.
•Operators and maintenance personnel
must be physically able to handle the
bulk,weightandpowerofthistool.
•Airunderpressurecancausesevereinjury.
Never direct air at yourself or others.
Alwaysturnofftheairsupply,drainhose
of air pressure and detach tool from air
supply before installing, removing or
adjusting any accessory on this tool, or
before performing any maintenance on
this tool. Failure to do so could result
in injury. Whip hoses can cause serious
injury.Alwayscheckfordamaged,frayed
or loose hoses and ttings, and replace
immediately. Do not use quick detach
couplings at tool. See instructions for
correct set-up.
•Air powered tools can vibrate in
use. Vibration, repetitive motions or
uncomfortable positions over extended
periods of time may be harmful to your
hands and arms. Discontinue use of tool if
discomfort, tingling feeling or pain occurs.
Seek medical advice before resuming use.
•Placethetoolontheworkbeforestarting
the tool.
•Slipping, tripping and/or falling while
operatingairtoolscanbe a major cause
of serious injury or death. Be aware of
excess hose left on the walking or work
surface.
•Keepbodyworkingstancebalancedand
rm. Do not overreach when operating
the tool.
•Anticipate and be alert for sudden
changes in motion during start up and
operationofanypowertool.
•Donotcarrytoolbythehose.Protectthe
hosefromsharpobjectsandheat.
•Tool shaft may continue to rotate
briey 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.
•Impact wrenches are not torque control
devices. Fasteners with specic torque
requirements must be checked with
suitable torque measuring devices after
installationwithanimpactwrench.
•Use only impact wrench sockets and
accessories on this tool. Do not use hand
sockets and accessories.
•Donotlubricatetoolswithammableor
volatile liquids such as kerosene, diesel or
jetfuel.
•Donotforcetoolbeyonditsratedcapacity.
•Do not remove any labels. Replace any
damaged labels.
•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.
WARNING

3CAT231 08/06/13
Operating Instructions • Warning Information • Parts Breakdown
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 of these tools measures
90PSIatthetoolwhilerunningfree.Higherpressure(over
90psig;6.2bar)raisesperformancebeyondtherated
capacityofthetoolwhichwillshortentoollifebecauseof
fasterwear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
theairtankdaily.Cleantheairinletlterscreenonatleast
aweeklyschedule.Therecommendedhookupprocedure
canbeviewedintheabovegure.
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ttingsshouldhavethe
sameinsidedimensionsandbetightlysecured.
LUBRICATION
Lubricatethetooldailywithqualityairtooloil.Ifnoair
line oiler is used, run a half ounce of oil through the tool.
The oil can be squirted into the tool air inlet or into the
hoseatthenearestconnectiontotheairsupply,thenrun
thetool.Overllingwillcauseareductioninthepowerof
the tool. A rust inhibitive oil is acceptable for air tools.
OPERATION
Thistoolincludesanadjustablepowermanagementsystem
thatallowstheoperatortoadjustpowerintheclockwise
direction(forward)andcounterclockwisedirection
(reverse).
Tosettoolupwithfullpoweroutputinforwarddirection
andfullpowerinthereversedirection;rotatethepower
dialuntilthenotchonthedialalignswiththenumber5
setting on each side of the tool.
Tosettoolupwithreducedpoweroutputinforward
directionandfullpowerinthereversedirection;pushthe
reversingvalveoutintheclockwisedirection(forward)
andadjustthedialtothedesirednumberintheforward
direction.Youwillseethatwhenthereversingvalveis
switchedbacktocounterclockwise,thetoolwillhavefull
poweroutput.
Tosettoolupwithfullpoweroutputinforwarddirection
andreducedpowerinthereversedirection;pushthe
reversingvalveoutinthecounterclockwisedirection
(reverse)andadjustthedialtothedesirednumberinthe
reversedirection.Youwillseethatwhenthereversing
valveisswitchedbacktoclockwise,thetoolwillhavefull
poweroutput.
ThePowermanagementsystemisonlyforreferenceand
does not act as a torque control tool. This tool includes
aplungerstylevariablespeedtriggerthatfurtherallows
theoperatortocontroloutputpowerintheclockwise
direction.
Thisimpactwrenchisratedat1/2"SAEboltsize.Rating
mustbedowngradedforspringUbolts,tiebolts,long
capscrews,doubledepthnuts,badlyrustedconditions
andspringfastenersastheyabsorbmuchoftheimpact
power.Whenpossible,clamporwedgethebolttoprevent
springback.
Soak rusted nuts in penetrating oil and break rust seal
beforeremovingwithimpactwrench.Ifnutdoesnotstart
tomoveinthreetovesecondsusealargersizeimpact
wrench.Donotuseimpactwrenchbeyondratedcapacity
asthiswilldrasticallyreducetoollife.Thereversingvalveis
used to change the rotation of the tool. When the valve is
out,thetoolisinaforwardorrighthandrotation.When
the valve is pushed in, the rotation is reverse or left hand.
NOTE:Actualtorqueonafastenerisdirectlyrelatedto
jointhardness,toolspeed,conditionofsocketandthetime
thetoolisallowedtoimpact.
Usethesimplestpossibletool-to-sockethookup.Every
connectionabsorbsenergyandreducespower.

4CAT231 08/06/13
REF. NO. PART NO. DESCRIPTION QTY.
1 RS708A01C Housing Assembly
(includes #1, 2, 3, 5, 43) 1
2 RS708A02C Name Plate 1
3 RS708A03 Grease Fitting 1
4 RS708A04 O-Ring 2
5 RS708A05 Reverse Valve Sleeve 1
6 RS708A06 Detent Ball 1
7 RS708A07 Detent Spring 1
8 RS708A08 Reverse Valve 1
9 RS708A09 Trigger Pin 1
10 RS708A10 Valve Seat 1
11 RS708A11 Valve Stem 1
12 RS708A12 O-Ring 2
13 RS708A13 Air Inlet 1
14 RS708A14 Valve Spring 1
15 RS708A15 Throttle Valve Assembly
(includes #10, 11, 12, 14) 1
16 RS708A16 Trigger 1
17 RS708A17 Set Screw 1
18 RS708A18 Rear Gasket 1
19 RS708A19 Rear Bearing 1
20 RS708A20 Knob for Reverse Valve 1
21 RS708A21 Screw 1
22 RS708A22 Rear End Plate 1
REF. NO. PART NO. DESCRIPTION QTY.
23 RS708A23 E-Ring 1
24 RS708A24 Rotor 1
25 RS708A25 Rotor Blade
(Pack of 6 Blades) 1 pack
26 RS708A26 Cylinder 1
27 RS708A27 Front End Plate 1
28 RS708A28 Front Bearing 1
29 RS708A29 Cylinder Dowel Pin 1
30 RS708A30 Motor Clamp Washer 2
31 RS708A31 Washer 1
32 RS708A32 Hammer Cage 1
33 RS708A33 Hammer 2
34 RS708A34 Hammer Pin 2
35 RS708A35 Standard Anvil Assembly
(includes #12, 36) 1
36 RS708A36 Socket Retaining Ring 1
37 RS708A37 Anvil Bushing 1
38 RS708A38 Protect Ring 1
39 RS708A39 Front Gasket 1
40 RS708A40 Hammer Case Assembly
(includes #37) 1
41 RS708A41 Spring Washer 3
42 RS708A42 Cap Screw 3
43 RS708A43 Warning Label 1
PARTS BREAKDOWN - CAT-231

5CAT231 08/06/13
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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.
CornwellQualityToolsCompany
667SevilleRoad•Wadsworth,OH44281-1094