3M Power Hammer 3M Cut-off Wheel Tool User Manual

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Product Configuration/Specifications:
Operating / Maintenance Instructions
Thetoolisintendedtobeoperatedasahandheldtool.Itisalwaysrecommendedthatwhileusingthetool,operatorsstandonasolidoor,inasecureposition
witharmgripandfooting.Beawarethatthetoolcandevelopatorquereaction.Seethesection“SAFETYPRECAUTIONS”.
Useacleanlubricatedairsupplythatwillgiveameasuredairpressureatthetoolof6.2bar(90psig)whenthetoolisrunningwiththeleverfullydepressed.It
isrecommendedtouseanapproved10mm(3/8in)x8m(25ft)maximumlengthairlineforthe3in.Cut-OffWheelToolanda12.7mm(1/2in)x8m(25ft)
maximum length airline for the 4 in. and larger Cut-Off Wheel Tools. Connect the tool to the air supply as shown in Figure 1. Do not connect the tool to the airline
systemwithoutaneasilyaccessibleairshutoffvalve.Itisstronglyrecommendedthatanairlter,regulatorandlubricator(FRL)beusedasshowninFigure1as
this will supply clean, lubricated air at the correct pressure to the tool. In any case appropriate air pressure regulators shall be used at all times while operating
thistoolwherethesupplypressureexceedsthemarkedmaximumofthetool.Detailsofsuchequipmentcanbeobtainedforyourtooldistributor.Ifsuch
equipmentisnotused,thetoolshouldbemanuallylubricated.Tomanuallylubricatethetool,disconnecttheairlineandput2to3dropsofsuitablepneumatic
motorlubricatingoilsuchas3M™AirToolLubricantPN20451,FujiKosanFK-20orMobilALMO525intothehoseend(inlet)ofthetool.Reconnecttooltotheair
supplyandruntoolslowlyforafewsecondstoallowairtocirculatetheoil.Ifthetoolisusedfrequently,lubricateitonadailybasisorlubricateitifthetoolstarts
tosloworlosepower.Itisrecommendedthattheairpressureatthetoolbe6.2bar(90psig)whilethetoolisrunningsothemaximumRPMisnotexceeded.The
toolcanberunatlowerpressuresbutshouldneverberunhigherthan6.2bar(90psig).Ifrunatlowerpressuretheperformanceofthetoolisreduced.
Recommended Airline Recommended Maximum Air Pressure
Size-Minimum HoseLength
10mm 3/8in 8meters 25feet MaximumWorkingPressure 6.2bar 90psig
12.7mm 1/2in RecommendedMinimum NA NA
*Declarednoiselevels;measurementscarriedoutinaccordancewithstandardENISO15744:2002.
**DeclaredvibrationlevelsinaccordancewithEN12096;measurementscarriedoutinaccordancewithstandardENISO8662-4;1997.
The noise and vibration values stated in the table are from laboratory testing in conformity with stated codes and standards and are not sufficient risk evaluation
forallexposurescenerios.Valuesmeasuredinaparticularworkplacemaybehigherthanthedeclaredvalues.Theactualexposurevaluesandamountofrisk
orharmexperiencedtoanindividualisuniquetoeachsituationanddependsuponthesurroundingenvironment,thewayinwhichtheindividualworks,the
particular material being worked, work station design, as well as upon the exposure time and the physical condition of the user. 3M cannot be held responsible
fortheconsequencesofusingdeclaredvaluesinsteadofactualexposurevaluesforanyindividualriskassessment.
Lubricatetheangleheadevery6-8workinghourswithpremiumgreasewiththefollowingproperties:
-Highandlowtemperatureperformance
-Shear stable
-Anti-wear protection
-Lowviscositybaseareforhighspeedapplication
-Verylowcoefcientoffriction
FuchsRenolitAXS2orequalisrecommended.Greasegunandgreaseavailablefromyourgreasesupplier.
Model
Number
20233
20234
20243
20235
20236
Side
Handle
NA
NA
Yes
Yes
Yes
Speed
RPM
25,000
20,000
12,000
12,000
10,000
Product
Net WT. kg. (lb.)
0.95 (2.09)
1.02 (2.25)
1.49 (3.30)
1.57 (3.47)
1.67 (3.69)
Height
mm (in.)
76,2 (3.00)
82,5 (3.25)
133 (5.25)
133 (5.25)
133 (5.25)
Length
mm (in.)
196 (7.75)
196 (7.75)
222 (8.75)
222 (8.75)
222 (8.75)
*Noise Level dBA
Pressure (Power)
83.5 (95.1)
83.5 (95.1)
83.5 (95.1)
83.5 (95.1)
83.5 (95.1)
**Vibration Level
m/s
2
(ft/s
2
)
11.1 (36.5)
19.8 (65.1)
8.1 (26.6)
8.1 (26.6)
8.1 (26.6)
**Uncertainty K
m/s
2
4.44
7.92
3.24
3.24
3.24
Wheel
Size
3”
4”
4
1
/2”
5”
6”

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