5
Product Configuration/Specifications:
Operating / Maintenance Instructions
Thetoolisintendedtobeoperatedasahandheldtool.Itisalwaysrecommendedthatwhileusingthetool,operatorsstandonasolidoor,inasecureposition
witharmgripandfooting.Beawarethatthetoolcandevelopatorquereaction.Seethesection“SAFETYPRECAUTIONS”.
Useacleanlubricatedairsupplythatwillgiveameasuredairpressureatthetoolof6.2bar(90psig)whenthetoolisrunningwiththeleverfullydepressed.It
isrecommendedtouseanapproved10mm(3/8in)x8m(25ft)maximumlengthairlineforthe3in.Cut-OffWheelToolanda12.7mm(1/2in)x8m(25ft)
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
systemwithoutaneasilyaccessibleairshutoffvalve.Itisstronglyrecommendedthatanairlter,regulatorandlubricator(FRL)beusedasshowninFigure1as
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
thistoolwherethesupplypressureexceedsthemarkedmaximumofthetool.Detailsofsuchequipmentcanbeobtainedforyourtooldistributor.Ifsuch
equipmentisnotused,thetoolshouldbemanuallylubricated.Tomanuallylubricatethetool,disconnecttheairlineandput2to3dropsofsuitablepneumatic
motorlubricatingoilsuchas3M™AirToolLubricantPN20451,FujiKosanFK-20orMobilALMO525intothehoseend(inlet)ofthetool.Reconnecttooltotheair
supplyandruntoolslowlyforafewsecondstoallowairtocirculatetheoil.Ifthetoolisusedfrequently,lubricateitonadailybasisorlubricateitifthetoolstarts
tosloworlosepower.Itisrecommendedthattheairpressureatthetoolbe6.2bar(90psig)whilethetoolisrunningsothemaximumRPMisnotexceeded.The
toolcanberunatlowerpressuresbutshouldneverberunhigherthan6.2bar(90psig).Ifrunatlowerpressuretheperformanceofthetoolisreduced.
Recommended Airline Recommended Maximum Air Pressure
Size-Minimum HoseLength
10mm 3/8in 8meters 25feet MaximumWorkingPressure 6.2bar 90psig
12.7mm 1/2in RecommendedMinimum NA NA
*Declarednoiselevels;measurementscarriedoutinaccordancewithstandardENISO15744:2002.
**DeclaredvibrationlevelsinaccordancewithEN12096;measurementscarriedoutinaccordancewithstandardENISO8662-4;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
forallexposurescenerios.Valuesmeasuredinaparticularworkplacemaybehigherthanthedeclaredvalues.Theactualexposurevaluesandamountofrisk
orharmexperiencedtoanindividualisuniquetoeachsituationanddependsuponthesurroundingenvironment,thewayinwhichtheindividualworks,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
fortheconsequencesofusingdeclaredvaluesinsteadofactualexposurevaluesforanyindividualriskassessment.
Lubricatetheangleheadevery6-8workinghourswithpremiumgreasewiththefollowingproperties:
-Highandlowtemperatureperformance
-Shear stable
-Anti-wear protection
-Lowviscositybaseareforhighspeedapplication
-Verylowcoefcientoffriction
FuchsRenolitAXS2orequalisrecommended.Greasegunandgreaseavailablefromyourgreasesupplier.
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”