3M 20230 Instruction Manual page 6

Model
Collet Pad Pad
Number
Type Part
20230 1/4"
2" Roloc
88746
25123
6 mm
Hard
20231 1/4"
2" Roloc
88746
25124 6 mm
Hard
20232 1/4"
3" Roloc
45091
25125 6 mm
Hard
* 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 8662-8:1997 for disc sander
application and EN ISO 8662-13:1997 for die grinder application. 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. 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.
PRIOR TO THE OPERATION
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 floor, in a secure position
with a firm grip and footing. Be aware that the sander can develop a torque reaction. See the section "SAFETY PRECAUTIONS".
Ensure that all abrasive articles are mounted concentrically on the supporting disc pad.
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. 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 filter, 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
Size - Minimum
10 mm
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 fluid for high speed application
-Very low coefficient of friction
Fuchs Renolit AX S2 or equal is recommended. Grease gun and grease available from your grease supplier.
Product Configuration/Specifications:
Speed Power Product
RPM (hp) Net mm (in.)
Wt.kg.
(lb.)
0.49 (1.08) 63.5 (2.5)
20,000 0.33
0.49 (1.08) 63.5 (2.5)
0.58 (1.28) 69.9 (2.75)
20,000 0.5
0.58 (1.28) 69.9 (2.75)
0.89 (1.97) 82.6 (3.25)
15,000 1
0.89 (1.97) 82.6 (3.25)
Operating / Maintenance Instructions
Recommended Maximum
3/8 in 8 meters
Height *Noise Level ** Vibration
dBA Pressure Level
m/s 2 (ft/s 2 )
(Power)
82.4 (94) 3.25 (10.7)
82.4 (94) 3.25 (10.7)
89.3 (100.9) 6.56 (21.6)
89.3 (100.9) 6.56 (21.6)
84.5 (95.1) 5.98 (19.7)
84.5 (95.1) 5.98 (19.7)
Hose Length
25 feet
6
** Uncertainty K ** Vibration
m/s 2
Level
Configured as
Grinder
m/s 2 (ft/s 2 )
7.57 (24.9)
1.625
1.625 7.57 (24.9)
2.624 7.41 (24.4)
7.41 (24.4)
2.624
4.87 (16.0)
2.392
4.87 (16.0)
2.392
Air Pressure
Maximum Working Pressure 6.2 bar
Recommended Minimum NA
** Uncertainty K
Configured as
Grinder
m/s 2
3.028
3.028
2.964
2.964
1.948
1.948
90 psig
NA