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3M™ 1 1/4 in Mini Random Orbital Sander 

Revision 040610

3M™ 1 1/4 in Mini Random Orbital Sander 

Revision 040610

Parts List

Product Configuration/Specifications: 8,000 RPM Mini Random Orbital Sander 

† Available only in Europe.

‡ Available only in APAC.

* Declared noise levels; measurements carried out in accordance with standard EN ISO 15744:2008.

** Declared vibration levels in accordance with EN12096; measurements carried out in accordance with standard EN ISO 8662-8:1997 

except that feed force was reduced to 7.5N +/- 2.5N due to the impracticality of operating this small tool at 30N +/- 5N as stated in the 

standard.

IMPORTANT NOTE: 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 scenarios. 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.

Operating / Maintenance Instructions

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”.

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 1as 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, 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.

Orbit

Pad 

Face

Vacuum Type

Pad 

Type

Model 

Number

Pad Part 

Number

Product Net 

Wt kg (lb)

Height mm 

(in.)

Length 

mm (in.)

*Noise 

Level dBA 

Pressure 

(Power)

**Vibration 

Level m/s

2

 

(ft/s

2

)

**Uncertainty 

K

m/s

2

5.0 mm 

(3/16 in.)

Stikit™

Non Vacuum

Roloc™

20244/

†63374

02345

0.45 (1.0)

84.5 (3.32)

120.0 

(4.72)

73 (80)

<2.5 (<8.2)

n/a

Recommended Airline

Size - Minimum

10 mm 

3/8 in

Recommended Maximum

Hose Length

8 meters 

25 feet

Air Pressure

Maximum Working Pressure 6.2 bar 90 psig
Recommended Minimum 

NA 

NA

Summary of Contents for MINI RANDOM ORBITAL SANDER

Page 1: ... Operators and other personnel must always wear protection for eyes ears and respiratory protection when in the work area or while operating this product Follow your employer s safety policy for PPE s and or ANSI Z87 1 or local national standards for eyewear and other personal protective equipment requirements Wear protective apparel taking into consideration the type of work being done Never exce...

Page 2: ...he flammable dust or fumes Refer to MSDS of material being worked as to potential for creating fire or explosion hazard To reduce the risks associated with hazardous dust ingestion or eye skin exposure Use appropriate respiratory and skin protection or local exhaust as stated in the MSDS of the material being worked on To reduce the risks associated with hazardous voltage Do not allow this tool to...

Page 3: ... RETAINING SLEEVE A0120 28130 1 17 LEVER A1873 28306 1 18 GRIP 2 in 20342 20342 1 18 GRIP 2 in 20343 20343 OPT 18 GRIP 3 in 20344 20344 OPT 19 MINI HOUSING A1872 28307 1 20 LEVER SPRING PIN A0031 28109 1 21 VALVE SLEEVE A0015 28102 1 22 INLET BUSHING ASSY A0013 28100 1 23 VALVE SPRING A0014 28101 1 24 VALVE A0007 28096 1 25 VALVE SEAT A0009 28098 1 26 VALVE STEM ASSY A0008 28097 1 27 9 0 mm x 1 5 ...

Page 4: ...t 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 1as this will supply clean lubricated air at the correct pressur...

Page 5: ...care to avoid entanglement with the moving parts of the tool with clothing ties hair cleaning rags or loose hanging objects If entangled stop air supply immediately to avoid contact with moving tool parts 18 Keep hands clear of the spinning pad during use 19 If the tool appears to malfunction remove from use immediately and arrange for service and repair 20 Immediately release the start handle in ...

Page 6: ...ser must operate the tool in accordance with all applicable operating instructions safety precautions and other procedures stated in the operating manual to be entitled to warranty coverage 3M shall have no obligation to repair or replace any tool or part that fails due to normal wear inadequate or improper maintenance inadequate cleaning nonlubrication improper operating environment improper util...

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