3M 20230 Instruction Manual

1

Important Safety Information

Intended Use

Disc Sanders INSTRUCTIONS MANUAL – 2 in (50 mm) 20,000 RPM .33 HP,  

2 in (50 mm) 20,000 RPM .5 HP, 3 in (76 mm) 15,000 RPM 1 HP

Please read, understand and follow all safety information contained in these instructions prior to the use of this tool.

Retain these instructions for future reference.

This pneumatic tool is designed to be used with the sander adaptor, disc pad, and appropriate abrasive for sanding metals, wood, stone, plastics and other 

materials. Additionally, when used with the collet chuck it may also function as a Die Grinder. It should only be used for such sanding and die grinding applications 

and within its marked capacity and ratings. Only accessories specifically recommended by 3M should be used with this tool. Use in any other manner or with other 

accessories could lead to unsafe operating conditions.

Do not operate tool in water or in an excessively wet application.

Do not use back up pads that have a Max RPM less than the tool Max RPM rating. 

To reduce the risks associated with impact from abrasive product, disc pad, or tool breakup, sharp edges, hazardous pressure, rupture, vibration 

and noise:

• Read,understandandfollowthesafetyinformationcontainedintheseinstructionspriortotheuseofthistool.Retaintheseinstructionsforfuture

reference.

• Onlypersonnelwhoareproperlytrainedshouldbeallowedtoservicethistool.

• Practicesafetyrequirements.Workalert,haveproperattire,anddonotoperatetoolsundertheinfluenceofalcoholordrugs.

• Operatorsandotherpersonnelmustalwayswearprotectionforeyes,ears,andrespiratoryprotectionwhenintheworkareaorwhileoperating

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 

equipmentrequirements.

• Wearprotectiveapparel,takingintoconsiderationthetypeofworkbeingdone.

• Neverexceedmarkedmaximuminputpressure(90psi/.62Mpa/6.2Bars).

• Propereyeprotectionmustbewornatalltimes.

• Toolshallnotbeoperatedinthepresenceofbystanders.

• Ifyounoticeanyabnormalnoiseorvibrationwhenoperatingtheproduct,immediatelydiscontinueitsuseandinspectforwornordamagedcomponents

(mountinghardware,abrasiveproduct,etc).Correctorreplacethesuspectcomponent.Ifabnormalnoiseorvibrationstillexists,returnthetoolto3Mfor

repair or replacement. Refer to warranty instructions.

• Neveroperatethistoolwithoutallsafetyfeaturesinplaceandinproperworkingorder.

• Donotremoveordisablesafetyfeatureofon-offcontroldevice.

• Makesurethetoolisdisconnectedfromitsairsourcebeforeservicing,inspecting,maintaining,cleaning,andbeforechangingabrasiveproduct.

• Onlyuseabrasivediscpadsandotheraccessoriessuppliedby3M.

• Priortouse,inspectabrasiveproduct,discpad,andotheraccessoriesforpossibledamage.Ifdamaged,replacewithnewabrasiveproductand

accessories available from 3M.

WARNING

3

ExplanationofSignalWordConsequences

Indicates a potentially hazardous situation which, if not avoided, may result in death or serious injury

and/or property damage.

Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate

injury and/or property damage.

WARNING:

CAUTION:

Original Instructions