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WARNING!
READ, UNDERSTAND AND FOLLOW ALL INSTRUCTIONS AND WARNINGS BEFORE 
OPERATING THIS TOOL. FAILURE TO DO SO MAY RESULT IN PERSONAL INJURY 
AND/OR PROPERTY DAMAGE AND WILL VOID WARRANTY.

7 in. Angle Sander

OWNER’S MANUAL

Stock Number M643

sPecIfIcAtIoNs:

Air pressure (P.S.I.):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

90

Average air consumption (C.F.M.):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Free speed (R.P.M.):

  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4,500

Spindle Thread:

  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5/8 - 11

Air inlet (N.P.T.):

  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3/8

Hose size (I.D.):

  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1/2 in.

Weight (LBS.):

  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.19

Specifications are subject to change without notice.

3

IMPORTANT SAFETY INFORMATION

WARNING!
ReAD, uNDeRstAND AND foLLoW ALL INstRuctIoNs AND 
WARNINGs BefoRe oPeRAtING tHIs tooL. fAILuRe to Do 
so MAY ResuLt IN PeRsoNAL INJuRY AND/oR PRoPeRtY 
DAMAGe AND WILL VoID WARRANtY.

1. Use only paper sanding disks with the proper adhesive. Read, under-

stand and follow all adhesive manufacturers’ directions. 

Do Not use

cLotH BAcKeD sANDING DIsKs WItH tHIs tooL.

2. Make sure sanding pad RPM rating matches Free Speed rating

of this tool.

3. Wear a dust mask while operating this tool. Read, follow and un-

derstand manufacturers instructions on paint, primer, paint preps,

glazing, body filler, etc. for additional respirator and ventilating

requirements.

4. Always use approved eye and ear protection when using air powered

tools. If raising dust/debris, wear a suitable mask. Do not wear loose

clothing or jewelry.

5. Always operate tool a safe distance from yourself and others in the

work area. Keep footing and balance at all times.

6. Make sure work piece is secure to allow safe operation of the tool with

both hands. Do not hold the work piece in your hand, lap or against

any part of your body.

7. Make sure trigger is in the “off” position before connecting or discon-

necting the tool from air source. Disconnect tool from air source

before changing accessories, performing service and when not in use.

8. Follow air source manufacturer’s directions for connection of regula-

tors, filters and other accessories to air source. Do not install quick

couplers directly at tool air inlet. This causes inlet failure due to

excess weight and vibration. Use a whip hose between tool and quick

couplers.

9. Do Not oVeRLoAD!

 Do not force tool. Match tool capacity to work

load requirement. Use tool within its rated capacity and only for its

designated purpose. Overloading air tools will cause premature wear

and/or permanent damage of internal and external drive parts and will

void warranty.

10. Inspect hoses and fittings for wear and damage prior to using tool.

Do not carry or drag tool by the air hose. Keep air hose free from

obstruction, twisting and binding.

Summary of Contents for M643

Page 1: ...eye and ear protection when using air powered tools If raising dust debris wear a suitable mask Do not wear loose clothing or jewelry 5 Always operate tool a safe distance from yourself and others in the work area Keep footing and balance at all times 6 Make sure work piece is secure to allow safe operation of the tool with both hands Do not hold the work piece in your hand lap or against any part...

Page 2: ...wheel as indicated in Assembly 2 Grip tool with both hands and place onto the area to sand 3 Squeeze the Trigger 14 You can vary the speed of the tool to suit your needs by varying the amount of pressure applied 4 Move tool in a uniform pattern either up or down or side to side to ensure even grinding 5 Periodically check the tool for any potential wear Replace used grinding wheel when necessary P...

Page 3: ...ssor tank contributes to reduced performance and damage of the air tool Drain the air tank and fil ters before each use and as necessary to keep the air supply dry Hose length over 25 causes loss in line pressure Increase hose I D or increase compressor pressure to compensate for the pres sure loss Use an in line pressure regulator with gauge if air inlet pressure is critical 7 No DESCRIPTION QTY ...

Page 4: ...purpose for which it is not designed or which has been repaired or altered in any way so as to affect adversely its performance or reliability nor shall these warranties apply to any product or part which has been subject to misuse neglect accident or wear and tear incident to normal use and service PERFORMANCE TOOL does not authorize any other person to make any warranty or to assume any liabilit...

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