3M Buffer 8125 Bedienungsanleitung

Buffer 8125

Owner’s Manual

A table of contents:

A. SAFETY INFORMATION 1

B. OPERATING INSTRUCTION 4

C. SPARE PARTS INFORMATION (exploded view) 5

D. DISASSEMBLY METHOD 7

E. ASSEMBLY METHOD 10

F. GUIDELINE FOR PARTS EXCHANGE 11

G. PARTS DEPO AND REPAIR SERVICE 12

Appendix. – TROUBLESHOOTING CHART

A. SAFETY INFORMATION

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.

Intended Use:

This tool is designed as a bufﬁng solution for repairing automobile bodies and parts, clear coat painting on metal, ﬁber

reinforced plastic (RFP) and wood. It should not be operated in water or in an excessive wet application.

Explanation of Signal Word Consequences

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:

To reduce the risks associated with excessive pneumatic pressure, noise, vibration, eye/skin irritation, and tool breakage during

the use of this product:

•Readandfollowthesafetyinformationcontainedintheseinstructionspriortotheuseofthistool.Retaintheseinstructionsforfuture

reference.

•Alwayswearprotectionforeyes*andearswhileoperatingthisproduct.FollowANSIZ87.1orlocal/nationalstandardsforeyewearand

other personal protective equipment requirements.

•Neverexceedmaximuminputpressureof90PSI(6.2bar).

•Neverpointthistoolinthedirectionofyourbodyorthatofanotherperson.

•Ifyounoticeanyabnormalnoiseorvibrationwhenoperatingtheproduct,immediatelydiscontinueitsuseandreturntothemanufacturer

for service or repair. Refer to warranty instructions.

•Discontinueuseofthetoolifabnormalhand/wristdiscomfortisexperienced.Ifdiscomfortcontinuesseekmedicalattention.

•UsedustcaptureorlocalexhaustasstatedintheMSDS.

•UsecareinfasteningHookit™DiscBackupPadtoensurethatitissecurelyattachedtothetoolbeforeuse.

•Makesurethetoolisdisconnectedfromtheairsourcebeforecleaning,inspecting,servicingorchanginganyparts.

WARNING

•Toreducetheriskofskinabrasion,cutsorburns,donottouchrotatingpartsduringoperationforanyreason.

CAUTION

•Improperusecancausethetooltobreakapartandmaycauseinjurytooperatorsandbystanders.

•Neverfreespinthetoolorallowittobestartedunintentionally.

•Neveroperatethetoolwithoutallguardsorsafetyfeaturesinplaceandinproperworkingorder.

•Inspectbackuppadandreplaceifunusualwearisnoticed.

•Replacebackuppadatnormalintervalsaccordingtoinstructions.

CAUTION

Motor

RPM

Orbit Dia. Air Flow Air

Pressure

Weight Pad Size Noise Vibration Length Height

10,500 0.472 in

(12 mm)

380LPM

(13.4 SCFM)

90PSI

(6.2bar)

2.09lbs

(0.95kg)

2.83in

(72 mm)

80dBA 1.34–1.46

m/s2

91/8in

(232 mm)

35/8in

(93mm)

*For information on eye and face protection, see ANSI Standard Z87.1,

“Practice for Occupational and Educational Eye and Face Protection”.

Available from American National Standards Institute, Inc., 1430 Broadway,

New York, NY 10018. +1 (212) 642-4900.

HOW TO HANDLE

•Checkforloosescrewsandmissingpartsbeforeoperation.

•Connectairhosesaftercleaningallappropriatettingstoreducecontaminationfromforeignobjects,dust,sand,etc.

•Duringinspectionofeachpartmakesuretodetachairhoses.

•Whenconnectingairhoseswithanairtool,donotsqueezethetrigger.

•Donotthrowthetool.

•Donotdragthetoolwhileholdingtheairhose.

•Donotusethetoolinanon-recommendedapplication.

•Operationwithoutlubricationwillcauserapidwearonthemotorandcanleadtorotationfailure.

•Priortostoring,lubricatethetoolatalowspeedtospreadoilinsidethemotor.

•Selectadryandsafeplaceforstorage.

•Frequentcleaningofairconnectionswillreducecontaminationofthemotor.

•Abnormalnoiseorvibrationduringoperationindicatesanimmediateneedfortoolrepair.

•Ifrepairisnecessarynotifysalesofceorrepaircenterfromwhereyoupurchasedthistoolregardinginspectionandrepair.

•Useonlyrecommendedreplacementparts.

PRIOR TO OPERATION

•Keeptheworkareaclean,orderlyandfreeofobstacles.

•Inspectforlooseparts(toolandattachment)priortooperation.

•Conrmthatairpressuredoesnotexceed90PSI/6.2bar.

•Whenconnectingtoanairhoseensureasecureconnectionthatwillnotloosenduringoperation.

•Centerthebufngpadonthebackuppad.

•Pressthebufngpadsecurelyintoplace.

START AND STOP

•Placethetoolincontactwiththeworkpiece.

•Startthetoolbypressingthelever/triggerlightly.

•Keepthetoolatwhileincontactwiththeworksurface.

•Slowthetooldownbeforeremovingfromtheworkpiece.

•Detachairhosewhenthetoolisnotinuse.

•Detachthetoolfromtheairsourcewhentransporting.

DURING OPERATION

•Speedcanbeadjustedfromlowtohighwiththespeedcontrollerknob.

•Donotapplyexcessiveforcetothetool.Excessiveforcecanleadtoinefcienttoolperformanceanddecreasedtoollife.

B. OPERATING INSTRUCTIONS

PRIOR TO OPERATION

•Makesuretheworkplaceisneatandisinappropriatecondition.

•Checkforlooseparts(pad,etc.).

•Makesuretheairpressureisappropriatelessthan90PSI(6.2bar).

•Whenacouplerorextensionisused,besureitistightsothatitwillnotcomeloosebecauseofvibration,etc.

START OF OPERATION

•Thetoolstartswhentheleverispressed.Itstopswhentheleverisreleased.Whenyouwork,besuretooperatetheleverafterthebufng

padcontactstheworksurface.

PRIOR TO OPERATION AND AFTER OPERATION

•Besuretooilthetoolmotorthroughtheairsupplyopening.Afteroiling,runthetoolatlowspeed.

•Whennotinproduction,removeairhoseandstoreinsafe,dryplace.

16-3

16-416-2

16-1

16-3

22 29

Parts Page

C. SPARE PARTS INFORMATION - continued

ITEM No. PART No. DESCRIPTION QTY

1 410320 Spring pin ( 3” x 20”) 1

2  22975A  Valvelever  1

3  OV12  Snapring(OV-12) 1

4  20820  Valvepinsleeve  1

5  KS07  Oring(KS-7)  1

6  KS02  Oring(KS-2)  1

7  20823  Valve   1

8  25814  Valvespring  1

9  229013A Body   1

10  22952  Silencer  2

11  22953  Silencercap  1

12 130512 Screw (M5 x 12”) 1

13  3805  Washer(M5)  1

14  6000ZZ  Ballbering(6000ZZ) 1

15  207083  U-baringcase  1

16  216031A Cylinderset  1set

16-1  216031  Cylinderset  1

16-2  KS05  O-ring(KS-5)  1

16-3  410308  Springpin(3”x8”) 2

16-4  410304  Springpin(3”x4”) 1

17  22621  Rotor   1

18  22622  Vane   8

19  22342  L-bearingcase  1

20  6300ZZ  Ballbearing(6300ZZ) 1

21 22340 Shaft with head 1

22  510313  H/Rkey(13”x3”) 1

23  20913  Retainerbolt  1

24  6001DD Ballbearing(6001DD) 2

25  22309  18feltring  1

26  22308  Dustseal  1

27 22341 Pad retainer 1

28  OV28  Snapring(OV-28) 1

29  22907  Bodygasket  1

30  22951  Basering  1

31  22908  Dustpacking  1

32 150412 Screw (M4 x 12) 4

33  *  3”pad  1

* 3M™ Disc Pad 00-51111-55764-8

Special Tools for repair operation

ITEM No. PART No. DESCRIPTION QTY

1  ST005  6200bearingpunch 1

2 ST007 3 mm pin punch 1

3  ST008  945Ashaftbearingpuller 1

4 ST024 Bearing puller stand 1

5 ST502 Snap ring pliers 1

D. DISASSEMBLY METHOD

Remove the air hose before disassembling the tool. Disassembly while the air hose is still attached is very dangerous.

CAUTION

1. Remove pad holder.

Use the attached spanner to remove the pad. Secure the pad retainer (27) and rotate the pad (33)

inthecounterclockwisedirection.

2. Removing the Base Ring

Removefourscrews(32)andremovethebasering(30).Removethebodygasket(29).

3. Disassembly of the Motor

Remove the motor assembly. Remove the screw (12) from the up-

per end of the motor assembly.

Remove the ball bearing as well as

theU-bearingcase(14&15).

Remove the ball bearing (14)

using a special puller.

Removethecylinderset(16). Removethevanes(18).

Remove the ball bearing (14)

using a special puller.

RemovetheH/Rkey(22). TheL-bearingcaseandtheballbearing

(19&20)areremovedusingaplastichammer

so that the shaft (21) will not be damaged.

Theballbearing(20)isremovedfromtheL-bearingcase(19)usingaspecialpuller.

Removethesnapring(28)from

the shaft assembly.

Remove the pad retainer assembly

using a special tool.

Clamp the pad retainer (27) in a vise

and remove the retainer bolt.

Remove the ball bearing (24)

using a special tool.

Removethedustseal(26)andthe

18Diafeltring(25).

4. Disassembly of the Valve

Removethedustseal(26)and

f18diameterfeltring(25).

Using a snap ring tool, remove the

snap ring (3).

Remove the valve pin sleeve and the

O-ringKS-7(4&5)togetherwiththe

O-ringKS-2andthevalve(6&7).

Be careful not to lose the valve spring.

RemovetheO-ringKS-2andthe

valve(6&7)fromthevalvepin

sleeveandtheO-ringKS-7(4&5).

RemovetheO-ringKS-7(5)outfrom

the valve pin sleeve (4).

RemovetheO-ringKS-2(6)from

the valve (7).

ST502

ST005 ST008

ST024

ST007

1) ST005  6200bearingpunch

2) ST007 3 mm pin punch

3) ST008  945Ashaftbearingpuller

4) ST024 Bearing puller stand

5) ST502 Snap ring pliers

5. Special tools for the repair operation (to help the disassembly)

E. ASSEMBLY METHOD

•Beforeassembly,inspecteachpartforwearordamage.

•Useonlyrecommendedspareparts.

•Applyoillightlyoneachpart.

•ExchangedamagedOrings.DonotomittheOrings.

•Applygrease(generalpurposegrease).

•Assemblethepartscarefullyinthereverseorderfromthedisassembly.

•Assemblethemotor,payingspecialattentiontotherequiredupperandlowerclearance.

•Whenassemblyisnished,checkforloosescrews,etc.

•Pourafewdropsofairtooloilintotheairinletpart,andrunataslowspeed.

•Checkthatitrotatesfreely.

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