3M Buffer 8125 Bedienungsanleitung
1
3M
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:
2
To reduce the risks associated with excessive pneumatic pressure, noise, vibration, eye/skin irritation, and tool breakage during
the use of this product:
•Readandfollowthesafetyinformationcontainedintheseinstructionspriortotheuseofthistool.Retaintheseinstructionsforfuture
reference.
•Alwayswearprotectionforeyes*andearswhileoperatingthisproduct.FollowANSIZ87.1orlocal/nationalstandardsforeyewearand
other personal protective equipment requirements.
•Neverexceedmaximuminputpressureof90PSI(6.2bar).
•Neverpointthistoolinthedirectionofyourbodyorthatofanotherperson.
•Ifyounoticeanyabnormalnoiseorvibrationwhenoperatingtheproduct,immediatelydiscontinueitsuseandreturntothemanufacturer
for service or repair. Refer to warranty instructions.
•Discontinueuseofthetoolifabnormalhand/wristdiscomfortisexperienced.Ifdiscomfortcontinuesseekmedicalattention.
•UsedustcaptureorlocalexhaustasstatedintheMSDS.
•UsecareinfasteningHookit™DiscBackupPadtoensurethatitissecurelyattachedtothetoolbeforeuse.
•Makesurethetoolisdisconnectedfromtheairsourcebeforecleaning,inspecting,servicingorchanginganyparts.
WARNING
•Toreducetheriskofskinabrasion,cutsorburns,donottouchrotatingpartsduringoperationforanyreason.
CAUTION
•Improperusecancausethetooltobreakapartandmaycauseinjurytooperatorsandbystanders.
•Neverfreespinthetoolorallowittobestartedunintentionally.
•Neveroperatethetoolwithoutallguardsorsafetyfeaturesinplaceandinproperworkingorder.
•Inspectbackuppadandreplaceifunusualwearisnoticed.
•Replacebackuppadatnormalintervalsaccordingtoinstructions.
CAUTION
Motor
RPM
Orbit Dia. Air Flow Air
Pressure
Weight Pad Size Noise Vibration Length Height
10,500 0.472 in
(12 mm)
380LPM
(13.4 SCFM)
90PSI
(6.2bar)
2.09lbs
(0.95kg)
2.83in
(72 mm)
80dBA 1.34–1.46
m/s2
91/8in
(232 mm)
35/8in
(93mm)
*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.
3
HOW TO HANDLE
•Checkforloosescrewsandmissingpartsbeforeoperation.
•Connectairhosesaftercleaningallappropriatettingstoreducecontaminationfromforeignobjects,dust,sand,etc.
•Duringinspectionofeachpartmakesuretodetachairhoses.
•Whenconnectingairhoseswithanairtool,donotsqueezethetrigger.
•Donotthrowthetool.
•Donotdragthetoolwhileholdingtheairhose.
•Donotusethetoolinanon-recommendedapplication.
•Operationwithoutlubricationwillcauserapidwearonthemotorandcanleadtorotationfailure.
•Priortostoring,lubricatethetoolatalowspeedtospreadoilinsidethemotor.
•Selectadryandsafeplaceforstorage.
•Frequentcleaningofairconnectionswillreducecontaminationofthemotor.
•Abnormalnoiseorvibrationduringoperationindicatesanimmediateneedfortoolrepair.
•Ifrepairisnecessarynotifysalesofceorrepaircenterfromwhereyoupurchasedthistoolregardinginspectionandrepair.
•Useonlyrecommendedreplacementparts.
PRIOR TO OPERATION
•Keeptheworkareaclean,orderlyandfreeofobstacles.
•Inspectforlooseparts(toolandattachment)priortooperation.
•Conrmthatairpressuredoesnotexceed90PSI/6.2bar.
•Whenconnectingtoanairhoseensureasecureconnectionthatwillnotloosenduringoperation.
•Centerthebufngpadonthebackuppad.
•Pressthebufngpadsecurelyintoplace.
START AND STOP
•Placethetoolincontactwiththeworkpiece.
•Startthetoolbypressingthelever/triggerlightly.
•Keepthetoolatwhileincontactwiththeworksurface.
•Slowthetooldownbeforeremovingfromtheworkpiece.
•Detachairhosewhenthetoolisnotinuse.
•Detachthetoolfromtheairsourcewhentransporting.
DURING OPERATION
•Speedcanbeadjustedfromlowtohighwiththespeedcontrollerknob.
•Donotapplyexcessiveforcetothetool.Excessiveforcecanleadtoinefcienttoolperformanceanddecreasedtoollife.
B. OPERATING INSTRUCTIONS
PRIOR TO OPERATION
•Makesuretheworkplaceisneatandisinappropriatecondition.
•Checkforlooseparts(pad,etc.).
•Makesuretheairpressureisappropriatelessthan90PSI(6.2bar).
•Whenacouplerorextensionisused,besureitistightsothatitwillnotcomeloosebecauseofvibration,etc.
START OF OPERATION
•Thetoolstartswhentheleverispressed.Itstopswhentheleverisreleased.Whenyouwork,besuretooperatetheleverafterthebufng
padcontactstheworksurface.
4
PRIOR TO OPERATION AND AFTER OPERATION
•Besuretooilthetoolmotorthroughtheairsupplyopening.Afteroiling,runthetoolatlowspeed.
•Whennotinproduction,removeairhoseandstoreinsafe,dryplace.
5
12
3
4
5
6
7
8
10
11
12
13
14
15
16-3
16-416-2
16-1
16-3
17
18
20
28
27
26
25
24
23
21
22 29
31
30
32
33
19
9
Parts Page
6
C. SPARE PARTS INFORMATION - continued
ITEM No. PART No. DESCRIPTION QTY
1 410320 Spring pin ( 3” x 20”) 1
2 22975A Valvelever 1
3 OV12 Snapring(OV-12) 1
4 20820 Valvepinsleeve 1
5 KS07 Oring(KS-7) 1
6 KS02 Oring(KS-2) 1
7 20823 Valve 1
8 25814 Valvespring 1
9 229013A Body 1
10 22952 Silencer 2
11 22953 Silencercap 1
12 130512 Screw (M5 x 12”) 1
13 3805 Washer(M5) 1
14 6000ZZ Ballbering(6000ZZ) 1
15 207083 U-baringcase 1
16 216031A Cylinderset 1set
16-1 216031 Cylinderset 1
16-2 KS05 O-ring(KS-5) 1
16-3 410308 Springpin(3”x8”) 2
16-4 410304 Springpin(3”x4”) 1
17 22621 Rotor 1
18 22622 Vane 8
19 22342 L-bearingcase 1
20 6300ZZ Ballbearing(6300ZZ) 1
21 22340 Shaft with head 1
22 510313 H/Rkey(13”x3”) 1
23 20913 Retainerbolt 1
24 6001DD Ballbearing(6001DD) 2
25 22309 18feltring 1
26 22308 Dustseal 1
27 22341 Pad retainer 1
28 OV28 Snapring(OV-28) 1
29 22907 Bodygasket 1
30 22951 Basering 1
31 22908 Dustpacking 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 6200bearingpunch 1
2 ST007 3 mm pin punch 1
3 ST008 945Ashaftbearingpuller 1
4 ST024 Bearing puller stand 1
5 ST502 Snap ring pliers 1
7
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)
inthecounterclockwisedirection.
2. Removing the Base Ring
Removefourscrews(32)andremovethebasering(30).Removethebodygasket(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
theU-bearingcase(14&15).
8
Remove the ball bearing (14)
using a special puller.
Removethecylinderset(16). Removethevanes(18).
Remove the ball bearing (14)
using a special puller.
RemovetheH/Rkey(22). TheL-bearingcaseandtheballbearing
(19&20)areremovedusingaplastichammer
so that the shaft (21) will not be damaged.
Theballbearing(20)isremovedfromtheL-bearingcase(19)usingaspecialpuller.
Removethesnapring(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.
9
Remove the ball bearing (24)
using a special tool.
Removethedustseal(26)andthe
18Diafeltring(25).
4. Disassembly of the Valve
Removethedustseal(26)and
f18diameterfeltring(25).
Using a snap ring tool, remove the
snap ring (3).
Remove the valve pin sleeve and the
O-ringKS-7(4&5)togetherwiththe
O-ringKS-2andthevalve(6&7).
Be careful not to lose the valve spring.
RemovetheO-ringKS-2andthe
valve(6&7)fromthevalvepin
sleeveandtheO-ringKS-7(4&5).
RemovetheO-ringKS-7(5)outfrom
the valve pin sleeve (4).
RemovetheO-ringKS-2(6)from
the valve (7).
10
ST502
ST005 ST008
ST024
ST007
1) ST005 6200bearingpunch
2) ST007 3 mm pin punch
3) ST008 945Ashaftbearingpuller
4) ST024 Bearing puller stand
5) ST502 Snap ring pliers
5. Special tools for the repair operation (to help the disassembly)
E. ASSEMBLY METHOD
•Beforeassembly,inspecteachpartforwearordamage.
•Useonlyrecommendedspareparts.
•Applyoillightlyoneachpart.
•ExchangedamagedOrings.DonotomittheOrings.
•Applygrease(generalpurposegrease).
•Assemblethepartscarefullyinthereverseorderfromthedisassembly.
•Assemblethemotor,payingspecialattentiontotherequiredupperandlowerclearance.
•Whenassemblyisnished,checkforloosescrews,etc.
•Pourafewdropsofairtooloilintotheairinletpart,andrunataslowspeed.
•Checkthatitrotatesfreely.
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