GA6021-TE, MAKITA Budowa, Instrukcje serwisowe
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//-->TECHNICAL INFORMATIONGA5011/GA6011, GA5021/GA6021Angle Grinders 125mm (5") /150mm (6")HWLModel No.DescriptionPRODUCTP 1/11CONCEPT AND MAIN APPLICATIONSThese four models have been developed as sister modelsof GA5010/GA6010 and GA5020/GA6020, featuringLarge type switch trigger.Models GA5021/GA6021 feature Super Joint System (SJS).Dimensions: mm (")Model No.GA5011GA6011Length (L)384 (15-1/8)Width (W) 139 (5-1/2)172 (6-3/4)Height (H)113 (4-7/16)Dimensions: mm (")Model No.GA5021GA6021Length (L)384 (15-1/8)Width (W) 139 (5-1/2)172 (6-3/4)Height (H)120 (4-3/4)SpecificationVoltage (V)110120220230240Model No.DiameterWheel size:mm (") Hole diameterNo load speed: min.-1 =rpmSuper Joint System (SJS)Electric brakeProtection against electric shockPower supply cord: m (ft)Net weight: kg (lbs)NoNoCurrent (A)10115.04.84.6Cycle (Hz)50/6050/6050/6050/6050/60GA5011125 (5)22.23 (7/8)11,000YesYes(North America only)Continuous Rating (W)InputOutput1,050700---9001,0507001,0507001,050700GA5021GA6011150 (6)10,000NoNoMax. Output (W)1,6001,6001,7001,7001,700GA6021YesYes(North America only)2.2 (4.8)Double insulationAustralia: 2.0 (6.6), Other countries: 2.5 (8.2)2.3 (5.1)2.2 (4.8)2.3 (5.1)Standard equipmentLock nut wrench 35 .............. 1 pcLock nut wrench 28 .............. 1 pcDepressed center wheel ......... 1 pc (125-36 for GA5011 and GA5021, 150-36 for GA6011 and GA6021)Side grip ................................ 1 pcNote:The standard equipment for the tool shown above may differ from country to country.OptionalaccessoriesAnti-vibration grip, Dust cover attachment, Loop handle, Toolless wheel coverGA5011, GA5021: Accessories for 125mm angle grinderGA6011, GA6021: Accessories for 150mm angle grinderP 2 / 11RepairCAUTION: Unplug the machine, and remove the wheel, the wheel cover, the inner and the outerflange from the machine for safety before repair/ maintenance in accordance withthe instruction manual!Note:Some parts numbers and descriptions differ from model to model. Refer to the following list and replace thedescriptions in this technical information. (for example, Small spiral bevel gear means Spiral bevel gear 13 or Spiralbevel gear 11.)Model No.DescriptionSmall spiral bevel gearLarge spiral bevel gearBall bearing in Bearing boxRing spring on SpindleSpindleGA50111334A6202DDW11 (Inner diameter: 10.5mm)GA60111135AGA50211334B6002DDW7 (Inner diameter: 6.5mm)Longer than that ofGA5011 and GA6011GA60211135Bwithout SJS-Super Joint Systemwith SJS-Super Joint SystemBearing boxLonger than that ofGA5011 and GA6011[1] NECESSARY REPAIRING TOOLSCode No.1R0041R0051R0301R0361R0391R2581R2681R2691R350DescriptionRetaining Ring S Pliers ST-2Retaining Ring R Pliers RT-2NBearing Setting Pipe 25-17.2Bearing Setting Plate 17.2V Block (1set: 2pcs)Spring Pin Extractor 3Bearing extractor (small)Ring 60Wrench 11Removing Ring spring on SpindleRemoving Retaining ring R-30 from Gear housing.Assembling Large spiral bevel gearUse forArmature Holder 41.5 Set for Vise Holding Armature when removing Small spiral bevel gear from ArmatureHolding Bearing box when removing Large spiral bevel gear from SpindleRemoving Shoulder pin 5Removing Ball bearing 696ZZHolding Gear housing when disassembling Shaft lock mechanismRemoving / assembling M7 Hex nut from / to Armature shaft[2] LUBRICATIONLubricate the parts below in order to protect parts and product from unusual abrasion.Put approx. 15g of Makita grease SG No.0 in the gear room of Gear housing.Apply Makita Grease SG No.0 to the portions designated with the mark of. (Fig.1)Item No.3949Fig. 1Large spiral bevel gear4939DescriptionPortion to lubricateLock spring 16 (GA5021 and GA6021 only) Outer peripherySurface that contacts Large spiral bevel gearSpindleP 3 / 11Repair[3] DISASSEMBLY/ASSEMBLY[3] -2. Small Spiral Bevel Gear, Armature, Ball bearing 6000DDWDISASSEMBLY(1) Take the disassemble step as illustrated inFig. 2 to 7.Fig. 2Carbon brushBearing boxsectionFig. 3Fig. 45x25 Tappingscrews: 4 pcs.Gear housingArmatureM5x18 Pan headscrews: 4 pcs.After removing Carbon brush,unscrew M5x18 Pan head screws.Striking the illustrated position,disassemble Bearing box section.MotorhousingSeparate Gear housing with Armaturefrom motor housing by unscrewing5x25 Tapping screws.Fig. 5M7 Hex nutGear housingHolding Armature with 1R039and Vise, remove M7 Hex nutby turning Wrench 11 counter-clockwise.Fig. 6Small spiral bevel gearArmature1R039Wrench 11Holding Gear housing while facing its bearing boxinstallation side upward, pull off Armature.Small spiral bevel gear is left in Gear housing.Fig. 7Cloth that is wrapping Smallspiral bevel gearSmall spiralbevel gearWater pumppliersIf impossible to pull off Armature by hand as illustrated inFig. 6,spray Small spiral bevel gear with Lubricant.Wrapping Small spiral bevel gear with cloth, remove it withWater pump pliers while twisting.Armature is separated from Gear housing.P 4 / 11Repair[3] DISASSEMBLY/ASSEMBLY[3] -2. Small Spiral Bevel Gear, Armature, Ball bearing 6000DDWDISASSEMBLY(2) Disassemble Ball bearing as illustrated inFigs. 8 to 9 / 9A / 9B.Fig. 8Fig. 91R005Retaining ring R-30Ball bearing6000DDWDisassemble Retainingring R-30 with 1R005.And then, remove Flatwasher 22.Fig. 9ASmall spiralbevel gearM7 Hex nutTap Gear housing on table.Ball bearing 6000DDW comes out from Gear housing.If Ball bearing 6000DDW can not be removed, go aheadto Figs. 9A and 9B.Fig. 9BFlatwasher 22ArmatureBall baring6000DDWInserting Armature into Gear housing, mount Smallspiral bevel gear on Armature shaft, and secureSmall spiral bevel gear with M7 Hex nut.Strike Gear housing with plastic hammer.Ball bearing 6000DDW is removed together withArmature.ASSEMBLY(1) Assemble Ball bearing 6000DDW into Gear housing. Refer toFig. 9.(2) After assembling Flat washer 22, secure the Ball bearing 6000DDW and Flat washer 22 with Retaining ring R-30.Refer toFig. 8.(3) Insert Armature into Gear housing. Refer toFig. 6.And assembling Small spiral bevel gear to Armature shaft,secure it with M7 Hex nut. Refer toFig. 5.(4) And then, do the reverse of the disassembling steps. Refer toFigs. 2 to 4.P 5 / 11Repair[3] DISASSEMBLY/ASSEMBLY[3] -3A. Large Spiral Bevel Gear, Spindle, Ball bearing 6202DDW(GA5011, GA6011 without SJS)DISASSEMBLY(1) Separate Bearing box section, as illustrated inFigs. 2 and 3.(2) Disassemble Bearing box section as illustrated inFigs. 10, 11, 12 and 13.Fig. 10Fig. 11Bulge1R269Hold the disassembled Bearingbox section at the three bulgeswith 1R258 for easy disassembling.Ball Bearing696ZZSlotted screwdriver1R2581R258Ring spring 111R005Disassemble Bearing box sectionas illustrated inFig. 3.Remove Ball bearing 696ZZas illustrated above.Opening the notch of Ring spring 11 with 1R005, lift up its opposite sidewith slotted screwdriver. Ring spring 11 can be removed.Note:If Ring spring 11 is deformed in this step, replace the deformed oneby the new one.Fig. 12Fig. 13M3x6 Panhead screw: 3 pcs.Bearingretainer39Large spiral bevel gear1R2461R2581R258BearingboxFlat washer 15Ball bearing 6202DDWSpindle with Labyrinth ringAfter removing Bearing retainer 39, disassembleBall bearing 6202DDW with 1R246 and Arbor press.Note:Ball bearing 6202DDW is damaged whenremoving Spindle with Arbor press in the stepofFig. 12.Therefore, do not reuse it when assembling.Remove Spindle by pressing with Arbor press.
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