GA7040R-TE, MAKITA Budowa, Instrukcje serwisowe
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//-->TECHNICAL INFORMATIONGA7030R, GA7040R/ GA9030R, GA9040RModel No.DescriptionPRODUCTP 1/ 11LCONCEPT AND MAIN APPLICATIONSAngle Grinders 180mm (7'')/ 230mm (9'')Models GA7030R/ GA7040R/ GA9030R/ GA9040R are developedas sister tools of GA7030S/ GA7040S/ GA9030S/ GA9040S.Additionally to the benefits of GA7030S series models,Models GA7030R/ GA7040R/ GA9030R/ GA9040R feature:Anti-restart functionLarge trigger switch with a lock lever having two differentactions for releasing the switch from Lock-off position andlocking the switch on in order to comply with the requirementof the new IEC RegulationsWheel size is:180mm (7'') for Models GA7030R/ GA7040R230mm (9'') for Models GA9030R/ GA9040RHWDimensions: mm (")GA7030RGA9030RModel No.GA7040RGA9040RLength (L)503 (19-4/5)Width (W) 200 (7-7/8)250 (9-7/8)Height (H)140 (5-1/2)SpecificationGA7030R/ GA9030RVoltage (V)110120220230240GA7040R/ GA9040RVoltage (V)110120220230240SpecificationWheel size: mm (")Current (A)231512.51211.5Model No.Cycle (Hz)50/ 6050/ 6050/ 6050/ 6050/ 60Continuous Rating (W)InputOutput2,4001,500---1,0002,6001,8002,6001,8002,6001,800Max. Output (W)3,7003,7004,9004,9004,900Current (A)151511.511.010.5Cycle (Hz)50/ 6050/ 6050/ 6050/ 6050/ 60Continuous Rating (W)OutputInput1,650850---9002,4001,7002,4001,7002,4001,700Max. Output (W)2,9002,9004,5004,5004,500GA7030R/ GA7040R180 (7)22.23 (7/8)8,500GA9030R/ GA9040R230 (9)6,600DiameterHole diameterNo load speed: min-1= rpm.Soft start featureAnti-restart functionDouble insulationPower supply cord: m (ft)Net weight*3: kg (lbs)YesYesYes2.0 (6.6)*1/ 2.5 (8.2)*26.3 (13.8)/ 6.6 (14.6)6.5 (14.4)/ 6.9 (15.2)*1for Brazil, Australia*2for all countries except the two listed above*3Weight according to EPTA-Procedure 01/2003,with Side grip, Wheel cover, Inner flange, Lock nutStandard equipmentLock nut wrench 35 .................... 1 pcVibration absorbing side grip ..... 1 pcNote:The standard equipment for the tool shown above may vary by country.OptionalaccessoriesToolless quick adjustable wheel cover, Toolless lock nut, Dust cover attachment, Plastic carrying caseGA7030R/ GA7040R:Accessories for 180mm angle grinderGA9030R/ GA9040R:Accessories for 230mm angle grinderP2/11RepairCAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.[1] NECESSARY REPAIRING TOOLSCode No.1R0051R2041R2231R2241R2521R269DescriptionRetaining ring pliers RT-2NJig for tightening Nut M15-23Torque wrench shaft 20-90N.mRatchet head 12.7Round bar for arbor 30-100Bearing extractorAssembling / disassembling Torque limiter sectionAssembling Felt ring 18 to Gear housing completeAssembling / disassembling Ball bearingsUse forRemoving Retaining ring R-42 from Gear housing complete[2] LUBRICATIONSApply the following lubricants to protect parts and product from unusual abrasion.Item No.5444853Fig. 15Ball bearing 6000LLB4853Bearing boxDescriptionGear housing complete Gear roomLock washerFlat washer 15Spindle completePortion to lubricateLubricantMakita grease SGNo.0Amount61ga littleportion where Large spiral bevel gear contactsportion where Large spiral bevel gear contactsportion where Ball bearing 6203DDW contactsMolybdenum desulfide a littleDrum portion where Large spiral bevel gear contacts44Large spiralbevel gearM15-23 nutCup washer 20[3] DIFFERENCE BETWEEN GA7030R/ GA7040R AND GA9030R/ GA9040RIn addition to Wheel cover and available Wheels, the following parts are different.Item No. Parts of GA7030R, GA7040R745Spiral bevel gear 16Spiral bevel gear 53DgroovedParts of GA9030R, GA9040RSpiral bevel gear 12Spiral bevel gear 53Cnot groovedDescription in Technical informationSmall spiral bevel gearLarge spiral bevel gearRepairP 3/ 11[4] DISASSEMBLY/ASSEMBLY[4]-1. Armature, Small spiral bevel gear, Ball bearing 6301DDWDISASSEMBLING(1) Disassemble Armature and Spiral bevel gear (small) as illustrated inFigs. 2and3.Fig. 2Remove Carbon brushes. And thenremove 5x35 Tapping screws.5x35 Tapping screw(4pcs.)Brush holder capRemove Gear housing completetogether with Armature.Gear housing completeArmatureRemove Bearing box and M6x22Hex socket head bolts.Carbon brushFig. 3Turn Armature counterclockwise whileholding M8 Hex nut with Wrench 13.M8 Hex nut can be removed.M8 Hex nutPull off Armature whileholding Small spiral bevel gear.M6x22 Hex socket head bolt (4pcs.)Note:If the above work is very difficultdue to the seizing of Small spiralbevel gear, spray a lubricantbetween Armature shaft and SmallSmall spiralspiral bevel gear. And then turnbevel gearand pull Armature while holdingSmall spiral bevel gear with pliersand a cloth.ArmatureWrench 13 for locking M8 Hex nut(2) Disassemble Ball bearing 6301DDW as illustrated inFigs. 4 and 5.Fig. 4Remove Retaining ring R-42 with 1R005,then remove Flat washer 20.Gear housing completeFlat washer 20Retaining ringR-42Fig. 5Set Armature and Small spiral bevel gear to Gear housing complete.And set M8 hex nut in place temporarily by reversing the step ofFig. 3.Tap the end of Gear housing complete with a plastic hammer.Ball bearing 6301DDW can be removed from Rubber ring 38 inGear housing complete. Felt ring 18 falls off at that time.Rubber ring 38M8 Hex nutSmall spiral bevel gearBall bearing 6301DDWBall bearing 6301DDWFelt ring 18 (a component of Gear housing complete)P4/11Repair[4] DISASSEMBLY/ASSEMBLY[4]-1. Armature, Small spiral bevel gear, Ball bearing 6301DDW (cont.)DISASSEMBLING(3) Disassemble Armature as illustrated inFig. 6.Fig. 6Remove M8 Hex nut and small Spiral bevel gear again.Ball bearing 6301DDW can be removed by hand.Small spiral bevel gearM8 Hex nutBall bearing 6301DDWRemove Ball bearing 6200DDW with 1R269.Ball bearing 6200DDW1R269ASSEMBLINGAssemble Gear housing section by setting Felt ring 18, Ball bearing 6301DDW, Flat washer 20 and Retaining ring(INT) R-42 in place of Gear housing complete.(1) Set Felt ring 18 in place as illustrated inFig. 7when disassembling Ball bearing 6301DDW.Fig. 7Flat washer as a jig28mm in outerdiameter0.5mm inthicknessCross-section of the bottomof the bearing roomFlat washer1R252 Rubber ring 381R252Felt ring 18Felt top portionSteel cup portion0.5mmV-blockHold Gear housing complete with twoV-blocks, and pressfit Felt ring 18 intothe hole of Gear housing complete so thatthe felt top portion and the bottom step ofGear housing complete is in line.Bottom step in Gear housing completeFelt ring 18Put a Flat washer (illustrated above) temporarily on Felt ring 18.Then press down the Flat washer with arbor press and 1R252carefully to move the Flat washer to only 0.5mm downwards.Remove the Flat washer after setting Felt ring 18 in place.P5/11Repair[4] DISASSEMBLY/ASSEMBLY[4]-1. Armature, Small spiral bevel gear, Ball bearing 6301DDW (cont.)ASSEMBLING(2) Assemble Ball bearing 6301DDW to Gear housing complete as illustrated inFig. 8.Fig. 8Armature with Ballbearing 6301DDWRubber ring 38Armature1R005Ball bearing6301DDWRetaining ring R-42Flat washer 20Make sure that Rubberring 38 is set in place.(Refer toFig. 7)Assemble Ball bearing 6301DDW toArmature temporarily.After setting Ball bearing 6301DDW inplace of Gear housing complete, pull offArmature.Putting Flat washer 20 on Ballbearing 6301DDW, secure themwith Retaining ring R-42.(3) Assemble Armature and small Spiral bevel gear to Gear housing complete as illustrated inFig. 9.Fig. 9Insert Armature shaft through Small spiral bevel gearand Ball bearing 6301DDW in Gear housing.Ball bearing6301DDWSmall spiralbevel gearSet M8 Hex nut toArmature shaft.Holding M8 Hex nut with Wrench 13,turn Armature clockwise by hand firmly.M8Hex nutArmature(4) Assemble Gear housing complete to Motor housing, And assemble Bearing box section to Gear housing complete.Reverse the disassembling step inFig. 2.
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