UH4860-TE, MAKITA Budowa, Instrukcje serwisowe

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//-->TECHNICAL INFORMATIONUH5260/ UH4860/ UH4260Hedge Trimmers 520mm/ 480mm/ 420mmLWModel No.DescriptionPRODUCTP 1/5CONCEPT AND MAIN APPLICATIONSThese three Hedge trimmers have been developed fordo-it-yourselfers, featuring compact, lightweightand more improved handling.HModel No.Length (L)Width (W)Height (H)Dimensions: mm (")UH5260UH4860UH4260921 (36-1/4) 871 (34-1/4) 821 (32-1/4)194 (7-5/8)194 (7-5/8)SpecificationVoltage (V)220230240Current (A)1.91.81.8Cycle (Hz)50/6050/6050/60Continuous Rating (W)InputOutput400---400---400---Max. Output (W)---------SpecificationsBlade length: mm (")Model No.UH5260520(20-1/2)UH4860UH4260No load speed: min-1=spm*1Blade pitch: mm (")Protection from electric shockPower supply cord: m (ft)Net weight*3: kg (lbs)3.0(6.6)480420(18-7/8)(16-1/2)1,60018(11/16)Double insulation0.3 (0.98)*22.92.8(6.4)(6.1)*1:spm= strokes per minute*2:UK: 10m (32.8ft)*3:Weight according to EPTA-Procedure 01/2003Standard equipmentBlade cover .................................... 1Hook complete ................................ 1 (except UK)Cord holder complete ..................... 1Note:The standard equipment for the tool shown above may vary by country.OptionalaccessoriesShear blade assembly setBlade coverHook completeCord holder completeArm band complete setChip receiver assembly setP2/ 5RepairCAUTION: 1) Unplug the machine for safety before repair/ maintenance !2) Do not touch the shear blades of Blade complete ![1] NECESSARY REPAIRING TOOLSCode No.Description1R034 Bearing setting plate 12.21R269Bearing extractorUse forRemoving GearRemoving Bearing box complete[2] LUBRICATIONApply Makita grease N. No.2 to the following portion to protect parts and product from unusual abrasion.1) Gear room (5g: Refer toFig. 6.)2) Crank portion of Blade complete (2g: Refer toFig. 8)3) Contact portion of Spindle bottom end and Bush (a little: Refer toFig. 8)[3] DISASSEMBLY/ASSEMBLY[3] -1. Blade complete and Front handleDISASSEMBLING1) Turn the machine upside down and keep it in a horizontal position using Front handle. (Fig.1)2) Remove two Screws and Protecting board. (Fig.1)3) Remove two Screws on Front handle (Fig.2)and then push both ends of Front handle with Switch lever B. (Fig.3)Front handle with Switch lever B can be separated from L/R housing set.4) Remove fourteen Screws and Housing R of L/R housing set. (Fig.4)5) Pick off two Pins 4 that secure Blade complete to L/R housing set. (Fig.5)6) Turn Gear to the direction of Blade top, and Gear itself and Blade crank portion will rise up from the original position.(Fig.6)Note:1) The shear blades of Blade complete moves when the above step is taken. Therefore, pay attention not to pinchyour finger and a part of clothes.2) When touching the portion close to shear blades, wear a glove to protect your hand.7) Remove Bush and Flat washer 8 from Spindle. (Fig.7)Blade complete and two Spindle sleeves can be removed from Spindle and Gear. (Fig.8)Fig. 1Fig. 2Fig. 3Protecting boardScrews (2pcs.)Front handleBoth endsof FronthandleportionSwitchlever BScrewsFront(2pcs.)Remove the fittings.handleFig. 4Housing RFig. 5TweezersPin 4Fig. 6GearBladeHousing L completeFig. 7SpindleFig. 8BladecompleteGearSpindleBlade completeFlat washer 8BushSpindle sleeve(2pcs.)Repair[3] DISASSEMBLY/ASSEMBLY[3] -1. Blade complete and Front handle (cont.)ASSEMBLINGP3/ 5Take the disassembling step in reverse.Note:Be sure to set Flat washer 8 and two Spindle sleeves in place. (Figs.7 and 8)Align the convex of Switch lever B with the depressions of L/R Housing set on the vertical lines, (Fig.9)and thenfit their convex into their protrusions by enlarging Front grip portion carefully and shifting it. (Fig.10)Fig. 9Fig. 10Enlarge both ends of Front handledepression of Housing Rportion carefully.Shift their ends to the fittings.protrusion on the right end ofSwitch lever BAlign the depression of Housing Lwith the protrusion on the left endof Switch lever B in the same step.[3] DISASSEMBLY/ASSEMBLY[3] -2. GearDISASSEMBLING1) Remove Blade complete, two Spindle sleeves, Flat washer 8 and Bush. (Refer to pervious page.)2) Remove Gear and Spindle asan assembled part,and then remove Flat washer 8 between Gear and Bearing box complete.(Fig.11)The assembled part can be disassembled as illustrated inFig. 12using 1R034 and arbor press.Fig. 11Bearing boxcompleteFig. 12arbor pressGear1R034Flat washer 8an assembled partsof Gear and SpindleASSEMBLINGTake the disassembling step in reverse.Note:Be sure to pass Flat washer 8 through Spindle between Gear and Bearing box complete. (Figs.11)Spindle and Gear are directional. Refer to Figs.13 and 14.Fig. 13Step of GearSpindleFig. 14SpindleFlat surfaceof GearThe assembled partof Gear and Spindle1R034SpindleRepair[3] DISASSEMBLY/ASSEMBLY[3] -3. Armature, Switch and Power supply cordDISASSEMBLING1) Remove Blade complete and Gear. (Refer to pervious pages.)Carbon brushes, Switch and Power supply cord can be removed.2) Remove Rod whose ends are linked to Switch lever A and Switch arm B.Conseqently, Switch lever A with Spring, Switch arm B and Switch leverFig. 15C can be removed. (Fig.15)Spring3) Separate Switch from the two pins of Housing L. (Fig.15)4) Remove Brush holders, and then separate Armature with Bearing boxcomplete from Housing L. (Fig.16)SwitchNote:Carbon brushes can be removed without removing Brush holders.lever A5) Remove Bearing box complete from Armature using 1R269. (Fig.17)6) Remove Ball bearings 627ZZ and 6000ZZ from Armature shaft using1R269.Fig. 16Carbon brushesP4/ 5Pins ofHousing LSwitchRodSwitch lever CPower supplycordFig. 17Brush holders1R269Bearing boxcompleteSwitch arm BArmatureBearing box completeBall bearing627ZZBall bearing6000ZZ (underArmature fan)ASSEMBLINGTake the disassembling step in reverse.Note:Align the groove of Switch arm B with the vertical line of Housing Lagainst the bottom line as illustrated inFig. 18.Fig. 18vertical line of Housing Lthe groove ofSwitch arm Bthe bottom lineof Housing LP5/ 5Repair[3] DISASSEMBLY/ASSEMBLY[3] -4. Switch lever B (and Front handle)DISASSEMBLINGRefer to the clause of[3]-1.ASSEMBLING1) When separating Front handle from Switch lever B;- hook one end of Spring with the protrusion of Front handle.- hook the tab of Switch lever B with the edge of Front handle. And hookthe other end of Spring with the protrusion of Switch lever B. (Fig.19)2) Refer to the clause of[3]-1.and then tighten two Screws to assemble Front handle section.Fig. 19protrusion ofSwitch lever Btab of Switchlever Bprotrusion ofFront handleSpringCircuitFig. D-1diagramBlackWhiteColor index of lead wires' sheathBlueYellowTerminal blockSwitchFieldCapacitor assyBrush holder [ Pobierz całość w formacie PDF ]

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