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.12.Fig.10 Fig.11Hammer caseInternal gear 51Hammering mechanismInternal gear 51stepped endO ring 40O ring 40Bearing boxBearing boxFig.12Fit Hammer case complete over Internal gear 51 with Then, using No.1R224 and No.1R223,the four grooves on the inside of Hammer case complete fasten Hammer case complete toaligned with the corresponding projections on Internal gear 51.Bearing box by turning counterclockwiseto the recommended torque of 30 - 40 N.m.Hammer case completefour grooves onthe inside surfaceBearing boxInternal gear 51four projectionsSocket 32-50 for fixing Bearing boxP 6 / 9Repair[3] -2.Disassembling/Assembling Bit Holder SectionDISASSEMBLING1) Put Anvil on Pipe 30 (No.1R232).(Fig.13)2) Put your thumb on the top of Sleeve so that Compression spring 13 does not pop out of Sleeve.(Fig.14)3) While expanding Ring spring 11 using Retaining ring S and R pliers (No.1R291).raise the opposite side of the Ringspring with index finger.(Fig.14)4) Now the bit holder section can be disassembled as illustrated in Fig.15.Fig.13 Fig.14Raise this sidewith index finger.Ring spring 11SleeveAnvilNo.1R232Hammer caseExpand Ring spring 11Put your thumb onusing No.1R291.the top of Sleeve.SleeveFig.15ASSEMBLINGDo the reverse of disassembling steps.Flat washer 12 Sleeve Hammer case Nylon washer AnvilImportant:Do not forget to mount Nylon washer.(Fig.15)Compression spring 13 Steel ball 3.5[3] -3.Disassembling/Assembling Motor SectionFig.16DISASSEMBLING1) Separate the assembly of Armature and Yokeunit from the machine.(Refer to 1) to 4) of [3] -1.DisassemblingHammering Mechanism.)2) Put the assembly of Yoke unit and Armatureon a work bench so that the drive end of theArmature touches the work bench.Then separate Yoke unit from armature bypressing it down towards the work bench.(Fig.16).Yoke unitP 7/ 9Repair[3] -3.Disassembling/Assembling Motor Section (cont.)ASSEMBLINGDo the reverse of disassembling steps.Important:1) Yoke unit is not reversible when assembled to Armature.Be sure to assemble so that the notch in Yoke unit is positionedon the drive-end of Armature.If assembled wrong, the Motor section cannot be assembled to Housing (L).(Fig.17)2) Because Yoke unit is a strong magnet, when assembling Armature to Yoke unit, be sure to hold the commutator portionas illustrated to left in Fig.18.Do not hold the Armature core as illustrated to right or your fingers will be pinchedbetween Yoke unit and the fan of Armature that is pulled strongly by the magnet force.Fig.17 Fig.18[Correct] [Wrong] [Correct] [Wrong]Your fingers can be pinchedand injured.Notch3) When assembling the Motor section to Housing (L), Fig.19fit the notch in Yoke unit onto the projection onNotch Projection Housing (L)Housing (L) (Fig.19)Hammercase sideP 8/ 9Circuit diagramColor index of lead wires' sheathBrush holderBlackLight circuitcompleteRedLEDOrangeBlueSwitchTerminalConnectorWiring diagramA[1] Lead Wire of Carbon BrushAs illustrated to left in Fig.20, put each Carbon brush intoBrush holder so that its lead wire is placed outside.Then route the lead wire of Carbon brush through theoutside slot in Brush holder as illustrated to left in Fig.20.(Illustrations in Fig.20 is the Carbon brush section viewed from A.)Fig.20[Correct] [Wrong]Lead wire of Carbon brushRoute the lead wire ofCarbon brush through thisoutside slot in Brush holder.Tail of torsion springTorsion springTail of torsion springThe lead wire routedwrong may interfereThe lead wire correcltly routedthe tail of Torsionspring.P 9/ 9Wiring diagram[2] Wiring in HousingFig.21[2] -1.Lead Wires of LEDAs illustrated below, fix the two lead wires (red and black) of LEDwith lead wire holders, and route them between the pin and the boss.lead wire holderLEDLEDlead wire holderFit the corner of LED in thiscorresponding corner of Housing (L).pinBe sure that the lead wiresbossof LED are tight here.Do not cross the lead wires of LED here.ConnectorLight circuit[2] -2.Other Lead WiresBrush holder complete20°Assemble each Connectingterminal to Switch at approx.20 degrees to the vertical.The lead wire (blue) fromConnector to Switch has tolead wire holderSwitchbe routed inside of this pin.With these lead wire holders,pinfix the lead wires connectedto each connector.Light circuitConnector (large)Put Light circuit in placeConnector (small)so that the orange lead wirefaces toward the Terminal side.Put the following lead wiresbetween the rib and Light circuit.Switch side*Lead wires (red and black) fromTerminal to Connector (small)*Lead wire (blue) from Switchto Connector (small)Lead wire(orange)ribTerminal side [ Pobierz caÅ‚ość w formacie PDF ]