Makita EK7650H Technical Information

Also see for EK7650H: Instruction manual Owner's and safety manual Original instruction manual Instruction manual Original instruction manual

[4] DISASSEMBLY/ASSEMBLY[4]-8. Engine (cont.)R epairP 16/ 19DISASSEMBLINGFig. 58M6x30 Hexalobularsocket head bolt (8 pcs.)Cylinder blockSlottedscrewdriverCylinder blockTop ringSecond ringOil ringPistonPiston pinRing spring 12Crankshaftcomplete*Flat washer 41Oil seal L*The components cannot besupplied individually.Ring spring 12Woodruff key 4Oil seal 17M5x16Hexalobularsocket headbolt (3 pcs.)Crank case viewedfrom the bottomsideCrank case viewed from the bottom sideImportant: When Intake/ Exhaust valves have to be replaced, remove Cylinder head complete.(Refer to previous page.)(5) Loosen eleven Hexalobular socket head bolts on the bottom of Crank case (Fig. 58), then remove Crank case fromCylinder block. As Liquid gasket makes Cylinder block stick on Crank case, insert and twist a slotted screwdriverbetween the clearance. (Fig. 59)Scrape away Liquid gasket on the mating surface.(6) Pull out the assembled part of Crank shaft and Piston from Cylinder block. (Fig. 60)(7) Remove one of Ring spring 12 with a thin slotted screwdriver, then push Piston pin from the opposite with careso as not to damage the other Ring spring 12. (Fig. 61)The following parts mentioned in Fig. 62 can be replaced individually. When the rest parts have to be replaced,Crankshaft complete is required.Fig. 59Fig. 61Fig. 62Fig. 60Insert a thin slotted screwdriverfrom the depression on the ribaround Piston pin hole.Piston pin Ring spring 12PistonSlottedscrewdriver

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