Makita EA3500S Technical Information

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P 4/ 16(1) Remove Sprocket guard, Guide bar and Saw chain from machine.(2) Remove Clutch drum assembly. (Figs. 4, 5 and 6)(3) Turn Hand guard toward Chain bar top side to operate Chain brake.Note: This allows the tension of Brake guard to be relaxed.(4) Remove two 3x10 Tapping screws and Brake cover from Enginehousing complete. (Fig. 7)(5) Lift the round portion of Brake band in the direction of the arrow.(Fig. 8) And then, remove the hooked end portion of Brake band.Brake band is removed from brake mechanism.(6) Hold Machine so as not to be moved.(7) Pull and remove Tension spring 10 with 1R199 in the direction ofthe arrow drawn in Fig. 9.Note: Wear gloves for safety.Fig. 7Fig. 9R epairDISASSEMBLING[2] DISASSEMBLY/ ASSEMBLY[2]-3. Chain brake sectionAssemble the components by reversing the disassembling procedure.Note: • Be sure to apply Makita grease N No. 2 on the engaged teeth of Helical gear 18 and Helical gear 11.• Make sure that Hand guard guide is not unhooked. Push it back into position that is 4mm distance from Pin Busing Screwdriver so that Hand guard guide and Hand guard can be set in place.• Be sure to use the new Stop ring E-4.ASSEMBLINGEngine housing complete3x10 Tappingscrew (2 pcs.)Brake cover(8) Remove Starter complete. Refer to [2]-8 “Recoil starter section”.(9) Remove 4.7x16 Hexalobular tapping screw and Flat washer 5 fromStarter complete installation side on Hand guard. (Fig. 8)(10) Remove Stop ring E-4 from Pin A of Engine housing complete. (Fig. 8)(11) Lift up the Pin A side of Spacer sheet metal, and then lower it a littleto remove the Pin B side of Spacer sheet metal from Pin B.Remove Spacer sheet metal from Engine housing complete completely.(12) Remove Bush 6 from Pin A/ B (one each). (Fig. 8)(13) Cover Engine housing complete with cloths, and hold them in Vise.(14) Remove Link plate complete from Engine housing completein the horizontal direction of Pin A/ B. (Fig. 8)(15) Remove Muffler section. Refer to [2]-4 “Muffler section”.(16) Remove the recoil starter side end of Hand guard in the direction of Muffler installation side, then move the chain barside end of Hand guard back and forth lightly to remove from Pin B of Engine housing complete.Tension spring 10 1R199Fig. 8Stop ring E-4Spacer sheetmetalPin B of Enginehousing completePin A of Enginehousing completeHand guard[viewed from Chain bar installation side]Brake bandEngine housing completeLink plate completeTension spring 10Pin B of Enginehousing completePin A of Enginehousing completeBush 6 (2 pcs.)Spacer sheet metalFlat washer 54.7x16 Hexalobulartapping screwStop ring E-4Hooked end portionof Brake bandRound portion of Brake bandBushLink plate completeHand guard guideCompressionspring 6Bush4mm