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Makita EA3500S Technical Information

Manual is about: Gasoline Chain Saws

Summary of EA3500S

  • Page 1

    Product c oncept and main applications p 1/ 16 s pecification note: the standard equipment for the tool shown above may vary by country. Model no. Ea3500s, ea3501s description petrol chain saws saw chain .......................................... 1 guide bar (sprocket nose type) ........ 1 guide bar...

  • Page 2

    P 2/ 16 [1] necessary repairing tools [2] disassembly/ assembly [2]-1. Chain tensioner description code no. Use for t-type hexalobular wrench (1) remove sprocket guard, guide bar and saw chain from machine. (2) remove guide plate from guide bar bolts of engine housing complete carefully to prevent d...

  • Page 3

    P 3/ 16 (1) pull up wing grip complete. (fig. 1b) (2) while pushing wing grip complete against spring tension in sprocket guard complete, turn wing grip complete counterclockwise until sprocket guard complete is removed. (fig. 2b) (3) sprocket guard complete with toolless chain tension adjustment ca...

  • Page 4

    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 ...

  • Page 5

    P 5/ 16 (1) remove sprocket guard, guide bar and saw chain from machine. (2) unscrew m5x40 hexalobular socket head bolt and two m5x16 hexalobular socket head bolts as drawn in fig. 10, and then disassemble muffler section as drawn in fig. 11. Assemble the components of muffler section by reversing t...

  • Page 6

    P 6/ 16 (1) remove sprocket guard, guide bar and saw chain from machine. (2) pull hand guard toward tubular handle to release chain brake. Then, remove “clutch drum assembly”. Refer to [2]-2. (3) set 1r396 on clutch and turn it clockwise using cordless impact driver with 19mm socket bit. (fig. 12) n...

  • Page 7

    P 7/ 16 (1) remove clutch drum section and clutch section. Refer to [2]-2 “clutch drum section” and [2]-5 “clutch section”. (2) remove tension spring 10. Refer to [2]-3 “chain brake section”. (3) remove pump drive from crank shaft while sliding pump drive back and forth slowly to disengage with gear...

  • Page 8

    P 8/ 16 (1) remove sprocket guard, guide bar and saw chain from the machine. (2) remove “recoil starter section”. See [2]-7. (3) remove spark plug and set 1r372 into the hole for spark plug to prevent crank shaft from being turned together with m8x1 hex nut in the next step. (4) remove m8x1 hex nut ...

  • Page 9

    P 9/ 16 note: drain fuel tank before disassembling carburetor. See fig. 23. (1) remove hood by inserting the tip of 1r186 from the cross slit of plug and turning m5x20 hexalobular socket head screw in hood counterclockwise. (2) turn choke lever to the position of “stop” to prevent dirt from entering...

  • Page 10

    P 10/ 16 (2) check the following points. • intermediate flange is inserted into the groove on engine housing complete. • when cylinder comes into engine housing complete, pulse tube end and red tube end are placed on the position to connect with carburetor. (fig. 27) • before fastening cylinder to c...

  • Page 11

    P 11/ 16 see figs. 29 and 30 for the positions of needle-idle (l) and needle-high speed (h) . After tightening each needle to the full; • unscrew needle-idle (l) one and a half turns. • unscrew needle-high speed (h) four turns. Note: adjust the rpm from the above setting positions with 1r070. Fig. 2...

  • Page 12

    P 12/ 16 unscrew 5.5x16 hexalobular tapping screw and pull grip shell half slightly up and toward the screw hole side.(fig. 33) note: when disassembling throttle lever: (1) remove sprocket guard, then remove two compression springs 12 and four 5.5x16 hexalobular tapping screws on a and b sides. (fig...

  • Page 13

    P 13/ 16 (1) referring to “disassembly of [2]-11. Tank assembly”, disassemble the machine as drawn in figs. 35 and 34. (2) using long-nose pliers, carefully pull out the one end of fuel line from fuel nipple. (refer to figs 38 and 29.) note: connect the one end of fuel nipple to 1r127 (re; fig. 30),...

  • Page 14

    P 14/ 16 (1) remove “air filter, carburetor, and intermediate flange” as mentioned in [2]-10. (figs. 23, 24, 25, and 26) (2) piston set can be separated from crank shaft by removing ring spring 8 from piston with long-nose pliers. (fig. 39) note: supply 2-stroke engine oil to piston and the inside o...

  • Page 15

    R epair [3] troubleshooting on ignition system is spark plug dry and properly installed? Remove spark plug. Does spark plug has damage? Is spark plug different from the spec. ? Is there carbon black on the electrodes? Replace spark plug. Use makita genuine spark plug. See operating manual! Otherwise...

  • Page 16

    R epair [4] fastening torque fastening for crank case underside 266608-2 4 5x40 hexalobular tapping screw part no. Of screw/ bolt/ clutch description quantity fastening torque (n.M.) 10 ± 0.5 intermediate flange 266651-1 2 5.5x16 hexalobular tapping screw 4 ± 0.5 muf fler base (the component of muf ...