Repair

[4]DISASSEMBLY/ASSEMBLY

[4]-7. Ignition (cont.)

DISASSEMBLING OF IGNITION COIL

See Fig. 34.

(1)Remove Cylinder cover and cable from Ignition coil terminal.

(2)Loosen two M4x20 Hex socket head bolts and remove Ignition coil from Engine.

Note: Do not lose two spacers on the bolts as the heat protection.

ASSEMBLING OF IGNITION COIL

See Fig. 35.

(1)While attaching 0.3mm thickness gauge of 1R366 to the magnet portion of Flywheel, set Ignition coil in place.

Note: Two M4x20 Hex socket head bolts (Fig. 34) are with threadlocker. Therefore, when re-using them, apply ThreeBond 1342 or Loctite 242 to the threads.

(2)After setting Ignition coil, remove the thickness gauge then turn Flywheel by hand to check if it turns smoothly

without being stuck.

Note: Be sure to insert Spacer on M4x20 Hex socket head bolt when fastening Ignition coil to Engine. (Fig. 34)

(3) Assemble Cylinder cover to Engine.

[4]-8. Flywheel

DISASSEMBLING

P 8/ 14

Fig. 34

 

Spacer

 

(2pcs.)

 

M4x20 Hex socket

Earth terminal of Ignition

head bolt (2pcs.)

coil to connect with Cable

Connector of Cable

Fig. 35

Ignition

 

coil

 

Flywheel

Clearance between

Flywheel and

 

Ignition coil: 0.3mm

Note: • Flywheel can be easily removed without holding the piston.

Do not remove Spark plug as compressed air resistance has to be used for the disassembling.

Plug cap with Plug cap spring has to be removed from Spark plug to prevent Engine from running. (Fig. 31)

(1)Turn M8 Flange nut in the center of Flywheel counterclockwise using Cordless impact driver with 13mm Socket bit. (Fig. 36)

(2)Install 1R364 on Flywheel then screw two M6 bolts into Flywheel as drawn in Fig. 37 instead of M6x25 shoulder hex bolts. Flywheel is removed from Engine.

Important: Screw two M6 bolts evenly.

 

Fig. 36

Fig. 37

Flange nut

(M8)

ASSEMBLING

1R364

M6 bolts

(the components of 1R364)

(1)Wipe off the grease and oil from Crank shaft. (Fig. 38)

(2)Put Woodruff key 3 into Crank shaft, then align the key groove of Flywheel to the crank shaft with the key. (Fig. 38)

(3)Screw M8 Flange nut to the thread of Crank shaft by turning the nut clockwise by hand.

(4)Tighten M8 flange nut about two seconds using Cordless impact driver with 13mm socket bit.

Fig. 38

Key groove of Flywheel’s hole

Wipe off the grease and

 

oil from Crank shaft

Woodruff

in advance.

key 3

 

Crankshaft in cylinder block assembly)

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Makita EX2650LH specifications Flywheel, Disassembling of Ignition Coil, Assembling of Ignition Coil