Makita EK7651H, EK7650H dimensions P 8, Flywheel, Ignition coil, Repair, Disassembly/Assembly

Models: EK7650H EK7651H

1 19
Download 19 pages 23.18 Kb
Page 8
Image 8
P 8/ 19

P 8/ 19

Repair

 

[4] DISASSEMBLY/ASSEMBLY

 

[4]-4. Flywheel, Ignition coil

Fig. 22

 

DISASSEMBLING FLYWHEEL COMPLETE

(1)Loosen four M5x30 - Hexalobular socket head bolts, then remove Fan cover. (Fig. 22)

(2)Remove M10 Flange nut from Crankshaft by turning counterclockwise

by using Cordless impact driver with 14mm flats width Socket bit. (Fig. 23)

(3) Mount 1R364 on Flywheel complete, then put Screwdriver through the center shaft of IR364. (Fig. 24)

(4)While holding the one of M6 bolts and center bolt with Water pump pliers to prevent 1R364 from being rotated, turn Screwdriver clockwise.

When Flywheel is removed from Crankshaft, a snap sound is heard because of their tapered fit.

Fig. 23

Fig. 24

 

Center bolt of 1R364

 

14mm flats width

 

Socket bit

M10 Flange nut

Crankshaft

 

Flywheel

Screwdriver

 

Fig. 25

ASSEMBLING FLYWHEEL COMPLETE

 

M5x30 - Hexalobular socket head bolt (4 pcs.)

M6 bolt of 1R364

Water pump pliers

(1)Remove grease from Crankshaft complete.

(2)After aligning the key slot of Flywheel complete with Woodruff key in the keyway of Crankshaft complete, mount Flywheel complete onto Crankshaft complete. (Fig. 25)

(3)Assemble the rest by reversing the disassembly procedure.

Woodruff key in key way of Crankshaft complete

Key slot of

Flywheel complete

ADJUSTMENT THE GAP BETWEEN IGNITION COIL AND FLYWHEEL

 

0.3 up to 0.4mm is the proper gap between Ignition coil and Flywheel.

Fig. 26

 

M5x16 Hexalobular socket head bolt

Refer to Fig. 26 and the following steps.

(1) Loosen two M5x16 Hexalobular socket head bolts on Ignition coil.

1

(2 pcs.)

(2) Insert 0.3mm leaf of 1R366 between Ignition coil and the magnet of

 

Flywheel complete.

2

 

Ignition coil will be attracted to the magnet through the Feeler gauge.

0.3 up to

Then, without removing the Feeler gauge, fasten Ignition coil to

 

0.4mm

the engine with two M5x16 Hexalobular socket head bolts.

 

 

First tighten 1 , the next, tighten 2 . The order is easy to keep

 

 

the proper gap.

 

 

(2) Remove 1R366. Then make sure that Flywheel complete does not

 

 

touch Ignition coil by turning it by hand.

 

0.3mm leaf of 1R366

 

 

Page 8
Image 8
Makita EK7651H, EK7650H dimensions P 8, Flywheel, Ignition coil, Repair, Disassembly/Assembly