Makita EH7500S Repair 3 DISASSEMBLY/ASSEMBLY 3 -6. Ignition cont, Spark Plug, Ignition Coil

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Repair

[3]DISASSEMBLY/ASSEMBLY

[3]-6. Ignition (cont.)

MAINTENANCE

Spark Plug

(1)Remove Plug cap with Socket wrench 10-16. Clean the spark terminals of the removed Plug. (Fig. 20) And adjust the gap of Spark terminals to 0.6 - 0.7 mm.

Fig. 20

1.Remove the remaining Fuel and Carbon deposits stuck in the gap with wire brush and air duster.

0.6- 0.7 mm

0.7mm Feeler gauge of 1R366

2.Adjust the gap between Spark terminals to 0.7 mm by inserting 0.7 mm Feeler gauge of 1R366.

(2)Mount Plug cap on the Plug and contact the Plug’s thread portion to the metal portion of engine, and then, pull Starter rope gently. The plug is in order if its terminals have sparking constantly.

In case of no sparking at the terminals, return to “MAINTENANCE in [3]-6. Ignition” and replace the Plug with the new one if the plug is out of order.

DISASSEMBLING

Ignition Coil

(1)Remove Blower housing, Cylinder cover, Muffler cover and Ignition coil.

Note: Do not lose Spacer for insulating Cylinder’s heat when removing Cylinder cover.

(2)Remove Rubber from Insulator. (Fig. 21)

Fig. 21

Rubber