See Figures 58, 62-64.
1. Remove the screws and engine cover as described
previously.
2. Clean the engine ns.
3. Lift the chain brake over the post.
4. Lay the chainsaw on its side with the bar and chain
on the ground.
5. Remove the chain lubricant and fuel caps.
6. Remove the three screws that hold the starter housing
in place.
7. Lift off the starter cover and set aside.
8. Replace chain lubricant and fuel caps to prevent
contamination during cleaning.
9. Clean the ywheel ns.
10. Replace the starter housing. Reinstall screws and
secure.
11. Replace the chain lubricant and fuel caps.
12. Replace the engine cover. Reinstall screws and
secure.
13. Replace the chain brake on the post.
See Figure 65.
See Figure 66.
1. Remove the spark plug lead by carefully rotating back
and forth whilst gently pulling upwards.
2. Loosen the spark plug by turning it counterclockwise
with a wrench.
3. Remove the spark plug.
4. Hand thread the new spark plug, turning it clockwise.
Tighten securely with wrench.
Note: Be careful not to cross-thread the spark plug.
Cross-threading will seriously damage the engine. A
small drop of lubrication on the thread will ensure the
spark plug is easily removed on the following service.
5. Re-attach the spark plug lead by pressing rmly onto
the top of spark plug.
See Figure 67.
1. Allow the mufer to cool.
2. Remove the deector retaining nut.
3. Remove the deector to access the spark arrestor
screen and gasket.
4. If dirty, clean the spark arrestor screen with a small
wire brush. Replace the screen and gasket if they
are cracked or otherwise deteriorated. Reinstall the
retaining nut.
To obtain a replacement spark arrestor, contact your
Ryobi dealer or service centre.
See Figure 68.
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