1. Undo the bolts holding on the clutch cover.
2. Slacken the chain tensioning screw.
3. Using a small allen key, remove the centre screw from clutch control handle.
4. Ease out the hinge packing washers from both sides of the handle.
5. Remove the handle
6. Using a screw driver ease the clutch band from around the clutch hub to release the cover.
7. Remove the chain and saw blade.
8. Dismantle by removing the 3 spring cover screws.
9. Clean all components thoroughly with paraffin or some other de-greaser.
10. Lubricate components except the clutch band of course
11. Reassemble.
12. Test.
13. Bobs your uncle.
Rickspark, March 2011