Clutch | Guide bar stud |
| Guide bar |
| adjuster hole |
| Adjuster pin |
| Nut |
| Clutch cover |
Unlock chain brake
Spiked bumper; option
Direction to tension the chain
Adjusting screw
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Proper tension | Improper tension | ||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4.Mount guide bar on stud and slide toward clutch to make saw chain installation easier. Install chain with cutters on top of guide bar facing forward.
5.Unlock the chain brake, and install the clutch cover (and spiked bumper; option) over the guide bar stud. Ensure chain tension adjuster pin fits into the guide bar adjuster hole, brake band is positioned around clutch drum. Tighten clutch cover nut finger tight.
6.Turn saw over, and check brake band for correct position on clutch drum. If brake band is not in place around drum, remove cover, make sure brake is unlocked, and reinstall. Tighten clutch cover nut finger tight.
WARNING
Improper clutch cover assembly can result in serious injury, and will cause severe saw damage if unit is started. Never start or operate saw if brake band is not in place on clutch drum. Always check chain brake operation after replacing cover. Do not use saw if chain brake does not function properly.
ADJUSTING CHAIN TENSION
IMPORTANT
Always loosen clutch cover nut before turning the chain tension adjuster, otherwise the clutch cover and tensioner will be damaged.
1.Remove spark plug lead. (See page 25)
2.Loosen a clutch cover nut, if necessary.
3.Hold the bar nose up, and turn the adjuster screw clockwise until chain fits snugly against underside of the bar.
4.Tighten a nut with the bar nose held up.
5.Pull the chain around the bar by hand. Loosen the adjustment if you feel tight spots.
6.When chain is properly tensioned, tighten clutch cover nut securely - 20 to 23 N·m (175 to 200 in. lb.).
7.Keep chain properly tensioned at all times.
11 |
