12
CS-4510
WARNING
Saw chain is sharp! Always wear gloves
when handling assembly, otherwise serious
personal injury may result.
GUIDE BAR AND SAW CHAIN
INSTALLATION/REMOVAL
NOTICE
• Move the chain brake lever (Front hand guard)
fully rearward to remove or install the clutch
cover to chain saw.
• Align the brake connector of the clutch cover to
the groove on the side of the brake lever (Front
hand guard).
1. Remove spark plug lead. (See maintenance sec-
tion)
2. Remove the clutch cover nuts and remove clutch
cover.
3. Remove bar and saw chain if necessary. See
“Maintenance and Care” section for guide bar /
saw chain maintenance procedures.
4. Mount guide bar on studs 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 over the guide bar studs. Ensure chain
tension adjuster pin fits into the guide bar
adjuster hole, brake band is positioned around
clutch drum. Tighten clutch cover nuts 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 nuts 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.
PREPARATION FOR USE
Clutch cover
Brake lever
(Front hand guard)
Two nuts
Unlock chain brake
Guide bar adjuster hole
Nuts
Clutch
Guide bar studs
Clutch
Guide bar
adjuster hole
Clutch cover
Adjuster pin
Brake connector
WARNING
Momentary stop switch automatically
returns to run position. Engine can start
unintentionally. Always remove spark plug
lead from spark plug before assembling
or performing maintenance procedures or
serious personal injury may result.
