Chain Tension - Scotts S20500 Manuel D'utilisation

and place the loop around the sprocket of the
chain saw. Fit the bar flush against the mounting
surface so that the bar stud is in the long slot of
the bar.
NOTE: When placing the bar on the bar stud,
assure that the adjusting pin is in the chain ten-
sion pin hole.
 Replace the chain cover, washer and chain
cover screw. Tighten the chain cover screw
finger tight only. The bar must be free to move
for tension adjustment.
 Remove all the slack from the chain by turning
the chain tensioning screw clockwise until the
chain seats snugly against the bar with the drive
links in the bar groove.
 Lift the tip of the guide bar up to check for
sag. Release the tip of the guide bar and turn
the chain tensioning screw 1/2 turn clockwise.
Repeat this process until sag does not exist.
 Hold the tip of the guide bar up and tighten the
bar mounting screw securely.
 Chain is correctly tensioned when there is no
sag on the underside of the guide bar, the chain
is snug, but it can be turned by hand without
binding.
NOTE: If chain is too tight, it will not rotate.
Loosen the chain cover screw slightly and turn
tension adjuster 1/4 turn counterclockwise. Lift
the tip of the guide bar up and retighten chain
cover screw securely. Assure that the chain will
rotate without binding.
 Place the hex key back into the storage area.

CHAIN TENSION

See Figures 29 - 30.
WARNING:
Never touch or adjust the chain while the
motor is running. The saw chain is very sharp.
Always wear protective gloves when performing
maintenance on the chain.
 Remove the battery pack before you do any
work on the chain saw.
 Make sure the guide bar screw is loosened to
finger tight, turn the chain tensioner clockwise
to tension the chain. Refer to Replacing Bar
MAINTENANCE
and Chain earlier in this manual for additional
information.
 A cold chain is correctly tensioned when there
is no slack on the underside of the guide bar,
the chain is snug, but it can be turned by hand
without binding.
24 — English
SPROCKET
CHAIN
CHAIN
TENSION PIN
COVER
HOLE
CHAIN DRIVE
LINKS
BAR
GROOVE
ADJUSTING
PIN
BAR
CHAIN
CHAIN
COVER
SCREW
WASHER
Fig. 24
Fig. 25
CHAIN
TENSIONING
SCREW
Fig. 26