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_SWARNING:
Disconnect
the spark
plug before performing
maintenance,
service, or adjustments
except for car-
buretor adjustments.
CHAIN SHARPENING
Chain sharpening
requires
special
tools. You can purchase sharpening
tools at Sears or go to a professional
chain sharpener.
CHAIN REPLACEMENT
_kWARNING:
Wear protective
gloves when handling
chain. The
chain is sharp and can cut you even
when it is not moving.
It is normal for a new chain to stretch
during the first 15 minutes of operation.
You should recheck your chain tension
frequenfiy and adjust De chain tension
as required. See CHAIN TENSION sec-
tion.
Replace the old chain when it be-
comes worn or damaged.
Use only
the Low-Kickback
replacement
chain
specified
in the repair parts list. The
correct replacement
bar and chain is
also specified
on a decal located on
the chain saw.
See your Sears Service Center to re-
place and sharpen individual
cutters
on your chain.
TO REPLACE
CHAIN:
1. Move ON/STOP switch to the STOP
position.
2.
Remove chain brake nuts.
3.
Remove chain brake.
4.
Turn adjusting
screw on bar coun-
terclockwise
to move the tension-
ing rack as far as it will go toward
the front of the bar.
Tensioni_a_cc_kng
R
,._
5. Slide guide bar behind clutch drum
until guide bar stops against clutch
drum sprocket.
6.
Remove the old chain.
7. Carefully
remove new chain from
package.
Hold chain with the drive
links as shown.
Cutters
Depth Gauge
Drive Links
8.
Place chain overand
behind
clutch, fitting the drive links in the
clutch drum sprocket.
9.
Fit bottom of drive links between
the teeth in the sprocket
in the
nose of the guide bar.
10. Fit chain drive links into bar
groove.
11. Pull guide bar forward until chain is
snug in guide bar groove.
Ensure
all drive links are in the bar groove.
12. Install chain brake.
13. Install chain brake nuts and finger
tighten only. Do not tighten any fur-
ther at this point.
Proceed to
CHAIN ADJUSTMENT
CHAIN ADJUSTMENT
See CHAIN TENSION in MAINTENANCE
section.
CARBURETOR
ADJUSTMENT
.'I,=
4LlbWARNING:
The chain will be
moving
during most of this procedure.
Wear your protective
equipment
and
observe all safety precautions.
During
the low speed mixture adjustment
re-
check idle speed after each turn of the
screw. The chain must not move at idle
speed.
Carburetor
adjustment
is critical and if
done improperly
can permanently
damage
the engine as well as the car-
buretor. If you require further assis-
tance or are unsure about performing
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