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• Replace with Champion CJTY spark
plug and tighten with a 3/4 inch socket
wrench (10-12 ft-lbs). Spark plug gap
should be .025 in.
• Reinstall the spark plug boot.
• Reinstall the cylinder cover and 3
screws (15-20 in-lb_). "....
PlugBoot
Spark
Plug
Cylinder
Cover
CHAIN REPLACEMENT
CAUTION: 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 dur-
ing the first 15 minutes of operation. You
should recheck your chain tension fre-
quently and adjust the chain tension as
required. See Chain Tension section.
• Move On/Stop switch to the Stop
position.
• Replace the old chain when it be-
comes worn or damaged.
• Use only the Low-Kickback replace-
ment 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.
• Remove bar clamp nuts.
• Remove bar clamp.
• Remove the old chain.
• Slide the guide bar rearward until it
stops against the sprocket.
• Carefully remove new chain from
package. Hold chain with the ddve
links as shown.
Cutters Dep_ Gauge
Drive Links
• Place chain over and behind clutch.
• Fit the bottom of the ddve links be-
tween the teeth in the sprocket nose.
• Fit chain ddve links into bar groove.
• Pull guide bar forward until the chain
is snug in the guide bar groove.
• Install the bar clamp.
• Install bar clamp nuts; finger tighten
only. Do not tighten any further at this
point.
Bar
Nuts
• Turn adjustingscrew on barto move
the tensioningrack as far as it will go
toward the front ofthe bar.
Bar ClampNuts
CHAIN ADJUSTMENT
See "ChainTension"in Maintenance
section.
TensioningRack
14
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