Check Chain Tension - Craftsman C944.411363 Instruction Manual

Gasoline chain saw
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the switch to the STOP position.
Make sure engine stops; then restart
engine and continue.
• Fuel Tank - Do not use saw if fuel
tank shows signs of damage or leaks.
• Oil Tank - Do not use saw ifoil tank
shows signs of damage or leaks.
CHECK
FOR LOOSE
FASTENERS
AND PARTS
Chain Brake Nuts
Chain
Muffler
Cylinder
Shield
Air Filter
Handle Screws
Vibration
Mounts
Starter Housing
Front Hand Guard
CHECK
CHAIN TENSION
_WARNING:
Wear protective
gloves when handling
chain.
The
chain is sharp and can cut you even
when it is not moving.
Chain tension is very important.
Chains
stretch during use. This is especially
true during the first few times you use
your saw. Always check chain tension
each time you use and refuel your saw.
1.
Use the screwdriver
end of the
chain adjustment
tool (bar tool) to
move chain around guide bar to
ensure kinks do not exist. The
chain should
rotate freely.
Chain Brake
Screw
(Bar Tool)
Nuts
2. Loosen chain brake nuts until they
are finger tight against the chain
brake.
3. Turn adjusting
screw clockwise
un-
til chain solidly contacts
bottom of
guide bar rail.
Adjusting
Screw
4.
5.
6.
Using bar tool, roll chain around
guide barto ensure all links are in
bar groove.
Lift up tip of guide bar to check for
sag. Release tip of guide bar, then
turn adjusting
screw until sag does
not exist.
While lifting tip of guide bar, tighten
chain brake nuts securely
with the
bar tool.
7.
Use the screwdriver end of the bar
tool to move chain around guide bar.
8.
If chain does not rotate, it is too tight.
Slightly loosen chain brake nuts and
loosen chain by turning the adjusting
screw counterclockwise.
Retlghten
chain brake nuts.
9.
If chain is too loose, it will sag be-
low the guide bar. DO NOT operate
the saw if the chain is loose.
aWARNING:
If the saw is operated
with a loose chain, the chain could
jump off the guide bar and result in se-
rious injury.
CHECK
CHAIN SHARPNESS
A sharp chain makes wood chips. A
dull chain makes a sawdust powder
and cuts slowly. See CHAIN SHARP*
ENING in the SERVICE AND ADJUST-
MENTS section.
CHECK
GUIDE BAR
Conditions
which require guide bar
maintenance:
• Saw cuts to one side or at an angle.
• Saw has to be forced through the cut.
• Inadequate
supply ofoil to bar/chain.
Check the condition
of guide bar each
time chain is sharpened. A worn guide
bar will damage the chain and make
cutting difficult.
After each use, ensure ON/STOP switch
is in the STOP position, then clean all
sawdust
from the guide bar and sprock-
et hole.
To maintain
guide bar:
• Move ON/STOP switch to STOP.
• Loosen and remove chain brake
nuts and chain brake. Remove
bar
and chain from saw.
• Clean the oil holes and bar groove
after each 5 hours of operation.
15

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