Loading ...
Loading ...
Loading ...
Make sure engine stops; then restart
engine and continue.
• Fue_Tank - Do not use saw if fuet
tank shows signs of damage or
leaks.
• Oil Tank - Do not use saw if oil tank
shows signs of damage or leaks.
CHECK FOR LOOSE
FASTENERS AND PARTS
Bar Clamp Nut
Chain
Muffler
Cylinder Shield
Air Filter
Clutch Drum/Sprocket
Handle Screws
Vibration Mounts
Starter Housing
Handguard
CHECK CHAIN TENSION
• Use the screwdriver end of the bar
toot to move chain around guide bar
to ensure kinks do not exist. The
chain should rotate freely.
Bar Ctamp Nuts
• Loosen bar clamp nuts untit they are
finger tight against the bar clamp.
• Turn adjusting screw until chain
barely touches the bottom of guide
bar.
• Using bar toot, roll chain around guide
bar to 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
bar clamp nuts with the bar tool.
Torque to 10-15 ft-lbs.
• Use the screwdriver end of the bar
toot to move chain around guide bar.
• If chain does not rotate, it is too tight.
Slightly loosen bar clamp nuts and
loosen chain by turning the adjusting
screw. Retighten bar clamp nuts.
• If chain is too loose, it wilt sag below
the guide bar. DO NOT operate the
saw if the chain is loose.
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A
dull chain makes a sawdust powder
and cuts slowly.
CHAIN SHARPENING
Chain sharpening requires speciat
tools. You can purchase sharpening
tools at Sears or go to a professional
chain sharpener.
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 of oil 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, To maintain guide bar:
• Move ON/STOP switch to STOP
• Remove bar and chain from saw.
• Clean all sawdust and any other
debris from the guide bar groove and
sprocket hole after each use.
Remove Sawdust__ 0
From Guide Bar
Groove le
• Add lubricant to sprocket hole after
each use.
• Burring of guide bar rails is a normat
process of raii wear. Remove these
burrs with a flat file.
• When rail top is uneven, use a flat
file to restore square edges and
sides.
]_r Fi_eEdges andsides Square [_]
Worn Groove Correct Groove
12
Loading ...
Loading ...
Loading ...