Check Chain Sharpness; Check Guide Bar - Craftsman 358.350480 Instruction Manual

you use your s aw. Always check
chain t ension each t ime you use and
refuel your s aw.
1. Use the screwdriver end ofthe
chain a djustment tool ( bar tool) t o
move c hain a round guide b ar t o
ensure kinks d onot e xist. The
chain s hould rotate f reely.
Bar
Chain Adjustment
_ Adjusting Tool
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.
4. Using bar tool, roll chain around
guide bar to ensure all links are in
bar groove.
5. Lift up tip of guide bar to check for
sag. Release tip of guide bar, then
turn adjusting screw until sag does
not exist.
6. While lifting tip of guide bar, tighten
chain brake nuts securely with the
bar tool.
Chain Brake
Nuts
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 counterclock-
wise. Retighten 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.
,_ WARNING: If the saw is operated
with a loose chain, the chain could
jump offthe 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 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.
After each use, ensure ON/STOP
switch is in the STOP position, then
clean all sawdust from the guide bar
and sprocket 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.
Remove Sawdust From __
Guide Bar Groov_
_ Sprocket Hole
o_ _ Oil Holes o _
• Add lubricant to sprocket hole after
each use.
• Burring of guide bar rails is a normal
process of rail wear. Remove these
burrs with a flat file.
• When rail top is uneven, use a flat file
to restore square edges and sides.
_ _rT_ File Rail Edges_r] 17
I"1
and Sides I U I
Square I I
Worn Groove Correct Groove
Replace guide bar when the groove is
worn, the guide bar is bent or cracked,
or when excess heating or burring of
the rails occurs, If replacement is nec-
essary, use only the guide bar speci-
fied for your saw in the repair parts list
or on the decal located on the chain
saw.
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