Owner's Manual

13
Tighten
chain
Adjusting Wheel
Loosen
chain
5. Using screwdriver, move cha in
around guide bar to ensure all links
are in bar groove.
6. While lifting tip of guide bar, tighten
bar knob securely (clockwise).
Hand tighten only!
TIGHTEN
Bar
Knob
7. Push lever on bar knob down to re-
turn lever to closed/locked position.
WARNING: Failure to pus h lever
on bar kn ob down to closed/locked posi-
tion could result in serious personalinju-
ry or damage to your chain saw.
8. Use a screwdriver to move chain
around guide bar.
9. If chain does not rotate, it is too tight.
Loosen bar knob 1 tur n (count ercl ock-
wise); then, loosen chain by turning
the adjusting wheel
1
/
4
turn ( upward
direct i on). Retighten bar knob.
10. If chain is too loose, it will sag below
the guide bar.
DO NOT ope rate the
saw if the chain is loose.
WARNING: If the saw is operated
with a loose chain, the chain c ould jump
off the guide bar and result in serious in-
jury.
CHECK CHAIN SHARPNESS
A sharp c hain makes wood chips. A dull
chain makes a sawdust powder and cuts
slowly. See
CHAIN SHARPENING in the
SERVICE AND ADJUSTMENTS section.
CHECK GUIDE BAR
Conditi ons which requir e guide bar main-
tenance:
S Saw cuts to one side or at an angle.
S Saw has to be forced through the cut.
S Inadequate supply of oil to the bar and
chain.
Check the condition of the guide bar each
ti me the chain is sharpened. A worn guide
bar will damage the chain and make cut-
ti ng diff i cul t .
Aft er each use, wit h unit disconnected
fr om power source, clean all sawdust fr om
the guid e bar and sprocke t hole.
To maintain guide bar:
S Disconnect t he chain saw f r om the pow-
er source.
S Loosen and remove bar clamp nuts.
Remove bar and chain from saw.
S Clean the oil holes and bar groove aft er
each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burri ng of guide bar rai l s is a normal
process of rai l wear . Remove these
burrs with a flat file.
S When rail top is uneven, use a fl at file to
restor e square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace the guide bar when the groove is
worn, the guide bar is bent or crack--ed, or
when excess heating or bur r i ng of the rail s
occur s. If replacem en t is necessary, use
only the guide bar specified for your saw in
the repai r part s list or on the decal locat ed
on the chain saw .
LUBRICATION
Bar Oil Fill Cap