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S Turn idle speed screw (T) counterclock-
wise to decrease engine speed.
If you require further assistance or are unsure
about performing this procedure, contact your
authorized service dealer or call
1--800--554--6723.
BAR MAINTENANCE
Ifyoursaw cutstooneside,hasto beforced
throughthecut,orbeenrunwithanimproper
amount of bar lubrication it may be neces-
sarytoserviceyourbar. Awornbarwilldam-
age your chain and make cutting difficult.
After each use, ensure ON/ST OP switch is
inthe S TOP position, thenclean allsawdust
from the guide bar and sprocket hole.
To maintain guide bar:
S MoveON/ST OPswitchto the STOPposi-
tion.
S Loosen andremove chain b rake nuts and
chain brake. Remove bar and chain f rom
saw.
S Clean t heoil holesand bargroove aftereach
5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
S Whenrailtopisuneven,useaflatfiletore-
store square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replaceguide barwhen thegroove is worn,
the guide bar is bent or cracked, or when
excess heatingorburring ofthe r ailsoccurs.
If r eplacementis necessary ,useonly theguide
barspecifiedforyoursaw i ntherepairpartslist
or on the decal located on the chain saw .
CHAIN SHAR PENING
WARNING: Improper chain sharp-
ening techniques and/or depth gauge mainte-
nance will increase the chance of kickback
which can result in serious injury.
WARNING: W ear protective gloves
when handling chain. The chain is sharp and
can cut you even when it is not moving.
Conditions which indicate the need for chain
sharpening:
S Reduction insize of woodchips. The size
ofthewoodchipwilldecreaseasthechain
gets duller until it becomes more like a
powder than a chip. Note that dead or
rotted wood will not produce a good chip.
S Saw cuts to one side or at an angle.
S Saw has to be forced through the cut.
Tools required:
S 5/32 inch (4 mm) diameter round file and
file holder
S Flat file
S Depth gauge tool
TO SHARPEN CHAIN:
1. MoveON/STOPswitchtotheSTOP
position.
2. Check chain for proper tension. Adjust
chain tension if necessary. See CHAIN
TENSION section.
3. Sharpen cutters.
S To sharpen the cutters, position the
file holder level (90˚) so that it rests
on the top edges of the cutter and
depth gauge.
NOTE: The chain hasboth leftand
right hand cutters.
Depth Gauge
File
File Holder
Cutter
90˚
S Align t h e30˚ fileholder marks paral-
lelwiththebarandt othecenterofthe
chain.
Cutter
Cutter
30˚
File Holder Line
S Sharpen cutters on one side of the
chain first. File from the inside of each
cutter to the outside. Then, turn the
chain saw around and repeat the pro-
cess for the other side of the chain.
S Fileontheforwardstrokeonly.Use2
or 3 strokes per cutting edge.
S Keep all cutters the same length
when filing.
S File enough to remove any damage
to cutting edges (side plate and top
plate of cutter).
A
ll Cutters
Same Length
Remo
v
e Damage
Top Plate
Side Plate
S File chain to meet the specifications
as shown.
30˚
85˚
60