Manual

4. Cleanthesparkarrestingscreengently
w_thawirebrush.Replacescreenif
breaksarefound.
5. Replaceanybrokenorcrackedmuffler
parts
6. ReinstalIsparkarres_ngscreen,exhaust
oufietcover,andnut.Tightennutsecurely.
REPLACE SPARK PLUG
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better. _gnition timing is fixed and non-
adjustab}e.
1. Loosen 3 screws on cylinder cover
2. Remove the cylinder cover
3. Pull off the spark plug boot.
4. Remove spark plug from cylinder and
discard.
5. Replace with Champion RCJ-7Y spark
plug and tighten securely with a 3/4 inch
(19 ram) socket wrench. Spark plug gap
should be 0.025 inch (0,6 ram).
6. Reinstal}the spark plug boot.
7. Reinstall the cyJinder cover and 3
screws. Tighten securely.
Cylinder
Cover
Spark
Plug Boot
Spark
Plug
• Reduction in size of wood chips The size
of the wood chip will decrease as the chain
gets du_ler untit it becomes more like a
powder than a chip. Note that dead or
rotted wood will not produce a good chip.
• Saw cuts to one side or at an angle.
• Saw has to be forced through tile cut.
Tool8 required:
• 5/32 inch (4 ram) diameter round file and
file holder
• Flat file
• Depth gauge tool
TO SHARPEN CHAIN:
1. Move ON/STOP switch to the STOP
position.
2 Check chain for proper tension. Adjust
chain tension if necessary See CHAIN
TENSION section.
3. Sharpen cutters.
• To sharpen the cutters, position the
file holder Ievel (90 °) so that it rests
on the top edges of the cutter and
depth gauge.
NOTE: The chain has both left and
right hand cutters
Pile File,
Cutte__
Depth Gauge r
• Align the 30 ° file holder marks paral-
leIwith the bar and to the center of the
chain.
k_ Cutter
REPLACE FUEL FILTER
To replace fuel filter, drain your unit by run-
ning it dry of fuel. Remove fuel cap and its
connected retainer from tank PulI filter from
tank and remove from line. Replace and re-
assemble.
CHAIN ADJUSTMENT
See CHAIN TENSION in ASSEMBLY sec-
tion.
CHAIN SHARPENING
WARNING: Improperchainsharpen-
ing techniques and/or depth gauge mainte-
nance will increase the chance of kickback
which can result in serious injury.
_II, WARNING: Wear 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:
File Holder Line
• 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.
• File on the forward stroke only. Use 2
or 3 strokes per cutting edge.
• Keep all cutters the same length
when filing.
• File enough to remove any damage
to cutting edges (side plate and top
plate of cutter)
Alt Cutters Remove Damage
Same Length
Side Plate
• File chain to meet the specifications
aS shown.
16