WARNING:
could result in serious engine damage or in se-
rious injury.
WARNING:
plug before performing maintenance, except
for carburetor adjustments.
We recommend all service and adjustments
not listed in this manual be performed by an Au-
thorized Service Dealer.
MAINTENANCE SCHEDULE
Check:
Fuel mixture level
Bar lubrication
. . . . . . .
Chain tension
. . . . . . .
Chain sharpness
. . . . .
For damaged parts
For loose caps
. . . . . .
For loose fasteners
For loose parts
. . . . . .
Inspect and Clean:
Bar
. . . . . . . . . . . . . . . .
Complete saw
. . . . . . .
Air filter
. . . . . . . . . . . . .
Chain brake
. . . . . . . . .
Spark arresting screen
and muffler
. . . . . . . . . .
Replace spark plug
Replace fuel filter
* Hours of Operation
CHAIN BRAKE
WARNING:
too thin it may break when the chain brake is
triggered. With a broken brake band, the chain
brake will not stop the chain. The chain brake
should be replaced by an authorized service
dealer if any part is worn to less than 0,02 (0,5
mm) thick. Repairs on a chain brake should be
made by an authorized service dealer. Take
your unit to the place of purchase if purchased
from a servicing dealer, or to the nearest autho-
rized master service dealer.
BRAKING FUNCTION CON-
TROL
CAUTION:
The chain brake must be
checked several times daily. The engine must
be running when performing this procedure.
This is the only instance when the saw should
be placed on the ground with the engine run-
ning.
Place the saw on firm ground. Grip the rear han-
dle with your right hand and the front handle
with your left hand. Apply full throttle by fully
depressing the throttle trigger. Activate the
chain brake by turning your left wrist against the
hand guard without releasing your grip around
the front handle. The chain should stop imme-
diately.
AIR FILTER
CAUTION
: Do not clean filter in gasoline
or other flammable solvent to avoid creating a
SERVICE AND ADJUSTMENTS
Improper maintenance
Disconnect the spark
. . . .
Before each use
Before each use
Before each use
Before each use
. . .
Before each use
Before each use
. . .
Before each use
Before each use
Before each use
After each use
Every 5 hours*
Every 5 hours*
Every 25 hours*
. . .
Yearly
. . . .
Yearly
If the brake band is worn
fire hazard or producing harmful evaporative
emissions.
Cleaning the air filter:
A dirty air filter decreases engine performance
and increases fuel consumption and harmful
emissions. Always clean after every 5 hours of
operation.
1. Clean the cover and the area around it to
keep dirt and sawdust from falling into the
carburetor chamber when the cover is re-
moved.
2. Remove the parts as illustrated.
3. Wash the filter in soap and water. Rinse in
clean cool water. Air dry completely before
reinstalling.
4. Reinstall parts.
Air Filter
Cover
Air Filter
BAR MAINTENANCE
If your saw cuts to one side, has to be forced
through the cut, or been run with an improper
amount of bar lubrication it may be necessary
to service your bar. A worn bar will damage
your 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:
S Move ON/STOP switch to the STOP posi-
tion.
S Loosen and remove bar nuts and chain
brake. Remove bar and chain from saw.
S Clean the oil holes and bar groove after each
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 When rail top is uneven, use a flat file to re-
store square edges and sides.
Cylinder
Cover