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E. CLUTCH AND DRUM/SPROCKET F. AIR FILTER
2O
_WARNING
Do not start engine without Guide Bar, Chain, and Bar
Clamp Housing completely assembled. The clutch can
come off without the guide bar and chain completely
assembled and serious injury can result. The clutch
shoes and drum can separate causing the clutch to
violently fly apart and serious injury can
result.
• Take the saw to a qualified service dealer for full
clutch inspection and service after each 100 hours
of operation. Itisrecommended thatyou do not tryto
service the clutch or drum/sprocket yourself unless you
are a competent smal! engine mechanic and have the
proper clutch service tools, Proper disassembly and
repair of the clutch isextremely important tothe life.of
the engine and the safety ofthe operator.
• Clutch maintenance is required when:
--the chain continues to turn while engine idles
after the idle speed screw has been adjusted,
slippage occurs during acut.
-- achattering noise occurs during cutting.
• Clean the clutch, drum, sprocket and surrounding
area daily during heavy use ofthe saw.Check to see
that the clutch drum turns freely and smoothly.
• Inspect the sprocket regularly for wear. A worn
, sprocket wilt make the chain run erratically and will
shorten the life ofthe bar and chain. Figure 41.
• Always have a worn sprocket replaced, by a
qualifed service dealer whenever a new chain is
installed in order to gain the full life expectancy
of the chain.
WEAR
Figure 41
STORAGE
• A dirty air filter:
-- reduces cutting power
-- increases fuel consumption
• Clean the air filter:
-- frequently, especiallyin verydustyconditions.
-. always after 10 tanks of fuel mixture or 5 hours
of operation, whichever is less.
• Replace the air filter if any damage occurs to it.
ICAUTION:J Never operate the unit without the
air filter in place to avoid damage to the engine.
Items Required: soft bristled brush, such as a paint
brush,
1_ Clean off the carbu retor cover and the area around it.
2. Pull choke to the full position (Figure 13)to prevent dirt
from entering the carburetor.
3. Remove the carburetor cover.
4, Remove the air filter carefully, Figure 42.
5. Remove singletop screwand separate the two halves.
6, Brush away alldust and debris from the filter
ICAUTION:] Do not use gasoline or other flam-
mable liquid to clean the filter to avoid creating
a fire hazard.
7 Soak filter insoap and water,
8 Allowfilter todry.
9. Reassemble filter.
10. Brush away alldebris from surfaces on which the
filter is to be placed.
11. Replace the filter and carburetor cover,
AIF FILTER
Figure 42
I1[[11 IIIIIIII [[11111
When your saw is to be stored for over 30 days al-
ways:
1. Drain fuel tank in a safe manner. See "Fueling Your
Engine:'
2 Start engine and allowto run at idle speed until the
engine stops.
NOTE: This will remove most of the fuel from the
fuel system,
,
4.
5,
.
7,
Drain oil tank.
Remove clean, and dry the bar and chain.
Store the chain in a container filled with oil to pre-
vent rust.
Apply a coating of oil to the entire surface of the bar
and wrap it inheavy paper, cloth or plastic.
Clean the outside surfaces of the engine,
[CAUTION:] Wear protective gloves when han-
dling the chain. The chain is sharp and can cut
you even when itis not moving.
8. Storethesaw in adry place outofthereach ofchildren
andaway from wherefuel vaporscan reach sparksor
open flames from hot water heaters, furnaces, etc,