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4, IDLE SPEED ADJUSTMENT--II
a. Allow engine to idle.
b. Adjust if the chain is turning by turning the
IdleSpeed Screw counterclockwise _ .
c. Squeeze the throttlei:trigger; The saw
should accelerate without hesitating.
NOTE: tt may be necessary to recheck the
low speed mixture setting after the idle
speed has been reduced by repeating "Low
Speed Mixture Adjustment" as in step 3
above.
5. HIGH SPEED MIXTURE ADJUSTMENT
a. Make a test cut.
b, Adjust if the saw smokes or seems to have
tow power in the test cut by turning the
High Speed Mixture Screw t116th of a turn
clockwise
c. Repeat test cut.
d. Repeat adjustment until the saw runs
ICAUTION:lNever set the High Speed Mixture
Screw less than 7/8 turn open.This is too lean
a setting and will ruin yourengine.
S=
IDLE SPEED ADJUSTMENT--Ill
Recheck for proper idle mixture setting.
NOTE:, It may be necessary _to repeat Idle
Speed Adjustment-I and Low Speed Mixture.
Adjustment. _
7. CHECK ACCELERATION
Adjust if there is a Slight hesitation, by turn-
ing the Low Speed Mixture Screw 1f16 of a
turn at a time counterclockwise _ un-
til you have smooth acceleration.
. NOTE: Check to besure the chain is not turn-
ing when engine is idling. If chain.moves at
F. AIR FILTER
e
e
A dirty air filter:.
--reduces cutting power
--increases fuel consumption
Clean the Air Filter:.
--frequently, especially under very dusty
conditions.
--always after 10 tanks of fuel mixture or 5-
hours of operation whichever is less.'
FILTER
Figure 57 . .Li ¸-
GJ
ICAUTION:tNever operate the unit without the
air filter in place to avoid enginedamage.
Items Required: soft bristled brush, such as a
.... paint brush.
I. Clean off the carburetor cover and the area
around it.
2. Close choke to prevent dirt from enterfng the
carburetor. .-
3. Remove the carburetor cover. Figure 57.
4. Remove the air filter carefutfy.
5. Soak the filter in soap and water.
tCAUTION:IDo not use gasoline or other flam-
mable liquid to clean the filter to avoid creating
a fire hazard.
6. Brush away all dust and debris from the filter.
7. Allow filter to dry.
8. Brush away all debris from surfaces which
. were covered by the carburetor cover.
.....9; Replace filter and carburetor cover.
COUNTER-VIBE ®VIBRATION SYSTEM
This saw is equipped with a counter vibration
system consisting of 5 isolator mounts. Figure
58. The Isolator Mounts protect the user from
engine, bar, and chain vibration similar to the
way shock absorbers ona car protect from jolts
and bumps in the road. _ . _ ....
1. Check isolators each time the sawis used;
2. Replace isolators when:
--vibration increases
--mounts develop an out of round or
swollen shape usually caused, from
exposure togasoline and oili_for Jong
COUNTER-VIBE""MOUNTS
/: 'i
Figure 58
.....: periods of:time. . -• .
3. Replace all five isolators when a failure:toone .....
..... :occurs. . .... _
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