Shindaiwa 502s - Manual (Page 11)

11
Idle Adjust (Clockwise
to Increase)
Adjusting Engine Idle
Idle Speed Adjustment:
Use a screwdriver to slowly turn the idle
speed adjusting screw clockwise or coun-
ter-clockwise until the engine idles at
2,800 min -1 .
CAUTION!
Never run the engine at full throt-
■
tle with no-load. This may cause
engine seizure.
Never operate this saw above
■
13,500 min -1 . This may cause
engine seizure.
NOTE:
Low speed mixture and high speed mix-
ture for this chainsaw are factory set and
can not be adjusted in the field.
WARNING!
The saw chain must never
rotate at engine idle speed.
Move the “ON-OFF” ignition control 1.
switch to the off position. If the saw has
just been used, allow the engine to idle
for 1 to 2 minutes to stabilize engine
operating temperature before stopping
the engine.
Stopping the Engine
With the spark plug removed, the 5.
choke control pushed in and the igni-
tion control in the “OFF” position, clear
any excess fuel in the engine by repeat-
edly pulling the starter until no evi-
dence of fuel is seen escaping from the
spark plug opening.
Starting a Flooded Engine
Pull the engine over
WARNING!
The ignition switch must be
in the “OFF” position to prevent the
chance of igniting fuel and/or fuel
vapors escaping from the engine
during this procedure.
Remove the Spark
Plug
If the carburetor choke is closed (choke
control fully extended) and after repeated
attempts, the engine fails to start, the
engine may be flooded with fuel. The fol-
lowing steps are recommended to clear a
flooded engine.
Move the “ON-OFF” ignition control 1.
switch to the “OFF” position.
Push the choke control completely in 2.
to open the choke.
Remove the spark plug access cover
3.
and disconnect the plug wire. Remove
the spark plug.
WARNING!
Keep clear of the spark
plug opening! Any excess fuel in the
engine will be ejected through the
spark plug opening during starter
operation.
Inspect the spark plug for damage or 4.
excessive wear and replace if neces-
sary. If the spark plug electrode is fuel
soaked, or coated with carbon depos-
its, clean and set the plug gap. Refer
to the Specifications section for spark
plug information.
Replace the spark plug and install the 6.
spark plug lead and access cover.
Refer to the Engine Start and Stop sec-
7.
tion and follow the instructions for
starting a warm engine.
If the engine still fails to start, refer to
8.
the Troubleshooting section.