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11
Starting the Engine (continued)
WARNING!
Never start the engine from the oper-
ating position.
WARNING!
The cutting attachment may rotate
when the engine is started!
When the Engine Starts...
n After the engine starts, allow the en-
gine to warm up at idle 2 or 3 minutes
before operating the unit.
n After the engine is warm, pick up the
unit and clip on the shoulder strap. See
page 12.
n Advancing the throttle makes the cut-
ting attachment turn faster; releasing
the throttle permits the attachment to
stop turning. If the cutting attachment
continues to rotate when the engine
returns to idle, carburetor idle speed
should be adjusted (see "Adjusting
Engine Idle" below).
IMPORTANT!
If the engine fails to start after several at-
tempts with the choke in the closed posi-
tion, the engine may be ooded with fuel.
If ooding is suspected, move the choke
lever to the open position and repeatedly
pull the recoil starter to remove excess
fuel and start the engine. If the engine still
fails to start, refer to the troubleshooting
section of this manual.
6. When the engine starts, slowly move the
choke lever to the "OPEN" position. See
Figure 20. (If the engine stops after the
initial start, close the choke and restart.)
Idle the engine briefly before stopping
(about 2 minutes), then slide the ignition
switch to the “O” (Engine OFF) position.
Stopping the Engine
Adjusting Engine Idle
Figure 21
The engine must return to idle speed
whenever the throttle lever is released.
Idle speed is adjustable, and must be set
low enough to permit the engine clutch to
disengage the cutting attachment.
Idle Speed Adjustment
WARNING!
The cutting attachment must NEVER
rotate at engine idle! If the idle speed
cannot be adjusted by the procedure
described here, return the trimmer to
your Shindaiwa dealer for inspection.
1. Place the trimmer on the ground, then
start the engine, and then allow it to idle
2-3 minutes until warm.
2. If the attachment rotates when the
engine is at idle, reduce the idle speed
by turning the idle adjustment screw
counter-clockwise. See Figure 22.
3. If a tachometer is available, the engine idle
speed should be final adjusted to 3,000
(±300) RPM (min
-1
).
4. Carburetor fuel mixture adjustments are
preset at factory and cannot be serviced
in the field.
7. Operating the throttle will automatically
disengage the fast idle setting.
C2510
OFF
Figure 20
Open
Figure 22
Idle Adjusting
Screw