Shindaiwa 81604 - Manual (Page 9)

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Idle the engine briefly before stopping
(about minutes), then slide the ignition
switch to the “O” (Engine OFF) position.
Stopping the Engine
Adjusting Engine Idle
Figure 14
OFF
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
- minutes until warm.
. If the attachment rotates when the
engine is at idle, reduce the idle speed
by turning the idle adjustment screw
counter-clockwise. See Figure 15.
. If a tachometer is available, the engine idle
speed should be final adjusted to ,000
(±50) rpm (min -1 ).
4. Carburetor fuel mixture adjustments are
preset at factory and cannot be serviced
in the field.
NEVER operate the unit with the cut-
ting attachment shield or other protective
devices removed!
WARNING!
A cutting attachment shield or
other protective device is no guaran-
tee of protection against ricochet. YOU
MUST ALWAYS GUARD AGAINST FLY-
ING DEBRIS!
Use only authorized Shindaiwa parts
and accessories with your Shindaiwa trim-
mer. Do not make modifications to this unit
without written approval from Shindaiwa, Inc.
Checking Unit Condition
ALWAYS make sure the cutting attach-
ment is properly installed and firmly tight-
ened before operation.
NEVER use a cracked or warped cutting at-
tachment: replace it with a serviceable one.
ALWAYS make sure the cutting attach-
ment fits properly into the appropriate
attachment holder. If a properly installed at-
tachment vibrates, replace the attachment
with new one and re-check.
ALWAYS stop the engine immediately and
check for damage if you strike a foreign
object or if the unit becomes tangled. Do
not operate with broken or damaged equip-
ment.
NEVER allow the engine to run at high
RPM without a load. Doing so could dam-
age the engine.
NEVER operate a unit with worn or dam-
aged fasteners or attachment holders.
Figure 15
Idle Adjusting
Screw