24 Throttle Valve Body; Adjusting The Idle Speed; Performing The Initialization Run - Husqvarna FC 250 2017 Repair Manual

24 THROTTLE VALVE BODY

24.1
A
24.2
266
Adjusting the idle s�eed
Danger
Exhaust gases are toxic and inhaling them may result in unconsciousness and
Danger of poisoning
death.
-
Always make sure there is sufficient ventilation when running the engine.
-
Use effective exhaust extraction when starting or running the engine in an enclosed space.
Warning
The engine may go out spontaneously if the idle speed is set too low.
Danger of accidents
-
Set the idle speed to the specified value.
•-
F00046-10

Performing the initialization run

-
Run the engine until warm.
✓ The cold start button is deactivated - The cold start but­
ton is in its basic position.
-
Set the idle speed by turning the idle speed adjusting
O.
screw
Guideline
I Idle speed
I Tachometer (45129075000)
Info
•
I
Turning counterclockwise lowers the idle speed.
Turning clockwise raises the idle speed.
Condition
The diagnostics tool is connected and running.
-
Execute
"Engine electronics"> "Functions">
"Clear adaptation values".
✓ The adaptation values are deleted.
-
Select
"Engine electronics" > "Measured values" > "Tem­
perature sensor - coolant {TW1)".
✓ The coolant temperature is displayed during the initializa­
tion run.
I 2,250 ... 2,350 rpm
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