24 Throttle Valve Body; Adjusting The Idle Speed; Performing The Initialization Run - Husqvarna FS 450 2018 Repair Manual

24 THROTTLE VALVE BODY

24.2
278
Adjusting the idle s�eed
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.

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.
Danger
Danger of poisoning
inhaling them may result in unconsciousness and
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.
-
Set the idle speed by turning the idle speed adjusting
O.
screw
Guideline
I Idle speed
I Tachometer (45129075000)
Info
Turning counterclockwise lowers the idle speed.
Turning clockwise raises the idle speed.
Condition
The diagnostic 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.
Exhaust gases are toxic and
I 2,250 ... 2,350 rpm
(IUI p. 306)
..