Maintenance; Maintenance Schedule; To Adjust The Idle Speed - Husqvarna 426LST Manual Del Usuario

Maintenance schedule

Maintenance

Clean the external surface.
Clean the air filter. Replace if it is necessary.
Examine the function of the throttle trigger lock and the throttle.
Examine the stop switch.
Examine the guards.
Examine the trimmer head.
Examine the locknut.
Examine for fuel leaks.
Make sure that the grass blade is aligned with the center, that it is sharp and
does not have damages on the blade or the center hole.
Make sure that the cutting attachment does not rotate at idle speed.
Apply grease to the two-piece shaft.
Examine the starter rope handle and the starter rope.
Examine the bevel gear grease.
Clean the external surface of the spark plug. Remove the spark plug and meas-
ure the electrode gap. Adjust the electrode gap or replace the spark plug.
Clean the cooling system.
Clean or replace the spark arrestor screen on the muffler.
Clean the external surface of the carburetor and the area around it.
Examine the fuel filter for contamination.
Examine the fuel hose for damage.
Examine all cables and connections.
Examine the clutch, the clutch springs and the clutch drum for wear.
Replace the spark plug.

To adjust the idle speed

WARNING: Read the warning instructions in
the safety chapter before you start the
product. Refer to
operation on page 4 ).
WARNING: If the cutting attachment rotates
when the engine is at idle speed the idle
adjustment screw T must be turned
14
Maintenance
Safety instructions for
counterclockwise until the cutting
attachment stops.
1. Make sure that the air filter is clean.
2. Make sure that the air filter cover is in position.
3. Get the idle adjustment screw T.
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1189 - 001 - 08.07.2019
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