17 Troubleshooting
17.1
Troubleshooting Cultivator
Most malfunctions have the same causes.
► Perform the following operations:
► Clean the air filter.
► Clean or replace the spark plug.
► Carry out the standard setting.
► Adjust idle speed.
► Adjust carburetor for operation at high altitude.
► If the malfunction still exists: Take the action described in the following table.
Condition
Cause
Remedy
Engine does not
start.
Insufficient fuel in the
tank.
► Mix fuel and refuel the cultivator.
Engine is flooded.
► Clear the combustion chamber.
Carburetor is too hot. ► Allow cultivator to cool down.
► Before starting the engine: Depress the manual fuel
pump bulb at least ten times.
Carburetor is iced up. ► Allow cultivator to warm up to +10°C.
Engine idles errati‐
cally.
Carburetor is iced up. ► Allow cultivator to warm up to +10°C.
Engine stops while
idling
Carburetor is iced up. ► Allow cultivator to warm up to +10°C.
17.2
Standard Setting
► Shut off the engine.
0000-GXX-2946-A0
H
L
► Turn the high speed screw (H) counterclock‐
wise as far as stop.
► Turn the low speed screw (L) clockwise as far
as stop.
► Turn the low speed screw (L) 3/4 of a turn
counterclockwise.
17.3
Adjusting Idle Speed
► Carry out the standard setting.
► Start the engine.
► Warm up the engine by opening and closing
the throttle for about 1 minute.
0000-GXX-4782-A0
Engine stops while idling
► Turn the idle speed screw (LA) clockwise until
the blades begin to rotate.
► Turn the idle speed screw (LA) one full turn
counterclockwise.
Erratic idling behavior or poor acceleration
► Turn the low speed screw (L) clockwise or
counterclockwise until the engine runs and
accelerates smoothly.
Blades rotate when engine is idling
► Turn the idle speed screw (LA) counterclock‐
wise until the blades stop rotating.
► Turn the idle speed screw (LA) one full turn
counterclockwise.
English
17 Troubleshooting
16
0458-495-0121-B