Maintenance, Carburetor | Husqvarna 124C manual

STARTING AND STOPPING

Warm engine

With a warm engine, squeeze and hold the throttle trigger. Pull starter rope sharply while squeezing throttle trigger until engine runs.

Stopping

Stop the engine by pushing and holding the stop switch in the STOP position until the engine stops.

WARNING: When the engine is started with the choke in the closed position the cutting attachment will start to rotate immediately.

MAINTENANCE

The owner is responsible for the perfor- mance of all required maintenance as defined in the operator’s manual.

WARNING: Improper mainte- nance could result in serious engine damage or in serious injury.

Carburetor

Your Husqvarna product has been designed and manufactured to specifications that re- duce harmful emissions. After the engine has used 8--10 tanks of fuel, the engine will be run--in. To ensure that it continues to run at peak performance and to minimize harm- ful exhaust emissions after the run--in peri- od, ask your servicing dealer to adjust your carburetor.

WARNING: The complete clutch, clutch cover, and shaft must be fitted before the machine is started, otherwise parts could come loose and cause personal injury.

Function

SThe carburetor governs the engine’s speed via the throttle control. Air and fuel

are mixed in the carburetor.

SThe T--screw regulates the throttle setting at idle speed. If the T--screw is turned clockwise this gives a higher idle speed; turning it counterclockwise gives a lower idle speed.

Basic setting

SThe basic carburetor settings are ad- justed during testing at the factory. Fine adjustment should be carried out by a skilled technician.

WARNING: The cutting attach- ment may be spinning during carbu- retor adjustments. Wear your protec- tive equipment and observe all safe- ty instructions. Be sure the cutting attachment stops turning when the engine idles. When the unit is turned off, make sure the cutting attach- ments has stopped before the unit is set down.

CAUTION! If the cutting attachment rotates when the engine is idling the idle adjustment screw T should be turned counterclockwise until the cutting attachment stops.

Rec. idle speed:

See “Technical data” section.

Recommended max. speed:

See “Technical data” section.

Fine adjustment of the idle speed-T

Adjust the idle speed using the idle adjust- ment screw--T if it is necessary to readjust. First, turn the idle adjustment screw--T clockwise until the cutting attachment starts to rotate. Then, turn the screw counterc- lockwise until the cutting attachment stops. The idle speed is correctly adjusted when the engine will run smoothly in every posi- tion. The idle speed should also be well below the speed at which the cutting at- tachment starts to rotate.

Idle Speed

Screw--T