Husqvarna CT20 用户手册

TROUBLE SHOOTING CHART

23

MS−3615MA

TROUBLE

CAUSE

CORRECTION

Engine difficult to start

or

Engine runs erratically

or

Engine will not run at full
speed

Stale fuel mixture

Drain fuel tank. Fill with fresh

fuel mixture.

Too much oil in fuel mixture

Check fuel mixture chart and

mix fresh fuel.

Dirt in fuel tank or out of fuel

Clean fuel tank.

Carburetor out of adjustment

See Carburetor Adjustment

section.

Fouled spark plug

Clean and set spark plug

gap.

Dirty air filter

Clean and oil air filter.

Engine speed does not

increase properly

Debris interfering with throttle

linkage

Clean dirt and debris off top

of carburetor.

Engine smokes

excessively

Plugged air filter

Too much oil in fuel mixture

Clean and oil air filter.

Check fuel mix chart and mix

fresh fuel.

Tines continue to rotate

when throttle control is

released

Carburetor out of adjustment

Adjust carburetor idle speed.

See “How To Adjust The

Carburetor” in the

Maintenance section.

Tines will not turn

Debris lodged in tine

Remove debris. See “How

To Clean The Tines” in the

Maintenance section.

Unit does not till properly

Incorrect tine installation

Check the tines for proper

installation. See “How To

Remove And Install The

Tines” in the Service And

Adjustments section.