Yazoo/Kees ZVKH72303 用户手册

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62

• Wrong fuel type.

• Water in the fuel.

• Clogged air filter.

The engine seems weak.

• Clogged air filter.

• Defective spark plugs.

• Carburetor incorrectly adjusted.

The engine overheats.

• Clogged air intake or cooling fins.

• Engine overloaded.

• Poor ventilation around engine.

• Defective engine speed regulator.

• Soot in the combustion chamber.

• Too little or no oil in the engine.

• Defective spark plugs.

• Pre-ignition incorrect.

Battery not charging.

• Poor contact with battery terminal

cable connectors.

The machine moves slowly, unevenly,

• Parking brake on.

or not at all.

• Bypass valve on pump open.

• Drive belt for the pump slack or

has come off.

• Defective hydraulic system.

• Air in the hydraulic system.

Mower deck not engaging.

• Drive belt for the mower deck has come loose.

• Contact for the electromagnetic coupling 

has loosened.

• The blade switch is faulty or has come loose

from the cable contact.

• The fuse has blown.