Yazoo/Kees ZVKW52253, ZVKH61303, ZVKH72303, ZVKH61273 manual Trouble Shooting Guide, Wrong fuel type

TROUBLE SHOOTING GUIDE

	•	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, or not at all.

•Parking brake on.

•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.

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