Yazoo/Kees ZHDD61271, ZHDD72341 manual Trouble Shooting Guide, Problem

TROUBLE SHOOTING GUIDE

Trouble Shooting Guide

Problem Cause

The engine will not start.

•The control for engaging the mower deck is not depressed.

•The steering controls are not locked in the neutral position.

•The driver is not sitting in the driver’s seat.

•The parking brake is not activated.

•The battery is dead.

•Contamination in the fuel line.

•The fuel supply is closed or the valve for the fuel tanks is in the wrong position.

•Clogged fuel filter or fuel line.

The starter motor does not turn the
engine over.	•	Dead battery.
	• Poor contacts on the battery terminal
		cable connections.
	•	Fuse blown.
	• Ignition system faulty. The engine runs unevenly.
	•	Defective valves.
	• Defective piston, cylinder, piston ring, or
		cylinder head seal.
	• The cylinder head bolts are loose.
	• Clogged fuel filter or jet.
	• Clogged ventilation valve on the fuel cap.
	• Fuel tank nearly empty.
	•	Wrong fuel type.
	• Water in the fuel.
	•	Clogged air filter.
The engine seems weak.	•	Clogged air filter.

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