Yazoo/Kees ZMKW48172 - Manual (Page 48)

English - 48
TROUBLE SHOOTING
problem Cause
The engine will not start. Blade switch is engaged. •
Steering controls are not locked in the neutral position. •
Driver is not sitting in the driver’s seat. •
Parking brake is not activated. •
Battery is dead. •
Contamination in the carburetor or fuel line. •
Fuel supply is closed or the shut-off valve for the fuel tank is •
in the wrong position.
Clogged fuel filter or fuel line. •
The starter does not turn the engine over. Dead battery. •
Poor contacts on the battery terminal cable connections. •
Fuse blown. •
Ignition system faulty. •
Fault in the starter safety circuit. •
See Checking the Safety System in the
“Maintenance” section
The engine runs rough. Faulty carburetor. •
Choke control is pulled out with a warm engine. •
Defective valves. •
Defective piston, cylinder, piston ring, or cylinder head seal. •
Cylinder head bolts are loose. •
Clogged fuel filter or jet. •
Clogged ventilation valve on the fuel cap. •
Fuel tank nearly empty. •
Fouled spark plug. •
Spark plug is loose. •
Defective ignition cable. •
Defective spark plug electrode. •
Defective spark plug connection. •
Rich fuel mixture or fuel-air mixture. •
Wrong fuel type. •
Water in the fuel. •
Clogged air filter. •
Air trapped in hydraulic system. •
The engine seems weak. Clogged air filter. •
Defective spark plugs. •
Carburetor incorrectly adjusted. •
The engine seems weak. Clogged air filter. •
Fouled spark plugs. •
Carburetor incorrectly adjusted. •
Battery not charging. Poor contact with battery terminal cable connectors. •