Poulan PZ4822 User Manual - Page 57
Trouble Shooting Guide
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TROUBLE SHOOTING GUIDE Trouble Shooting Guide Problem Cause The engine will not start. • The blade switch is engaged. • 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 carburetor or fuel line. • The fuel supply is closed or the tap 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. • Fault in the starter motor safety circuit. See Checking the Safety System in the Maintenance section. The engine runs rough. • Faulty carburetor. • The choke control is pulled out with a warm engine. • 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. • Defective spark plug. • The spark plug is loose. • Defective ignition cable. • Defective spark plug electrode. • Defective spark plug connection. • Rich fuel mixture or fuel-air mixture. English-56