Trouble Shooting Guide - Husqvarna WH4817EFQ2, WH5219EFQ Operator's Manual

Husqvarna lawn mower operator's manual
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Trouble Shooting Guide

Problem
The engine will not start.
The starter does not turn the engine over.
The engine runs unevenly.
TROUBLE SHOOTING GUIDE
Cause
The control for engaging the mower deck is
in engaged position.
The motion control levers are not locked in the
neutral position.
Spark plug wires off.
The battery is dead.
Fuse blown.
Contamination in the carburetor or fuel line.
The shut-off valve for the fuel tank
is in the wrong position.
Clogged fuel filter or fuel line.
Fuel tank empty.
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 on page 39.
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 on the fuel cap.
Fuel tank near empty.
Defective spark plugs.
The spark plugs are loose.
Defective ignition cable.
Defective spark plug electrode.
Defective spark plug connection.
55
English-

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