Basic Troubleshooting - WACKER Group PT 6LT Operator's Manual

Maintenance

5.28 Basic Troubleshooting

Problem / Symptom
Engine does not start.
Engine is hard to start.
Engine starts but pump does
not take in water.
Pump takes in water but little
or no discharge.
Engines stops by itself.
wc_tx000567gb.fm
Reason / Remedy
• Fuel tank empty.
• Wrong type of fuel.
• Old fuel. Drain tank, change fuel filter, and fill with
fresh fuel.
• Fuel system not primed.
• Battery connections loose or corroded. Battery
dead. Electrolyte low.
• Engine oil level low.
• Engine hot.
• Ignition switch defective.
• Throttle solenoid defective.
• Electrical connections loose or broken.
• Engine faulty.
• Dirt or debris inside pump housing blocking move-
ment of impeller.
• Battery charge low.
• Engine faulty.
• Pump housing not filled with water.
• Strainer on suction hose plugged.
• Suction hose damaged. Air leak above water line.
• Air leak at suction port.
• Pump too high above water line.
• Engine speed too low.
• Debris collecting in pump housing.
• Suction strainer partially plugged.
• Impeller worn. Shim insert.
• Discharge hose kinked or blocked.
• Engine speed too low.
• No fuel.
• Engine oil pressure low.
• Engine too hot.
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