Wacker Neuson BS 70-2, Operator'S Manual, Page: 38 / 50

Basic Troubleshooting BS 60-2 / BS 70-2
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6 Basic Troubleshooting
Problem / Symptom Reason / Remedy
Engine does not start, or
stalls.
• No fuel in tank.
• Spark plug fouled.
Engine does not accelerate, is
hard to start, or runs errati-
cally.
• Improper fuel mix. Too much oil.
• Spark plug fouled.
• Clean muffler and exhaust port.
• Crankshaft seals are leaking.
• Check air cleaner.
Engine overheats. • Improper fuel mix. Not enough oil.
• Clean cooling fins and fan blades.
Engine runs, rammer does not
tamp.
• Inspect clutch for damage. Replace if necessary.
• Broken connecting rod or crankgear.
• Low engine performance. Compression loss.
Plugged exhaust port.
Engine runs, rammer opera-
tion is erratic.
• Oil/grease on clutch.
• Broken/worn springs.
• Soil buildup on ramming shoe.
• Broken parts in ramming system or crankcase.
• Engine operating speed is too high.