Troubleshooting - Crown WBT36 Operator's Safety And Service

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5.13 Troubleshooting

Problem / Symptom
Trowel does not develop full
speed.
Engine runs; poor trowel
operation.
Engine does not start or runs
erratically.
Trowel handle tends to rotate
when idling.
Reason / Remedy
• Remove deposits built up in engine cylinder and
engine head.
• Engine speed too low. Adjust speed.
• Clean or replace air filter.
• Clean debris from moving parts and trowel blades.
• In cold weather, warm engine in idle 3 or 4 minutes.
• Check throttle lever and cable for proper operation.
• Check belt for wear or damage.
• Check clutch for wear or damage.
• Clean debris from moving parts and trowel arms.
• Check fuel level. Open fuel valve.
• Clean air filter.
• Check/replace spark plug.
• Check in-line fuel filter.
• Check engine oil level.
• Check engine switch handle to stop position.
• Check that throttle is in idle position when starting
machine.
• Check engine idle speed. It may be too high.
• Belt alignment may be off.