22
TROUBLESHOOTING
Problem
Cause
Remedy
Idles poorly
1. Spark plug fouled, faulty, or gap too wide.
2. Dirty air cleaner.
1. Reset gap or replace spark plug.
2. Refer to Air Cleaner in Engine Maintenance section.
Excessive vibration
1. Loose parts or damaged impeller.
1. Stop engine immediately and disconnect spark plug wire. Call
Craftsman at 1-888-331-4569 for inspection and repair
Unit does not discharge
1. Discharge area clogged.
2. Foreign object lodged in impeller.
3. Low engine RPM.
4. Vacuum bag is full.
1. Stop engine immediately and disconnect spark plug wire. Clean
flail screen and inside of discharge opening.
2. Stop engine and disconnect spark plug wire. Remove lodged
object.
3. Always run engine at full throttle.
4. Empty bag.
Rate of discharge slows
considerably or composition of
discharged material changes.
1. Low engine RPM.
2. Chipper blade dull.
1. Always run engine at full throttle.
2. Refer to Sharpening or Replacing Chipper Blade section, or call
Craftsman at 1-888-331-4569 for chipper blade service.
