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20 se c t i O n 8 — tr O u b l e s h O O t i n g
Problem Cause Remedy
Occasional skips
(hesitates) at
high speed
Spark plug gap too close.1.
Carburetor idle mixture adjustment 2.
improperly set.
Remove spark plug and adjust gap to .030”.1.
See authorized service dealer.2.
Excessive Vibration Loose parts or damaged impeller.1. See authorized service dealer.2.
Unit does not discharge Discharge area clogged. 1.
Foreign object lodged in impeller. 2.
Low engine RPM.3.
Vacuum bag is full.4.
Stop engine immediately and disconnect 1.
spark plug wire. Clean flail screen and inside
of discharge opening.
Stop engine and disconnect spark plug wire. 2.
Remove lodged object.
Always run engine at full throttle.3.
Empty bag.4.
Rate of discharge slows
considerably or composition
of discharged material
changes
Low engine RPM.1.
Chipper blade dull.2.
Always run engine at full throttle.1.
Replace chipper blade or see your authorized 2.
service dealer.
Unit fails to propel itself
or slips when drive
control is engaged
Drive control cable out of adjustment. 1.
Drive belt worn or damaged.2.
Follow adjustment procedure in 1.
Maintenance & Adjustments section of
manual.
See authorized service dealer.2.
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