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SYMPTOM POSSIBLE CAUSE REMEDIES
Engine won’t start. • Out of gas. • Add gas.
• Spark plug wire disconnected. • Connect spark plug wire.
• Engine controls set wrong. • Check engine controls and
adjust.
• Spark plug fouled. • Remove Spark Plug, clean, and
replace.
• No compression - rope pulls• • See your local dealer.
without resistance.
• No spark - electrical system • See your local dealer.
problem.
Engine runs, but rotor. • Crankshaft key broken or not • Replace crankshaft key.
won’t turn. installed.
Engine runs, rotor turns, but no • Discharge chute clogged. • Clear discharge chute.
material is being discharged. • Engine not running at full RPM. • Adjust throttle to “Fast”.
Excessive branch vibration when • Chipper knives dull. • Sharpen or replace knives.
chipping materials. • Tree limbs and branches are • Material too dried out or hard
extremely hard or dried out. for chipping - use for firewood.
Unusual noise or vibration when • Rotor overloaded with material. • Allow unit to clear itself before
processing material. feeding more material in .
• Non-organic matter caught in • Follow shut-down procedure and
shredding chamber. remove material from unit.
• Chipper knives dull or loose. • Sharpen or tighten knives secure
ly.
• Hammers, broken, bent, or loose. • Check for proper assembly or
replace.
• Hammers frozen on shaft. • Check for obstructions and
remove debris from hammer
pivot areas.
• Crankshaft bent. • See your local dealer for
factory authorized repair.
Vacuum not working. • Hopper lid not in place. • Replace lid on hopper.
• Material too wet. • Allow material to dry.
• Hose not attached properly. • Attach hose per kit instructions.
• Hose obstructed/damaged. • Inspect hose - repair or replace.
• Engine not running at full RPM. • Set throttle to “Fast”. See dealer
if problem continues.
20
Troubleshooting & Repair
WARNING
Never attempt to perform any of these proce-
dures with the engine running. Always turn the
engine off, let the rotor come to a complete stop,
and disconnect the spark plug wire from the
spark plug before attempting to correct any
operating problems.
Failure to comply with this safety requirement
can result in serious personal injury to you or
bystanders.
TROUBLESHOOTING
While normal care and routine maintenance will extend
the life of your chipper/shredder, prolonged or constant
use may eventually require that service be performed to
allow it to continue operating properly. The troubleshoot-
ing guide below lists the most common problems, causes
and remedies.
See the service information on the following pages for
instructions on how to do most of these minor repairs
yourself. If you prefer, all of these procedures can be
performed for you by your local authorized dealer.