Generac GC3000C Manuel De L'utilisateur page 26

Troubleshooting
Symptom
Engine smokes
(Refer to Engine Owner's
Manual for engine-specific
procedures)
Shredding and chipping
action seems too slow
Machine has excessive
vibration
When chipping, the
branch seems to vibrate
excessively and
"hammers" my hands.
Debris builds up in cutting
chamber
22
Possible Cause
Check the oil level and adjust as needed.
Verify machine is level.
Air filter dirty. Change air filter following the procedure in the Engine Owner's Manual.
Oil too light for the temperature. Refer to your Engine Owner's Manual for detailed
information.
Verify cooling fins are clean and free of debris. Clean as needed.
Contact an IASD if problem persists.
Knife dull or damaged. Sharpen or replace knife.
Knife dull or damaged. Sharpen or replace knife
Hammermill is out of balance. Check for any missing or broken hammers or spacers.
Replace hammers or spacers if necessary.
Knife not seated properly. Loosen knife mounting screws, reset the knife, and tighten
the screws.
Contact an IASD if problem persists.
Knife is dull. Sharpen or replace.
Alternate shredding dry material with wet/green material.
Shred a wood stick of up to 1 in (2.54 cm) diameter to clean out the build-up.
Owner's Manual for Chipper/Shredder