Use And Care Manual

32 Owner’s Manual for Chipper/Shredder
Maintenance and Troubleshooting
Engine runs, but flywheel
doesn’t rotate
Verify throttle lever is in FAST position to engage clutch.
Verify drive belt is correctly installed, undamaged, and correctly tensioned.
Inspect for debris in chipper/shredder hopper inlets and discharge chute. Clean as
necessary.
Inspect inner shoes of clutch and clutch shoe retaining springs for wear or damage.
Replace clutch if damaged.
Slow chipping or shred-
ding, or flywheel is stalling
Engine speed too slow. Inspect belt for slippage.
Inspect drive belt for damage and tightness; tighten or replace.
Inspect chipper knife for damage and sharpness; sharpen or replace.
Inspect shredder screen for debris; remove debris.
Drive belt frays or falls off
frequently
Inspect drive pulley and clutch groove for damage or nicks. Inspect drive belt for wear
and hard spots. Remove any nicks on drive pulley or clutch groove.
Drive belt is stretched; inspect belt alignment and adjust or replace.
Clutch overheats; belt
burns; flywheel won’t turn
Stop engine and remove spark plug wire.
Verify flywheel turns freely.
Check drive belt tension.
Remove any debris from chipper/shredder hopper inlets and discharge chute.
Machine has excessive
vibration
Inspect chipper knife for dullness or damage; sharpen or replace chipper knife.
Inspect rotor assembly for missing or broken hammers or spacers; replace if neces-
sary.
Chipper knife not seated properly on flywheel. Verify chipper knife wear plate gap.
Contact an IASD if problem persists.
Material vibrates exces-
sively when chipping
Sharpen or replace chipper knife.
Adjust chipper knife wear plate gap.
Chipper knife is hitting
wear plate
Adjust chipper knife wear plate gap.
Machine’s wheels track
left or right during trans-
port
Verify tire pressure is correct.
Symptom Possible Cause