Echo CH450H Owners Manual v.1 - Manual (Page 17)

13 4.5 INCH HYDRAULIC CHIPPER
Section
trouBleshootinG
6
Before performing any of the corrections in this troubleshooting chart, refer to the appropriate information contained in
this manual for the correct safety precautions and operating or maintenance procedures. Contact your dealer or the
factory for service problems with the machine
proBlem possiBle causes remedy
Rotor stalls or stops.
obstructed discharge. Use branch or similar object to clear discharge.
Plugged rotor. Clear rotor. Feed material more evenly.
Feeding material that is too large. Reduce size of material being fed into chipper.
Chipper does not chip.
dull chipper blades. Rotate or sharpen blades.
attempting to feed branches that are too
large.
limit branch size to 4.5 inches in diameter.
Broken or missing chipper blades Replace blade.
hard to feed chipper; requires
excessive
power to chip.
dull chipper blades. Reverse or sharpen blades.
obstructed discharge. Use branch or similar object to clear discharge.
improper blade clearance.
Adjust clearance between chipper anvil and
chipper blades.
Material from chipper wraps
around rotor shaft
Stringy, green material bypasses chipper
blades.
Rotate branch or material when feeding to cut
completely.
dull chipper blades. Sharpen blades.
improper blade clearance.
Adjust clearance between anvil and chipper
blades.
excessive vibration while
running.
Rotor out of balance.
inspect rotor for broken or missing chipper blades;
replace if needed. Check rotor to see if it wobbles.
Check to see if rotor is assembled correctly.
Chipper blade to anvil clearance is
incorrect.
Set chipper blade/anvil clearance to recommended
distance (1/16”).
Rotor will not turn.
obstructed discharge. Use branch or similar object to clear discharge.
Plugged rotor. Clear rotor. Feed material more evenly.
Chipper does not seat properly
on the utility loader
Wedges are not fully extended Retract wedges.
Mud, dirt or stones are lodged between the
chipper and the utility loader.
Remove debris from between the chipper and the
utility loader.