Echo 74554 Owners Manual v.4 - Manual (Page 21)

17 5 INCH CHIpper
Section
6
TroublesHooTing
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
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.
drive system vibration.
Check drive belts and pulleys for bad or worn areas. Check for
dull chipper blades or shredder knives.
Rotor out of balance.
Inspect rotor for broken or missing chipper blades and shredder
knives; 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” to 1/8”).
Rotor will not turn.
drive belt too loose or broken. Replace belt or spring.
Obstructed discharge. Use branch or similar object to clear discharge.
Plugged rotor. Clear rotor. Feed material more evenly.
Excessive belt wear.
Not using correct belt.
Contact your nearest authorized dealer to order the correct belt
for your chipper/shredder.
Pulley(s) damaged or worn. Replace pulley(s).
Pulley(s) not in alignment. Align pulley(s) with straight edge.
Belt(s) tension too loose. Replace belt or spring.