Echo CH4400 Owners Manual v.1 - Manual (Page 26)

4 INCH CHIPPER 22
TROUBLESHOOTING
Shredder requires
excessive power or stalls.
Obstructed discharge. use branch or similar object to clear discharge.
Plugged rotor. Clear rotor, feed material into shredder more evenly.
Wet or green material will not
discharge.
Alternately feed dry material or install larger discharge screen.
Engine stalls or belt
squeals when engaging
clutch.
Engaging clutch too fast. Engage clutch more slowly.
Plugged rotor. Clear rotor. Feed material more evenly.
belt tension too loose. replace belt or spring.
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.
Cannot engage clutch.
Improper belt installation; belt not
under belt guide.
Install belt properly; install belt under belt guide.
Improper belt tension. Adjust belt tension. Replace belt or spring if needed.
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.
Trailer sways during
towing.
Tire air pressure not correct Check tire sidewall for inflation limits.