Echo CH9540H Owners Manual v.4 - Manual (Page 24)

PTO CHIPPERS 20
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.
chipper does not chip.
dull chipper blades. Rotate or sharpen blades.
drive belts loose or worn. Inspect drive belts, adjust or replace if needed.
Attempting to feed branches
that are too large.
limit branch size to x 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.
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.
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.