Echo CH8670H Owners Manual v.4 - Manual (Page 28)

24 8 INCH TURNTABLE CHIPPER
section
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 nearest dealer
or the factory for service problems with the machine.
TRoubLEShooTING
6
pRobLEm poSSIbLE cauSES REmEdY
Engine will not start.
improper control settings. use proper settings.
lack of fuel. Fill fuel tank.
spark plug disconnected. Connect spark plug.
Dirty, stale or contaminated gas. Refill gas tank with fresh, clean unleaded regular gasoline.
internal engine problems. See your dealer.
Engine or 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.
Engine overheats.
Cooling system plugged. Clean cooling fan and fins.
improper oil level. Fill engine to correct oil level. Refer to the engine owners manual.
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.
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.