Troubleshooting - Echo BEAR CAT SC2170 Owner's Manual

6

TROUBLESHOOTING

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 dealer or the
factory for service problems with the machine.
PROBLEM
Engine will not start.
Engine or rotor stalls or
stops.
Chipper does not chip.
Engine overheats.
Hard to feed chipper;
requires excessive power
to chip.
S h r e d d e r r e q u i r e s
excessive power or stalls.
Engine stalls or belt squeals
when engaging clutch.
Material from chipper wraps
around rotor shaft
Excessive vibration while
running.
Rotor will not turn.
POSSIBLE CAUSES
Improper control settings.
Lack of fuel.
Spark plug disconnected.
Dirty, stale or contaminated gas.
Internal engine problems.
Obstructed discharge.
Plugged rotor.
Feeding material that is too
large.
Dull chipper blades.
Drive belts loose or worn.
Attempting to feed branches that
are too large.
B r o k e n o r m i s s i n g c h i p p e r
blades
Cooling system plugged.
Improper oil level.
Dull chipper blades.
Obstructed discharge.
Improper blade clearance.
Obstructed discharge.
Plugged rotor.
Wet or green material will not
discharge.
Engaging clutch too fast.
Plugged rotor.
Belt tension too loose.
Stringy, green material bypasses
chipper blades.
Dull chipper blades.
Improper blade clearance.
Drive system vibration.
Rotor out of balance.
Chipper blade to anvil clearance
is incorrect.
Drive belt too loose or broken.
Obstructed discharge.
Plugged rotor.
2 INCH CHIPPER/SHREDDER
Use proper settings.
Fill fuel tank.
Connect spark plug.
Refill gas tank with fresh, clean unleaded regular gasoline.
See your dealer.
Use branch or similar object to clear discharge.
Clear rotor. Feed material more evenly.
Reduce size of material.
Rotate or sharpen blades.
Inspect drive belts, adjust or replace if needed.
Limit branch size to 2 inches in diameter.
Replace blade.
Clean cooling fan and fins.
Fill engine to correct oil level. Refer to the engine owners manual.
Reverse or sharpen blades.
Use branch or similar object to clear discharge.
Adjust clearance between chipper anvil and chipper blades.
Use branch or similar object to clear discharge.
Clear rotor, feed material into shredder more evenly.
Alternately feed dry material or install larger discharge screen.
Engage clutch more slowly.
Clear rotor. Feed material more evenly.
Replace belt or spring.
Rotate branch or material when feeding to cut completely.
Sharpen blades.
Adjust clearance between anvil and chipper blades.
Check drive belts and pulleys for bad or worn areas. Check for dull chipper
blades or shredder knives.
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.
Set chipper blade/anvil clearance to recommended distance (1/16" to
1/8").
Replace belt or spring.
Use branch or similar object to clear discharge.
Clear rotor. Feed material more evenly.
REMEDY
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