TROUBLESHOOTING
Remove material from cutting wheel.
Check to determine if the slip clutch is
hot. Use Caution: This Can Be Very Hot!
A hot clutch does NOT grip.
Slippage on the clutch occurs if there is
more power than the unit is rated for. A
bigger tractor can be used if it is idled
down as this will decrease the output
power of the engine.
Take smaller passes (less cutting) to
decrease the strain on the clutch.
Turn the flow control knob to a lower
number to reduce the strain on the slip
clutch.
PROBLEM CHECK SOLUTION
Cutting wheel does not spin. Cutting wheel jammed.
Slip clutch is slipping.
Remove jam from cutting wheel.
Check that driveshaft angle is not too
severe (17° or less).
Rotor stub shaft broken.
Replace stub shaft.
Tractor is not able to lift 3-point. Tractor is too small. Move link pins to the top position
on the stump grinder to add
leverage.
Cutting wheel cannot be lifted high
enough.
Stump too tall. Cut stump shorter.
Shorten top link on 3-point hitch.
Cutting wheel cannot be lowered
far enough.
Top link not correct length. Lengthen top link on 3-point hitch.
Cutting wheel does not have much
power.
Tractor too small.
Verify tractor is properly sized for
grinder.
Slip clutch is slipping.
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TROUBLESHOOTING
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