TROUBLESHOOTING
24
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Remedy
Problem
Cause
The belt frays or rolls
over the pulley
When chipping,
branch seems to
vibrate and move
about excessively with
unusual noise
Chipper Knives are
hitting the wear plate
The machine's wheels
track left or right
while being towed
Low tire pressure
The gap between the knives and wear
plate is set incorrectly
Add air to tires
Adjust the gap
1.Sharpen or replace knives
2. Loosen the knife mounting screws, reset
the knives and tighten the screws
3. Adjust the gap
4. Allow unit to clear itself before adding
more material to the hopper
1. Check drive belts for wear and hard
spots. File off any nicks on the pulley
2. Replace drive belts
3. Adjust pulleys
1. Rotor drive pulley groove may be
nicked
2. Drive belts may be stretched
3. Pulleys may be misaligned
1. Knives are dull or damaged
2. Knives are not properly seated on
the cutting disk
3. The gap between the knives and
wear plate is too large
4. Rotor is overloaded with material
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