Symptom
Head slows but
tractor does not
Feed roll clutch
kicking in and out
of gear excessively
Not chipping
clean or chip
reflector plugging
Unit won't feed
Part Diagram
Problems
Main drive
belts are slipping
Blades dull
Blades dull
Material jammed
in chute
Blades dull
Cutter bar rounded
Feed roll slides
dirty or dry
Fork in material
too wide
Feed roll gear
box belt loose
Solution
Tighten
Sharpen/reverse
Sharpen/reverse
Release feed roll clutch and remove
material by pulling cut of chute, trim
forks, and feed into chute
Sharpen/reverse
Sharpen reverse
Cutter bar not adjusted
properly-adjust to tolerance level
Chipper head turning too slowly —
check PTO speed at 540 RPM
Clean/lubricate
Remove and trim
Tighten
Feed roll tension springs
stretched-replace