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4090 Woodchipper
Operating Instructions
Owners Manual
32
5. The woodchipper belt is smoking / slipping.
Verify that the woodchipper is not jammed. If the woodchipper rotor is
spinning during operation, but the belt is still smoking / slipping when
operating, the belt needs to be replaced. The belt on this chipper will
wear over time and must be replaced. This can be done by first
ensuring the emergency stop is in the off (down) position and the
engine control is in the stop position. Then remove the belt guard (4
bolts). Then the belt can simply be removed by grabbing the belt
pulling down and slowly rotating the pulley. This will cause the belt to
ride off the pulley in a downward motion. Once the belt has been
removed it can be inspected. If the belt is thin or has heavy wear
marks it must be replaced. To install a new belt (A50 Kevlar belt),
simply place the belt on the clutch (engine) side pulley. Then place
the other end of the belt on the rotor pulley side and rotate the belt /
pulley slowly. This will cause the new belt to track on the pulley. Once
the belt is on the pulley and is tracking properly, the belt guard must
be replaced. Operation can then resume.
6. The woodchipper slows / bogs down when large branches are
being chipped.
This is normal for large branches in the 3.5” – 4” range. If a large
branch is to be chipped. It is important that the operator be ready to
pull back the branch once the chipper RPM’s slow to below 50%
RPM. Once the large branch has been inserted, the chipping blade
will grab the branch to self-feed. Due to the branches size and
strength, the woodchipper will lose rotor inertia and will start to slow
down. As the rotor slows down, the operator must pull the large
branch back to allow the woodchipper to recover RPM’s. It is
important that the operator NOT attempt to put his/her hands in the
infeed chute to pull back large branches. Once the large branch has
passed the infeed chute rim, the branch must be left alone.