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4090 Woodchipper
Owners Manual
Operating Instructions
27
4.2
Operation
Once the before operation inspection has been completed, operation
can begin.
1. Double check that all the required PPE is being worn. Safety
glasses / face shield, ear hand, and foot protection are all
required when operating this 4090 woodchipper.
2. The engine can be started. Place the throttle in the Choke/Start
position (Verify that the throttle lever is pulled all the way to the
choke/start position. The engine will not start if the level is not
pulled far enough). Then pull the recoil start on the top of the
motor. Several pulls may be required to get the engine to start.
3. Once the engine has started, move the throttle position to the idle
location and allow the engine and chipper to warm up for 1-2
mins. It is okay if the woodchipper rotor turns slowly as the engine
warms up.
4. After the engine is warm, the throttle can be moved from the idle
position to the full throttle position. It is very important that the
4090 woodchipper be run a full throttle all the time. This
woodchipper needs full RPM’s for the clutch to engage and for
the rotor to build inertia to assist in chipping large branches.
5. The engine will take 10-15 seconds to achieve full RPM. Once full
RPMs have been achieved chipping can begin.
6. Start chipping with small branches first. If any abnormal noises
are heard, immediately shut down the woodchipper by pressing
the emergency stop.
7. If the woodchipper is chipping the branches quickly and easily,
chipping can continue with large branches.
8. When chipping larger branches be aware of engine and rotor
RPM. If a large hardwood branch is being loaded, be aware that
the chipper may slow down and ultimately stop. If the chipper
stops under engine load, it could damage the belt.