76347-281 • 12-08 3.21
Function
Feed wheels: Feeds brush at a steady rate into the chipper drum.
Chipper Drum: Reduces brush, limbs, and logs into chip size material.
Chipping Flow Path:
1. Brush enters the infeed.
2. The teeth of the feed wheel grab the brush and pull the brush into
the chipper drum at a steady rate.
3. The chipper drum cuts against the anvil.
4. The two knife pockets accumulate the chips.
5. The rotation of the drum and the air impeller system (this system
helps blow chips up into the discharge chute) provides steady air flow
to carry the chips up into the discharge chute.
Movement or placement of any part of the body in
contact with the feed wheels and chipper drum will result
in mutilation, serious injury, or death. Keep all parts of the
body (hands, feet, head) outside of the yoke.
Opening the chipper hood while the chipper drum is
moving will result in serious injury or death. Do not open
the chipper hood when the chipper drum is moving. Turn
off the engine and lock the hood before servicing.
Always wear leather gloves and protective
clothing when changing or servicing the chipper
knife and anvil. Serious injury could occur.
Use
The feed wheels operate in two directions, forward and reverse. The safety
control bar and the emergency cables located on the infeed control the
direction of the feed wheels. (See Infeed Section.)
When the chipper drum is moving the chipper hood MUST be closed and
locked in place using the hood locking pin. To insure that the chipper hood
is locked, the machine is equipped with a hood safety switch. The switch
will not allow the machine to start with the hood open or the pin pulled.
Safety
Maintenance
To achieve good quality chips, eliminate stress on the chipper as well as
reducing down time due to clogged components, follow these steps for top
chipper performance:
• Knives must be made of the correct steel composition and hardness
• Always maintain proper cutting angle and sharpening techniques
• Change the knives frequently
• Maintain correct anvil/knife clearances
• Keep the anvil square
• Use matched sets of knives on the chipper drum
• Do not use knives that are too narrow
• Keep anvil and chipper knife bolts tight
• Clean holder pocket and clamps when changing knives
• Protect blades when not in chipper
See the Maintenance section for detailed information on maintaining all
feed wheel and chipper drum components.
Hood locking pin
Hood
safety
switch
Figure 3.12
DANGER!
CAUTION
*Feature varies depending on the model you have ordered, see options tabs for details on your model.
Features and Function • Components • Feed Wheels and Chipper Drum
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