waratah HTH622B SIII, Operator'S Manual

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Features
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HTH622B SIII Features
This overview should help the operator to become
familiar with the features of the HTH622B SIII harvester
head.
1. Cradle link: The pivot point between the carrier
boom and the harvester head.
2. Rotator: Stationary housing with motor and gears
that turn the harvester head.
3. Tilt frame: U-shaped bracket, which pivots the
harvester head vertically and horizontally.
4. Front knife/Top knife: Helps delimb (and debark)
the tree as it is pulled through the harvester head.
5. Upper delimb arms: Work with the top knife to
delimb (and debark) the tree as it feeds through the
harvester head.
6. Feed wheels: Used to grip the tree and feed it
through the harvester head.
7. Feed arms: House the feed roller motors and the
cylinders that provide gripping pressure.
8. Diameter measuring: A sensor that uses feed arm
position to calculate stem diameter.
9. Top saw (optional): Cuts the top off stems, at the
front end of the harvester head.
10. Measuring wheel: Rolls along the tree to measure
the length fed through.
11. Main saw: Cuts stems to length, at the rear end of
the harvester head.
12. Find end: Mounted in the main saw box. When
activated, feeds the stem to find its butt end and
provide a reference for length.
13. Fixed feed wheel: Centre-mounted roller that
feeds the tree through the harvester head, together
with the feed wheels.
14. Colour marking system: Sprays dye from nozzles
in the main saw box to mark and identify logs, e.g.
by grade. Can use up to three colours.
General
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