The track setter uses an electric actuator
to raise and lower it and a white fiberglass rod for down force:
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The electric actuator rotates a steel bar that has
four steel tubes.
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The track setter mount can be positioned in any
of the four steel tubes on the steel bar by pulling one pin:
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Left side
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Left middle
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Right middle
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Right side
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The track setter mount has a white
fiberglass rod and
a steel rod attached.
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The white fiberglass rod flexes and applies down
force when the track setter is on the snow. It also flexes
sideways to allow the track setter to track smoothly around curves in
the trail.
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The steel rod carries the weight of the
track setter
when it is up.
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The loop on the end of the steel rod
moves up and down the indicator rod to indicate how much
down force is applied to the track setter.
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I normally use a 5/8" white fiberglass rod,
but I also have a 1/2" fiberglass rod that can be used when the
snow is softer and less down
force is required.
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The Spring on the front of the track setter applies down
force to the front of the track setter to keep the teeth set tight in
the snow (and it stops the track setter from bouncing around when it's
up).
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I've gone thru many designs for the Track Setter Teeth.
The two rows of teeth cut a good channel for the shoes and allow the
snow to flow thru.