SteelTrak User Guide –
Maintenance
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Page 6 of 6
1.3 Guide wheel adjustment
The Cutting Head slides up and down on two stainless steel
Guide Rails (1) that are embedded into the Slideway
There are four grooved Guide Wheels that run on the rails, the
two furthest away are fixed (A) and the two closest are adjustable
(B). These Guide Wheels are adjusted in the factory and should
not under normal circumstances require re-adjustment.
The adjustment check and procedure is listed in the event that the Cutting Head needs to be removed for any reason
The steel bar with the oval holes, the Spring Block (4), holds the
two adjustable wheels and is designed to flex, a small amount,
like a spring and add tension so the Guide Wheels are pressed
onto the Rails. It is important that the tension is set correctly, use
a 0.15mm (0.006″) feeler gauge or a stout piece of paper to
measure the gap under the Spring Block as shown. If the gap is
too large or too small the adjacent wheel will need adjusting.
The Shafts that the adjustable wheels run on are eccentric and
move the wheel into or away from the rail as it is rotated.
Using a 13mm spanner on the Locking Nut and a 5mm spanner (or
grips) on the square end of the Shaft hold the Shaft still and
loosen the Locking Nut by about half a turn.
Rotate the Shaft clockwise whilst using a feeler gauge or paper
as above to measure the gap under the Spring Block. If the Shaft
will not rotate any further and the correct gap has not been
achieved, turn it anti-clockwise and the correct adjustment should
be obtained within one full rotation of the Shaft.
When the correct gap appears hold the Shaft still and tighten the
Locking Nut.
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