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6.3.16 - Berm Discs: Spring
Each Burm disc arm is held in place by a compression spring.
The spring has two functions:
1.
Allow the disc to ride over obstacles and to prevent component damage.
2.
Enables the disc to cut into the soil and assist in building the strip structure.
Adjusting Burm Disc Spring
1.
Measure the length of the spring.
2.
To increase spring force, turn the M12 nut clockwise to shorten the spring length.
3.
To decrease spring force, turn the M12 nut anti-clockwise to lengthen the spring length.
4.
Confirm adjustments are correct (operational test)
5.
Set all additional rows to the same position.
IMPORTANT: Any adjustments should be made in 5mm Increments
IMPORTANT: Maximum compression length of 35mm. This has a minimum
measurement length of 160mm
IMPORTANT: An excessively aggressive setting will create unnecessary mechanical
stresses on the row unit
195mm
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47
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