Great-plains 3S-3000F Operator Manual v2 User Manual download pdf (Page 49)

Section 3 Adjustments

11/9/07

3S-3000 Three-Section Folding Drill 195-110M-A

Great Plains Mfg., Inc.

Breakaway Protection

The marker arm is attached to the marker body with a 3/8"

shear bolt as shown back in Figure 3-23. If excessive force

is applied to the marker during operation, the shear bolt

will break, allowing the marker arm to swing away rather

than cause damage to the marker.

NOTE: The breakaway bolt is a 3/8-16 x 2" long grade

2 (GP# 802-266C). It is identiﬁed as a grade 2 by hav-

ing no marks on the head. If is breaks, it must be re-

placed by an equivalent grade 2 bolt to prevent marker

damage.

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Great-plains 3S-3000F Operator Manual v2 User Manual Page 49