2018-06-06
151-144M
3P1006NT
Maintenance and Lubrication
50
Eye bolt Adjustment (s/n A1058W-)
(applies to drills with serial numbers A1058W-
For serial number A1059W+, see page 49)
It may occasionally be necessary to make adjustments to
the eye bolts at the top of the lift-assist weldments, for
example:
•
drill is out of level side-to-side, or;
•
lowered position is too high even with no spacers on
the cylinder rod.
To check side-to-side level:
1.
Move the drill to a flat surface; a concrete pad is
ideal.
2.
Raise the drill. Install the lift-assist lock channel/s.
3.
Lower the lift assist circuit completely. Lower the
tractor 3-point lift arms just enough to keep the drill
reasonably level front-to-back (and keep the openers
off the ground).
4.
Measure from the ground to the rear corners of the
walkboard. If these measurement do not agree
within
1
/
8
to
1
/
4
inches (5 mm), adjust the eye bolts.
To make adjustments:
5.
Determine which side (or both) to adjust, and what
change in drill height is required.
6.
Hitch the drill to the tractor’s 3-point lift arms. Raise
the drill, and support the rear tool bar on jack stands.
7.
Loosen the jam nut
.
8.
Rotate the adjuster nut
(under weldment top, not
visible in figure) by the amount of height change
required. Move the eye bolt
lower increases
height. Moving the eye bolt higher decreases height.
9.
Tighten the jam nut.
10. Lower the drill and check the setting.
The factory setting for eye bolt reveal is:
3 in. (76 mm)
Figure 45
Lift-Assist Eye Bolt (A1058W-)
28387