Great Plains Full Press Drill Post Conversion - Manual (Page 5)

4/9/2004 104-010M
Great Plains Mfg., Inc.
5 Installation Instructions
Refer to Figure 7
29. Install the top round tube of the pivot post (1)
into the pivot post cap on the main drill frame.
30. Rotate the U-joint spindle (2) so the hole for
the cylinder clevis (6) is facing towards the
closing cylinder lug (7).
31. Align the holes in the U-joint post side plates
on the pivot post (1) with the U-joint spindle
(2).
32. Insert the 6 3/4" long pivot bolt (3) and posi-
tion it so the head rests against the 1/4"
square key so the bolt will not turn while being
tightened. Secure bolt with the 1 1/4" lock
washer (4) and 1 1/4" hex nut (5). Tighten nut.
Refer to Figure 8
33. Place the closing cylinder lug (1) on top of
square tube (2).
34. From the centerline of the hole in the closing
cylinder lug (1) measure 16 7/8" to the center-
line of the square tube (3). Measure from the
centerline of the lug (1) 1 3/8" to the edge of
the square tube (2).
35. Clamp lug (1) and weld in place using a high
tensile strength weld.
36. Reinstall the hydraulic cylinder.
37. Reattach the left-hand drill box to the pivot
post.
38. Repeat the procedure to install the pivot post
conversion kit on the right-hand side of the
drill substituting right for left.
Figure 7
Installing Pivot Post
20223
Figure 8
Closing Cylinder Lug
20229