Great Plains NP4000 40-foot Operator Manual - Manual (Page 117)

Great Plains Manufacturing, Inc. Table of Contents Index Appendix C - Accessory Installation 113
2012-03-28 Table of Contents Index 407-776M
Install Wing Extension
Refer to Figure 66 and Figure 67
If the wing extension is already installed, continue at
“Dismount Rear Coulters” on page 113.
9. Select one new:
407-331H BOLT ON WING FRAME
and eight sets new:
802-055C HHCS 5/8-11X2 GR5
804-022C WASHER LOCK SPRING 5/8 PLT
803-021C NUT HEX 5/8-11 PLT
10. With the Great Plains decal to the left, and the amber
reflector front, attach the extension to the end of
the left wing.
Note: Once installed, the extension itself never needs to
be removed, unless you need to reduce the higher
overall height when folded.
Dismount Rear Coulters
11. Raise the unfolded implement. Install transport locks
and parking stands. Fully extend wing gauge wheels.
12. At each rear coulter shank, use a grease or paint
pencil to make a mark on the top of the rear tool bar
at shank
center-line.
13. If coulter height has been changed from factory
default, record the height. See “Coulter Height and
Castering” on page 54 for reference points.
14. At each rear coulter pivot, disconnect the tubing from
the grease bank, and, if installed, the fertilizer drop
line. Use a cable tie to secure each row’s tubing to a
U-bolt at the front coulter clamp.
Refer to Figure 68
15. Carefully loosen the four nuts
at each coulter
clamp .
16. Slide the coulter shank down out of the clamp.
17. Leave clamps in place (except as required for
step 18 on page 114). Re-tighten nuts to no more
than Grade 2 torque.
Figure 67
Install Wing Extension
31845
58
66
75
71
58
66
75
71
58
Figure 68
Rear Coulter Mounts
32023
71
51
53
53
71
51
53