Great Plains NP4000 Applicators - Manual (Page 3)

Install Lower Stiffener Bars Front Page Appendix Great Plains Manufacturing, Inc. 3
2012-08-30 Front Page Appendix 401-828M
Install Lower Stiffener Bars
Refer to Figure 2
Inspect the inner wing weldments. If the inboard center
tubes already have stiffener plates
, continue at
“Remove Stop Rods”.
3. Raise applicator with tractor.
4. Fold applicator.
5. Configure the applicator for folded parking.
6. Disconnect all harnesses to tractor.
Start with the left wing.
7. Remove paint from the bottom edges of the inboard
center tube, and from the bottom of the wing ribs
near the center tube.
Refer to Figure 3
8.
Select one new:
407-993D FLAT BAR STIFFENER FIELD
Clamp the bar to the inboard center tube, centered
on the tube, and 1 inch (2.5 cm) from the outboard
edge of the mid-wing rib.
9. With a
1 ⁄
4
inch (6 mm) fillet, “stitch” weld the bar to
the tube, 1 inch welds on 9 inch centers (2.5 cm on
23 cm centers).
10. Repeat step 7 through step 9 for the right wing.
Remove Stop Rods
Refer to Figure 4
Inspect the inner wing cylinder lugs
at the center
section end. If there is no stop rod present, continue
at “Paint Plates and/or Cuts” on page 4.
11. Raise applicator with tractor.
12. Unfold applicator.
13. Configure the applicator for unfolded parking.
14. Set all connected tractor remotes to Float, to relieve
15. Disconnect all harnesses to tractor.
16. Use a cut-off saw or torch to remove the cylinder
stop rod . Avoid cutting into the lugs. Repeat for
right wing.
Figure 2
Stiffener Bars
34101
59
U
D
F
B
L
R
59
59
59
Figure 3
Bottom Stiffener Plate Location
34102
59
1.0 inch
(2.5 cm)
Figure 4
Existing Cylinder Stop Rod
34095
1
12
U
D
F
B
L
R 1
12
12