Great Plains NTA3007HD Operator Manual - Manual (Page 6)

6 Great Plains Manufacturing, Inc. Front Page Part Lists Contact Drive Update
166-367M Front Page Part Lists 02/21/2012
Install Welded Parts
Install Down Stops
Lugs (4 places) are added to the tongue mount plates to
provide limit stops. This protects against machine dam-
age in the event of low tire pressures.
Refer to Figure 8, Figure 9, Figure 22 (on page 13) and
Figure 23 (on page 14)
32. Remove paint from the area to be welded.
33. Make two copies each of page 13 and page 14
(4 total) at 1:1 (100%) size (or print at 100% size
from the PDF of this manual), for use as marking
templates. A ruler image is included on the pages to
verify that the copy is 1:1 scale.
34. Mark the location for each lug. Center-punching the
corners suffices.
35. Select four new:
266-294D CONTACT WHL DOWN STOP
Note: The lugs are symmetrical. The flat sides are iden-
tical.
36. Position each lug with one flat side to frame, the
other flat side up, curved side out, and canted 17
degrees forward. Tack weld. Re-check dimensions or
against template.
37. Allow tack welds to cool. Final weld all around with a
9 mm (
3 ⁄
8
in) weld fillet.
Figure 8
Down Stop Installed
32075
13
Figure 9
Down Stop Placement Dimensions
32076
77.6 mm
17
°
2.1 mm
2.1 mm (0.08 in) from bottom rear
corner of lug to vertical rear edge of
tongue mount plate.
77.6 mm (3.06 in) from bottom front
corner of lug to top edge of parallel
arm reinforcement plate below.
13
13