Great Plains 3P1006NT Operator Manual - Manual (Page 94)

151-144M Table of Contents Index 2011-12-20
90 3P1006NT Table of Contents Index Great Plains Manufacturing, Inc.
Appendix C - Accessory Installation
Carbide Disc Scraper Installation
Optional carbide disc scrapers are not factory installed.
See page 60 for ordering. This page cover installation of:
121-781A SPRING SCRAPER ASSEMBLY
Start with row 1 (left-most row unit):
37. Remove one or both disc blades to gain safe access
to the mount . Note the position of bushings and
spacers for correct re-assembly (page 36).
38. Remove the existing slotted scraper.
Refer to Figure 65
39. Select one:
802-079C HHCS 3/8-16X1 1/4 GR5
If Seed-Lok
®
is present, or also being mounted,
also select one:
804-013C WASHER LOCK SPRING 3/8 PLT
Place the lock washer on the bolt (because
the nut is not used).
40. Select one:
804-012C WASHER FLAT 3/8 SAE PLT
Place this flat washer on the bolt.
41. Select one:
890-357C SCRAPER-SPRING LOAD-AIR DESIGN
If the blades were not completely pre-assembled,
select one each:
K7090 AIR DESIGN SCRAPER LH SIDE
K7091 AIR DESIGN SCRAPER RH SIDE
K7096 SPACER AND WASHER ASSEMBLY
K7093 AIR DESIGN SCRAPER 15LB SPRING
Nest one side ( , ) behind the other. Connect
the spring between the sides, using the small top
holes. Insert the spacer from the front, with the
narrow raised center to the rear (in the large blade
holes).
42. Insert the bolt through the scraper blades ( , )
and spacer .
43. If no Seed-Lok
®
is present, select one each:
804-013C WASHER LOCK SPRING 3/8 PLT
803-014C NUT HEX 3/8-16 PLT
Secure the scraper assembly to the scraper
mount
using the lock washer and nut .
If a Seed-Lok
®
is present (not shown), secure the
scraper assembly to the Seed-Lok
®
, using a
threaded hole present in the Seed-Lok
®
. The hex nut is unused.
44. Re-mount the removed disc blade.
Figure 65
Carbide Disc Scraper Installation
19000
U
D
L
R
B
F
1
147
156
188
155
142
187
186
189
1
142
156
156 142
155
186
187
189
188
186 187
188
189
186 187
189
156
147
1 156 147
147