Appendix b - option installation, Carbide disc scraper installation – Great Plains 3S-5000HDF Operator Manual User Manual
Page 89
2012-08-14
195-325M
Great Plains Manufacturing, Inc.
Appendix B - Option Installation
85
Appendix B - Option Installation
Carbide Disc Scraper Installation
These instructions apply to an installation of scraper kit
part number 121-781A.
Optional carbide disc scrapers are not factory installed.
Start with row 1 (left-most row unit):
1.
Remove one or both disc blades to gain safe access
to the mount
. Note the position of bushings and
spacers for correct re-assembly.
2.
Remove the existing slotted scraper.
Refer to Figure 68
3.
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).
4.
Select one:
804-012C WASHER FLAT 3/8 SAE PLT
Place this flat washer on the bolt.
5.
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).
6.
Insert the bolt through the scraper blades (
,
)
and spacer
.
7.
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.
8.
Re-mount the removed disc blade.
Figure 68
Carbide Disc Scraper Installation
19000
U
D
L
R
B
F
1
19
22
29
25
24
28
27
30
1
24
22
22
24
25
27
28
30
29
27
28
29
30
27
28
30
22
19
1
22
19
19