Great Plains Conservation Coulter and Spring Package - Manual (Page 9)

7/31/2002 204-328M
7 Operating and Assembly Instructions
Upper Spring Mount Installation
For Great Plains and JD 7200
1. Raise the planter and support it with safety
blocks in order to continue. Attach adjustment
bar (5) to the two supports (7) using the clevis
pin (8) and the hair pin (9). Bolt this assembly
to the back of the mounting plate using 3/8" x 1"
long carriage bolt (10), 3/8" flat washer (11),
and 3/8" hex flange nut (11).
2. Slip springs (2) and spacers (3) over handle
adjustment assembly (1).
3. Slip adjustment bar (5) through handle adjust-
ment assembly (1) and rest handle adjustment
assembly on the upper parallel arms sliding it
forward according to step 2 under “Spring Ad-
justments” on page 7.
4. Install 5/8" spring pivot rods (14) through lower
hooks of springs (2) and lower spring mount
(16).
5. Add 5/8" washers (15) to the pivot rods (14) to
secure the inner springs. Put on snap rings
(12). Locate springs away from roller chain and
top parallel arms.
6. Secure the spacers (3) with the 1/4" x 1/2" set
screws (4).
7. Install the 3/8" x 1" long bolt (6), 3/8" flat wash-
er (11), and 3/8" hex flange nut (11) in the back
hole of the adjustment bar (5).