Digi-Star John Deere 1990 CCS Single Rank 30/36/40/44 - Manual (Page 5)

Scale Bracket and Load Cell Mounting Installation
D3864-US-Rev A John Deere Planter Scale 3
Figure 2
Front Leg Assembly
JD 1990 Single 30’
(Left Side Shown)
Figure 3
Front Leg Assembly
JD 1990 Single 40’ & 44’
(Right Side Shown)
Use Figures 2 and 3 for steps 9 - 13
9. Install the front top bracket by using the 5/8 x 3 1/2” special bolts. The cropped bolt edge is installed next to
the 4 x 4 tubing and from the top (see Figure 2). Install the front top bracket by using 5/8 x 2” bolt and two 5/8”
washers, flange nuts (see Figure 3).
10. Assemble load cell to the front base plate by using 3/4 x 3 1/2 in. bolts and locknut. Do not tighten bolts
completely. You may have to slide load cell while aligning base and top brackets.
TOP DECAL NEEDS TO
BE ON TOP OF LOAD CELL!
(See Figure 2 or 3)
11. Install front base plate weldment to the main frame with the yoke plate on the bottom. Reuse the original
frame bolt (see Figure 2). Install front base plate weldment to the main frame with the supplied 5/8 x 8.75” U-
bolts and 5/8 top lock flange nuts (see Figure 3).
12. The load cell is held to the front top bracket with 3/4 x by 2 in. bolts. The 2 in. bolts need to have thread
lock applied to the threads.
THIS BOLT CAN NOT BE COMPLETELY TIGHTENED DOWN, LEAVE 1/16 in.
BETWEEN BOTTOM OF BOLT HEAD AND TOP BRACKET!
NOTE:
To make the front
load cell support fit, the
existing planter support
pin may need to be
modified. With a hand
grinder, chamfer the
bottom pin edge.
IMPORTANT!
Do not
remove the existing
support pin. The front pin
is spring loaded.