Great Plains 2SNT30 Assembly Instructions User Manual
Page 13
4/8/04
1-12
MARKER ADJUSTMENTS
STORAGE SADDLE ADJUSTMENT
When folding the marker for the first time, it may be necessary to move the marker storage saddle, Fig. 6 (#50) into
alignment with the 2nd section of the marker arm. Slowly fold the marker(s) and stop when the marker is just above the
storage saddle. Adjust the bracket(s) in or out as needed.
TRANSPORT CARRIER ADJUSTMENT
After centering the storage saddle(s) and folding the marker(s), visually check to see if the height of the transport carrier
is correct. Fig. 6 (#45). The 2nd section of the marker should appear parallel with the top of the drill box. If not, loosen
the transport carrier u-bolts (#47) and adjust the carrier up or down.
MARKER CHAIN ADJUSTMENT
There are two basic adjustments needed on the marker chain, especially in new installations. They are interrelated, and
should be done in the following order:
1. LIFTING SLACK. Start with the marker in the unfolded position. Back the full threaded adjustment bolt Fig. 2 on
page
disk. If the marker disk slides across the ground more than about one foot before the chain and linkage lifts it up, the
chain is too slack. Tighten the chain by moving the clevis one or two links at the inboard end of the chain. Recheck by
repeating step 1.
If the chain does not have enough slack when the marker is in the unfolded field position, the chain will prevent the end
of the marker from dropping down to follow a depression in the field. Correct this condition by moving the utility clevis
one or two links, giving the chain more slack.
2. FOLDED SLACK. After the adjustments in step one have been completed, fold the marker(s). The full threaded
adjustment bolt Fig. 2 on page
1-4 (#21) is provided to take the slack out of the chain while the marker is in the folded
position. Extend this bolt until the slack is out of the chain. Lock the bolt in this position by tightening the nuts on either
side of the upright channel on section 1.
DISK ADJUSTMENTS
The aggressiveness and the mark left by the disk may be changed by two methods:
1. DISK ANGLE. To change the angle of cut, loosen the two bolts (#41) Fig. 5 on page
and retighten.
2. DIRECTION OF CUT. The disk may be mounted to throw dirt either in or out which will give different marks in dif-
ferent soil conditions. To change the direction of cut:
a. Reverse the blade and depth band by remounting the four lug bolts on the disk hub.
b. Reverse the angle of the assembly by removing the adjustment bolts (#41) Fig. 5 on page
spindle assembly one half turn. Reinstall and tighten all bolts.