Summers 4-Rank Superweeder - Manual (Page 64)

SECTION 3 - SUPERHARROW 2650
3-20
Spring Seedbed Preparation
Suggested settings and adjustments for Spring Seedbed Preparation with the Summers Superhar-
row 2650.
IMPORTANT: Sections are designed to run level insuring that all teeth work at the same depth. If
rear of section is running higher than the front, the section is incorrectly adjusted and component fail-
ure may occur. Summers products are NOT warranted for damage caused by improper adjustment
a. Extend hydraulic depth adjustment cylinders 1/2 way. Begin with tine angle adjustment in a
middle setting. Adjust tine angle so that only the rear two bars run full of residue. This will al-
low maximum tine penetration. If section plugging does not occur, tine angle can be adjusted
more vertical. Speed will also affect the amount of residue held by the section: for proper tooth
action run between 5-1/2 MPH and 7-1/2 MPH.
b. If rear of sections run higher than the front, adjust front bar teeth in a less vertical setting using
front adjustment bar.
c. Section down pressure can be increased or decreased hydraulically by positioning lift cylinders
and manually by equally positioning lift cylinder adjustment bolts. Lift cylinder adjustment bolts
must extend at least 3/8” ahead of front 1-1/4” NC nut.
Down pressure on wing sections can be increased by replacing top spacer tubes (8HD0510)
with extra pressure spacer tubes (8HD0520).
Raising the front of the hitch by adjusting hitch piece (8D0720) will also provide more section
down pressure.
d. After establishing desired down pressure, lower drawbar with hydraulic depth adjustment until
rear of sections begin to lift higher than front of section. Raise drawbar 1/2”. If required, sec-
tion height can also be adjusted manually as explained on page 3-10.
With maximum down pressure and these adjustments, tines are working as deep as field con-
ditions will allow.
Residue Management
Suggested settings and adjustments for Residue Management with the Summers Superharrow 2650.
NOTE: Hot, dry weather is the optimum condition for spreading and breaking up crop residue.
a. Extend hydraulic depth adjustment cylinders 1/2 way. Begin with tine angle adjustment in least
vertical position. Adjust front bar teeth in a one hole more vertical setting using front adjustment
bar. These settings will allow the most soil action without plugging section. If section plugging
does not occur, tine angle can be adjusted more vertical.
b. SPEED is important. The SH 2650 should be pulled at 7 MPH to 9 MPH for proper tooth action
in high residue conditions.
c. Section down pressure can be increased or decreased hydraulically by positioning the lift cylin-
ders and manually by equally positioning lift cylinder adjustment bolts. Lift cylinder adjustment
bolts must extend at least 3/8” ahead of front 1-1/4” NC nut.
Down pressure on wing sections can be increased by replacing top spacer tubes (8HD0510)
with extra pressure spacer tubes (8HD0520).
Raising the front of the hitch by adjusting hitch piece (8D0720) will also provide more section
down pressure.
d. After establishing desired down pressure, lower drawbar with hydraulic depth adjustment until
rear of sections begin to lift higher than front of section. Raise drawbar 1/2”. If required, sec-
tion height can be adjusted manually as explained on page 3-10.
With maximum down pressure and these adjustments, tines are working as aggressively as
field conditions will allow.