Great Plains YP925TD Operator Manual - Manual (Page 51)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 47
02/23/2011 Table of Contents Index 401-755M
Dual Terra-Tine™ Adjustment (Option)
Terra-Tine™ row cleaners are aligned on the center-line
of the center opener of each triple row set.
With the implement raised, tine height (at the bottom of
the tines) is normally set to the same height as the lower
edge of the coulter blade (or about 6 mm above opener
depth).
There are three adjustments for these row cleaners:
Refer to Figure 36
1.
down-force
2. height
3. row alignment
Excess Wear Risk:
Check that the Terra-Tine™ row cleaner tines DO NOT touch
any other implement components. At least 13 mm clearance is
recommended. Tine contact causes excess wear to all parts
involved.
Note: All adjustments must be made with the implement
in the fully raised position.
Terra-Tine™ Down Force
Refer to Figure 37
A series of three holes in the spring adjuster
and pivot
mount plate provide five combinations for different
levels of spring tension. The following table shows the
down-force levels available.
Note: Changing force also changes height.
Terra-Tine™ Height
Refer to Figure 36
Adjust down-force before adjusting height. To adjust
height, loosen both set screws
. Slide mount up or
down shank. Check row alignment. Tighten set screws.
Terra-Tine™ Row Alignment
The lateral position of the Terra-Tine™ may be changed
by loosening the offset shank set screws
(and height
set screws ) and/or the tool bar mount bolts .
Figure 36
Dual Terra-TineTerra-Tine™
31873
3
3
4
5
Figure 37
Terra-Tine™ Force
13156
Position 1:
Minimum
Force
Position 5:
Maximum
Force
1
2
1
2
Terra-Tine™ Spring Tension (per Tine Disc)
Position Newtons Pounds
1 53 12
2 76 17
3 98 22
4 120 27
5 138 31
31875
3
4
3 5