GREAT PLAINS NP2540, Operator'S Manual, Page: 91 / 196

NP2540 Table of Contents Index Adjustments 87
2019-04-12 Table of Contents Index 417-459M
Terra-Tine™ Adjustments (Option)
 All adjustments must be made with the applicator in
the fully raised position.
Refer to Figure 59
Excess Wear Risk:
Check that the Terra-Tine™ Row Cleaner tines DO NOT touch
the coulter blade or any other attachments. Such contacts
c a u s e e x c e s s w e a r t o a l l p a r t s i n v o l v e d . A t l e a s t
1
/
2
in. (13 mm) clearance is recommended.
1. When the blade is out of the soil, adjust the lock
collar height to set the height of tine fingers flush with
the bottom of coulter blade.
2. Side-to-side alignment can be done by rotating the
shank mount around the vertical shaft and
retightening the square head set screw.
3. The factory setting for Terra-Tine™ height is a
distance of 5.4 in. (13.7 cm) from frame bottom to
top of Terra-Tine™ mount.
Height may be adjusted at the mount set screw, or at
the frame clamp. Changing arm angle also
changes tine height.
4. The factory setting for arm angle is minimum
(pivot mount hole closest to Terra-Tine™ mount).
Terra-Tine™ Down Force
Refer to Figure 60
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.
 Changing force also changes height.
 All adjustments must be made with the applicator in
the fully raised position.
 The factory setting is an initial setting. Vary it as
needed for your field condition and application
needs.
Figure 59
Terra-Tine™ Height
31658
1
1
Figure 60
Terra-Tine™ Force
13156
Position 1:
Minimum
Force
Position 5:
Maximum
Force
1
2
1
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