GREAT PLAINS NTA607HD Podręcznik - Strona 10
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Great Plains Manufacturing, Inc.
Reattach Bolt Channel Brackets
6. Take the two weight bracket bolt channels
5
⁄
x9in bolts
per bracket that were removed from
15
8
the bottom of the mid weight set and remount one
each on top of the left and right frame tubes as pic-
tured (Figure 10 and Figure 11).
Adjust Back Pressure
7. To manipulate the amount of down force:
In addition to removing the rear weight stack you
should adjust the back pressure at the pressure
reducing valve located on the left wing See "Adjust
Weight Transfer Valves" on page 6.
Null4:
Determine Results
1. Run implement in field.
2. If removing the rear weight stack satisfactorily gets
the result you desire (the tires are off the ground as
you want) you are done. Make sure to reset pres-
sure valve: back pressure must be set to at least
100 psi.
Insufficient Opener Weight Risk:
It is not recommended to remove the front weight stack. If the
implement is used in heavier till field conditions there will be
insufficient down force over the coulters for penetration in
the soil.
166-365M
and two
6
U
R
F
D
NTA607HD Lift Assist Adjustments
6
15
6
B
L
Figure 11
Weight Bracket Bolt Channels
15
12/02/2010