PRESS WHEEL ADJUSTMENTS
1. Press Wheel Spring Location
(
\ The press wheels
are
designed
to
perform
two
different functions: they can be set
as
either independent spring.
(
loaded firming wheels or as rigid-mount depth control firming wheels.
To achieve the spring·loaded action, the press wheel spring must be set.below the mounting bar and the cotter pin
on
top
of
the bar
(see
fig.
18).
The press wheel spring rod has several holes in
it
for
varying the spring pressure at the press
..
wheel. When using rubber·tired depth control wheels on the opener,
the
press wheels should always be set
for
spring.
. loaded firming action.
To achieve the
rigid-mount depth control action, the cotter pin
must
be set below the mounting bar with the spring on
top. This spring prevents the press wheel from dropping when the drill
is
raised and provides a place to store the press
wheel spring (see fig.
19).
Cotter
Pin
....
~
...
=-
Figure
18
Independent
Spring·Loaded
Action
"------
(::Otter
Pin
Figure 19
Rigid-Mount
Depth
Control
Action
2. Press Wheel Angle Adjustment (Double-V Press Wheels Only)
Adjustment Pin
Figure
20
Figure
21
7
The camber angle
of
the double-V press wheels may be
adjusted by removing the angle bar adjustment pin and
moving the angle bar. Moving the angle bar forward will
cause the press wheels
to
pull more soil over the
seed
(see fig.
2O).
Moving the angle bar back will cause the
press wheel
to
pull less soil over the seed (see fig.
21).
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