INDIVIDUAL
OPENER
ADJUSTMENTS
Press
Wheel-Opener
Unkage Depth Adjustment
When using
the
press wheels as rigid-mount depth con-
trol wheels,
the
depth
of
each opener is controlled by the
position
of
the
press wheel. There are several holes on
the press wheel spring rod for varying the height
of
the
press
wheel.
By
removing the adjustment pin and raising
thE!"
press wheel in relation
to
the opener, deeper penetra-
tion is provided
(see
fig.
15).
The press wheel is lowered
if
less penetration is desired.
Spring Tension Setting
Each
opener spring can
be
adjusted
for tension.
This
is
useful
when
penetrating hard soil and for planting
in tractor tire tracks. To adjust the
tension, remove the
'W"
clip at the
bottom
of
the spring and place
it
in a
higher hole
for
more tension and in a
''W''
Clip
lower hole for less tension
(see
fig.
16
and
17).
If
too
much penetration is
achieved at
the
lowest tension set-
ting,
completely
remove the
"W"
clips.
Figure
16
Figure
15
Opener Unkage Depth Adjustment
Minimum
Tension
Figure
17
Maximum
Tension
6
(
"W"Clip
(
( 1
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