Great Plains 2525A Operator Manual - Manual (Page 57)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 53
2013-06-04 Table of Contents Index 118-999M
Seed-Lok
®
Seed Firmer Lock-Up
Optional Seed-Lok
®
firming wheels provide additional
seed-to-soil contact. The wheels are spring loaded and
do not require adjusting. In some wet and sticky condi-
tions the wheels may accumulate soil. To avoid problems
associated with this, you can lock-up the firmers.
Refer to Figure 58 (which depicts a row unit with discs, side
depth wheels/arms and press wheels removed for illustrative
purposes - removal is not necessary for lock/unlock)
To lock up Seed-Lok
®
wheels:
1. Raise planter. Insert lift assist cylinder locks.
2. Lift Seed-Lok
®
lock-up handle until lever stop is
free to rotate.
3. Rotate lever stop to side/idle position . Release
lock-up handle .
4. Push up on Seed-Lok
®
wheel until wheel arm
latches up .
To release a locked-up Seed-Lok
®
:
1. Insert a
1 ⁄
4
in tool drive tip in the tool hole of the
handle . Alternatively, lift up on the wheel .
2. Rotate the handle clockwise (handle arm up) until
the Seed-Lok
®
wheel releases at the latch point
and falls free.
3. While holding the handle up, rotate the raised portion
of the lever stop
under both sides of the handle
at the arm end. Remove the tool.
Seed-Lok® Seed Firmer Lock-Up (old style)
Optional Seed-Lok® firming wheels provide additional
seed-to-soil contact. The wheels are spring loaded and
do not require adjusting. In some wet and sticky condi-
tions the wheels may accumulate soil. To avoid problems
associated with this, you can lock-up the firmers.
Refer to Figure 59
To lock up Seed-Lock wheels:
1. Raise planter.
2. Rotate Seed-Lok® lock-up handle 90 degrees
down on top of row unit body.
3. Push up on Seed-Lok® wheel until wheel arm
latches up.
Note: Engage the lever stop under the handle when
Seed-Lok
®
is in use. If left disengaged , a furrow
obstruction could cause unintended lock-up.
Figure 58
Seed-Lok
®
Lock-Up
31543
2
3
1
4
2
3
5
6
1 2
3
1
4
5
6
1 4
5
2 2
Figure 59
Seed-Lok® Lock-Up (old style)
22909
2
3
1
2
3