Great Plains YP1625A Operator Manual - Manual (Page 25)

Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 21
2013-08-13 Table of Contents Index 401-625M
Release Wing Locks
Refer to Figure 17
A pair of inverted hooks
on the tongue tube engage
locks on each wing when the planter is folded.
Prior to unfolding, this lock system must be released by
raising the tongue.
7. This step is slightly different depending on hitch type.
Release Wing Lock with 3-Point Hitch
Release Wing Lock with Hydraulic Hitch
Refer to Figure 16
Re-Phase Fold Cylinders
8. The fold system uses re-phasing cylinders. It is
necessary to re-phase cylinders so wing gauge
wheels run in their fully rotated positions in front of
planter. To re-phase fold cylinders:
Move and hold lever for Marker/Fold in Fold direction
(typically Extend) for 30 seconds. This causes wings
to push against the tongue transport hooks
.
Partially Unfold
Refer to Figure 17
9.
Reverse fold circuit lever until wings clear transport
hooks
by a few feet.
Lower Tongue
10. Lower 3-point hitch or hydraulic tongue to planting
position. See page 17 and page 147 for correct hitch
height and depth control settings. If hydraulic tongue,
set CFM Lift/Hitch switch
to Lift.
a. Raise the 3-point hitch to disengage the wing
lock. Continue at step 8.
a. Set CFM Lift/Hitch switch to Hitch.
b. Raise hydraulic tongue to disengage wing lock.
Figure 16
CFM: Wing Unlock
(Hydraulic Hitch Only)
28483
6
7
8
Figure 17
Wing Hook & Wing Lock
22815
27288
7
8
6
7
7
6