Refer to figure 28 – Great Plains YP4425A Operator Manual User Manual
Page 33

Great Plains Manufacturing, Inc.
Operating Instructions
29
2012-02-23
401-805M
Refer to Figure 28
If caster locks are engaged (handle
position), they must be released before folding.
Machine Damage Risk:
Caster locks must be disengaged for transport.
5.
At each wing caster, move the lock control handle
to the ROAD position.
6.
If the indicator end of the lock
immediately snap up from FIELD to ROAD, some
pivot tension is holding the pawl end of the lock
in
the plate detent
. Move the planter forward or back
a short distance until both locks unlock.
Set CFM Marker/Fold switch
to Fold. LED above
switch blinks continuously.
8.
Activate (normally Extend) tractor Marker/Fold
hydraulic circuit to fold wings. Sequence begins with
releasing of tongue latch (Refer to Figure 19 on
page 24). Before folding completes ...
9.
Raise planter tongue (“Raising/Lowering Tongue”
on page 17). This must be done before folding
completes.
Note: If tongue is not raised prior to folding complete,
wing locks will be above transport hooks and
unable to secure wings to tongue.
If this happens, partially unfold planter, raise
tongue, and refold.
Refer to Figure 28
10. When fully folded, lower tongue so that wing locks
engage transport hooks
11. Set Marker/Fold circuit lever to Neutral.
12. 3-point: lower hitch completely
Hydraulic tongue: Set hitch circuit to Float (not
Neutral).
Transport Hazard:
Wing locks must be engaged for safe transport, and planter
tongue must be lowered to keep wings locked.
Hydraulic tongue, if installed, must be in Float.
Figure 28
Caster Unlocked
29306
5
6
8
7
6
7
Figure 29
Fold Commencing
29282
Figure 30
Wings Locked
29243
5
6
6