Great Plains YP1625A Operator Manual - Manual (Page 31)

Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 27
2013-08-13 Table of Contents Index 401-625M
Activate Fold Solenoid Valves
Refer to Figure 28
12. Set CFM Marker/Fold switch
to “Fold”. This opens
the solenoid valves for tongue lock, fold cylinders
and caster arm
a
cylinders.
Begin Folding
13. Extend the fold cylinders and fold the planter until the
wing tubes are within a few feet (a meter or so) of the
tongue.
Raise Tongue
14. Raise 3-point hitch or hydraulic hitch until wing
hooks on tongue clear locks on wings.
Complete Fold
15. Continue or resume folding until the wing locks
contact lock plate (under hooks).
16. Set CFM Marker/Fold switch to “Markers”.
Note: When folded, set the “Marker/Fold” switch to
“Marker”, whether Markers are installed or not. In
this position, the switch disables all solenoid valves
for fold, locking the fold system.
Lower Tongue
17. Lower 3-point hitch or hydraulic tongue until wing
hooks rest on wing locks.
Re-phasing Fold System
Over a period of normal use, the cylinders may get out of
phase. This is evident by wing gauge wheels not running
in their fully rotated positions in front of the planter.
Note: Planter must be folded to re-phase fold system.
See “Re-Phase Fold Cylinders” on page 21.
a. Feature on YP1225A s/n A1154K+ and YP1625A s/n A1172B+ planters.
3
Figure 28
CFM: Commence Fold
28484
2
3
Figure 29
Wing Hook & Wing Lock
22815
27288
4
5
4 5
3