Great Plains 3N-4020 Operator Manual - Manual (Page 27)

Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 23
2013-10-29 Table of Contents Index 196-359M
Folding the Drill
Machine Damage Risk:
Fold only when the drill is raised and locked up.
Fold the drill on level ground with the tractor in neutral.
If your drill has markers, be certain they are folded and
their control switches are off before folding.
Pinch Point and Crushing Hazard.
To prevent serious injury or death:
▲ Always use transport lift locks when drill is folded.
▲ Fold only if hydraulics are bled free of air and fully charged
with hydraulic oil.
▲ Stay away from frame sections when they are being raised
or lowered.
▲ Keep away and keep others away when folding drill.
Refer to Figure 20
1. Set Drive/Lock selector valve to Lock.
2. Fold markers (Option). See page 33.
3. Raise drill with lift cylinders until cylinders are fully
extended. Install lock channels over extended
wheel-cylinder rods. Six cylinder rods total. See
page 22.
4. Retract the Lock cylinder circuit lever to:
• disengage the tool bar locks (2),
• disengage swivel locks (2),
• disengage caster locks (2), and
• enable the self-latching transport lock (1).
Set circuit to Neutral. Do not Extend.
Pinch/Crush Risk: Drill Center section moves back while
folding. Tractor may move forward. Allow at least 10ft (3m)
clearance behind drill and ahead of tractor when folding.
Figure 20
Fold: Drive/Lock Selector Valve
21844
Figure 21
Transport/Tool Bar Lock Cylinders
21841
21845