Great Plains 3N-3020P Operator Manual - Manual (Page 27)

4/23/2010 196-248M
25 Operating Instructions
Unfolding the Drill
This drill has negative tongue weight when unfolded
and raised. Unhooking the drill from the tractor when
the drill is unfolded could cause the drill tongue to
raise suddenly, hitting or crushing bystanders. Be cer-
tain the drill is hitched securely to your tractor draw-
bar and the hitch safety chain is securely attached to
the tractor before raising or unfolding the drill.
To prevent serious injury or death:
• Always use transport 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 be-
ing raised or lowered.
• Keep away and keep others away when folding or
unfolding drill.
1. Unfold the drill on level ground with the tractor
transmission in neutral.
Refer to Figure 8
2. Move handle on fold latch back into field posi-
tion.
3. Activate hydraulics to unfold drill.
19123
NOTE: The latch is spring loaded. Pressure on
the latch may prevent the mechanism from re-
leasing. If latch will not release, activate hy-
draulics to fold boxes to take pressure off
latch, then unfold drill.
Refer to Figure 9
4. Remove lock channels from center-section
wheel cylinders. Store lock channels on frame
gusset as shown
5. Lower drill.
Figure 8
Fold latch handle
Figure 9
Removing lock channels