Tongue elevation – Great Plains 800 Operator Manual User Manual
Page 29
Great Plains Manufacturing, Inc.
Operating Instructions
25
2011-10-25
175-057M
Tongue Elevation
For compact storage, or movement on a trailer, the
tongue can be swung to vertical and pinned up. A
separate stob is provided for using the tongue jack to
support the front of the main frame.
Two or three people are needed for this operation.
Refer to Figure 16 and Figure 17
1.
Move the drill to the parking location or trailer.
2.
Place a block or jack stand under the hitch, to
support the hitch and disconnecting from tractor at
step 11. The normal jack is not available for this.
3.
Raise openers slightly to free transport lock pin
.
Move lock pin to down-pressure hole “E”
.
4.
Lower openers and reduce hydraulic circuit pressure
to zero (Float circuit).
5.
Move the tongue jack
to the stob
on the left side
of the front tool bar.
6.
Crank the jack up or down until tension is removed
from the pins
at either end of the turnbuckle.
7.
Remove both pins, and the turnbuckle.
8.
Operate jack crank until frame is level front-to-back.
9.
Unplug drill hydraulic hoses and electrical lines from
tractor. Secure the electrical cable receptacle in the
weather cap
. Route the hydraulic lines fully
through the hose management plate
.
10. Remove safety chain
from tractor drawbar. Have
one or two people support the weight of the tongue
with the safety chain
Negative Tongue Weight Hazard:
Lower openers and remove hydraulic pressure before
unhitching the drill in the unfolded position. Unhitching with
the openers raised will result in sudden elevation of the
tongue, causing injury or death. This drill has a negative
tongue weight when openers are raised.
Lower row units -or- empty all seed and fertilizer boxes.
An unhitched drill will tip backwards
if rows are raised with seed loaded.
Figure 16
Normal Tongue Position
32623
1
2
5
7
8
4
9
3
6
5
1
2
3
4
5
6
7
8