GREAT PLAINS 1205 Manuale di regolazione del campo - Pagina 3

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Leveling The Drill:

1) Loosen the locknuts (1) and adjust the cylinder eye-

bolts (2) so that there is initially about 3 1/16 inch of

thread above the mounting plate.

2) Fully raise the drill, then lower the drill to the ground

until the openers and coulters are 1 to 2 inches off the

ground.

3) Measure the distance from the coulter tube to the

ground on both ends of the drill.

4) Adjust the eye-bolts to level the drill from end to end.

5) Tighten the nuts on eye-bolts when the drill is level.

Coulter Depth Control:

The master-slave lift cylinder on the drill controls the

depth of the coulters. A depth valve regulates the

retracted length of these cylinders.

1) Lower the drill until the desired coulter depth is

achieved and set the coulter depth stop. Raise the drill

up and drive forward while lowering the drill as it's mov-

ing. Recheck the coulter depth and adjust, by doing this

the coulter depth will always return to the same depth.

Note: Changing the depth of the coulters will effect over-

all planting depth of the openers. Press wheels will need

to be adjusted accordingly.

Individual Coulter Adjustment:

Coulter springs are preset at the factory giving the

coulters an initial operation force of 400+ lbs. This setting

is adequate for most fields conditions. Re-setting the

coulter spring shorter than 9 3/4 inches can cause pre-

mature failure of parts.

Opener Down Pressure:

The "W" clips on the opener spring rods should be in the

lowest hole. This is the correct location in all conditions.

The "W" clips can be raised one hole on openers in wheel

tracks only if penetration is not adequate.

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