GREAT PLAINS BD7600-30 Руководство по регулировке поля - Страница 10

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How To Lower Drill For Unfolding:

Note The drill must be lowered before unfolding.

1) Park the tractor and drill on level ground and put

the tractor in park. Make sure there is enough clear-

ance to unfold the drill.

2) Confirm that the selector valve is set for transport.

3) Slowly extend the lift cylinders. Set the hydraulic

lever to off. Move the center transport lift handle up to

FIELD position to release the transport lock.

4) Slowly lower the drill. Keep the hydraulic engaged

until the tongue cylinder and two lift cylinders are

completely retracted. Set the hydraulic circuit to neu-

tral.

How To Unfold The Drill Once Lowered:

1) Verify that the opener frames are still raised and

locked up (handles in ROAD position).

2) Slowly unfold the wing frames by completely

extending the fold cylinders.

3) If operating in the field, place all six opener lock

handles in FIELD position.

4) Completely raise the openers to allow the opener

locks to disengage.

How To Fold Drill:

The following applies to BD7600(HD)-26

Transport lift is on a dedicated hydraulic circuit, and is

used before folding. It raises and lowers inde-

pendently of the opener frames. The transport lift cir-

cuit also includes two cylinders on the wing arms

which lift the wings when folding.

1) Park the tractor and drill on level ground with

enough clearance to fold the drill. Put the tractor in

park.

2) Fold markers if installed. Return selector valve han-

dle to FOLD position.

3) Position all opener lock handles (1) in ROAD posi-

tion (2) and completely raise

opener lock handles are spring loaded and can be

moved to ROAD position with openers up or down, but

the locks only engage when the openers are com-

pletely raised.

4) Extend the transport lift cylinders.

Document

#DRUS400C-0012A

openers.Note: The

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