Planters Equipped With Pivoting Center Mast and Single Lever Control Attachment (30-60 Series Row Crop Tractors)

IMPORTANT: Damage to planter may occur if mast links (A) contact stops (B) at any time EXCEPT planting position. Follow procedure outlined in this story to adjust Single Lever Control Attachment so tractor rockshaft and planter lift-assist wheels raise and lower in the correct sequence.

Before adjusting Single Lever Control Attachment, be sure planter is level and lift-assist wheels have been adjusted correctly. See PLANTERS EQUIPPED WITH PIVOTING CENTER MAST in this section.

The Single Lever Control Attachment allows you to raise and lower planter with one tractor remote cylinder operating lever. (30-60 Series Tractors)

Adjust Single Lever Control Attachment as follows:

A-Mast Links
B-Stops

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1. Adjust single lever control valve knob (A) fully clockwise. Then, back off one full turn.

2. Lift planter with remote cylinder operating lever.

3. Observe planter during raising cycle. Lift-assist wheels must raise rear of planter. Front and rear of planter should raise evenly.

4. Readjust control valve knob as needed.

A-Single Lever Control Valve Knob

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5. Loosen nut (B) on rockshaft cover valve (C). Turn valve fully clockwise and then back off one full turn to adjust drop rate of hitch.

6. Lower planter. Hitch and lift-assist wheel should be fairly even. Do not drop rear of planter first.

7. Readjust rockshaft cover valve as needed. Tighten nut.

8. Raise and lower planter several times.

Readjust rockshaft cover valve and single lever control valve as needed.

9. Raise lift-assist wheels off ground.

IMPORTANT: Help prevent damage to planting unit seed tubes or seed openers by lowering planter only when moving forward. Do not drop rear of planter first.

B-Nut
C-Rockshaft Cover Valve

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