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Great Plains 3PYP Operator Manual User Manual

Page 18

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14

3PYP

Table of Contents

Index

Great Plains Manufacturing, Inc.

401-312M

Table of Contents

Index

2014-09-09

Refer to Figure 5

6.

Connect your lower tractor 3-point arms

to the

planter 3-point hitch. If using quick hitch be sure
planter locks into hitch securely.

This is a semi-mounted implement.

• Older models have no top link

.

• 2007+ models have a flexible top link which may be

used, with care, in certain situations.

• If the top link is not used, you may optionally use

lift-assist weight transfer to apply some of the cart
weight to the openers during planting.

Refer to Figure 6

If using lift-assist weight-transfer (and not using the
3-point top link), make sure the parallel arms are
configured as follows:

7.

Install the lift-assist weight-transfer pins

. The pins

are stored in a plate behind the cart parallel arm
pivot weldment. Install them in the large holes at the
bottom of the rod-end lug in the frame-to-cart parallel
arms.

8.

Remove the lift-assist shear bolts from the small
holes

below the lift-assist rod-end lug upper pivot

pin. Store the bolts in the plates behind the cart
parallel arm pivot weldments.

If using the 3-point top link, make sure the parallel arms
are configured as follows:

9.

Install the lift-assist shear bolts. Spare bolts are
stored in a plate behind the cart parallel arm pivot
weldment. Secure the bolt in the small hole

below

the lift-assist rod-end lug upper pivot pin.

10. Remove the lift-assist weight-transfer pins

. These

are located at the bottom of the rod-end lug in the
frame-to-cart parallel arms. The pin is stored in a
plate behind the cart parallel arm pivot weldment.

Refer to Figure 5

11. Connect the flexible top link

only for field

operations and maintenance (never for transport).

Adjust the top link with the tractor turnbuckle and the
sliding link

.

For field operations, adjust the top link so that it is
slack with the planter lowered, and taut near the top
of hitch travel with the planter raised. The goal is to
reduce the weight borne by the rear lift assist
cylinders, and reduce any tendency for the tires to
dig on end-of-pass turns and during backing.

12. Raise tractor 3-point just enough to relieve pressure

from the bases of the parking stands.

Excess 3-point weight and steering hazard:
Do not use the top-link and weight-transfer capabilities at the
same time. Planter caster wheels may lift off ground. Tractor
steering wheels may lose effectiveness. An accident is possible,
resulting in serious injury or death, and planter damage.

Figure 5

Hitching Planter

(Top Link Not In Use)

29211

2

3

4

2

3

5

6

Figure 6

Rod-End Lug Parallel Arm Lug

29201

5

6

6

5

3

4