Great-plains 3S-3000F Operator Manual v2 User Manual download pdf (Page 47)

Section 3 Adjustments

11/9/07

3S-3000 Three-Section Folding Drill 195-110M-A

Great Plains Mfg., Inc.

Single Marker Speed Adjustment

The single marker hydraulic system is equipped with a

needle valve to control how fast the marker operates. The

needle valve is located in the hydraulic hose line at the rod

end of the marker cylinder as shown in Figure 3-21. Turn

the adjustment knob clockwise to slow the speed down

and counterclockwise to speed it up. Adjustments should

be made for safe operating speeds at the tractors operat-

ing RPM. Excessive folding speed could damage the

marker and may void the warranty.

Single Marker Speed Adjustment

Needle Valve

Figure 3-21

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Needle Valve

Slower

Faster

Transport Carrier

When the marker is folded, the 2nd section should be cen-

tered in the transport carrier saddle and lay parallel with

the top of the drill box. To adjust the front to rear position of

the storage saddle, loosen the 1/2" x 6" u-bolts (#1) which

fasten the transport carrier mount to the box frame and

slide the transport carrier assembly forward or backward

as needed. To adjust the height of the transport carrier

saddle, loosen the 1/2" x 2" u-bolts (#2) which hold the car-

rier tube to the mounting bracket and slide the carrier tube

up or down as needed. Figure 3-22 illustrates these two

adjustments.

Marker Transport Carrier Adjustment

Figure 3-22

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Great-plains 3S-3000F Operator Manual v2 User Manual Page 47