Great-plains P13307 User Manual download pdf (Page 25)

25Solo

Operating Instructions

4.7 Pro-Lift Tines

The arrangement of the toolbars in a ‘V’ frame

gives lower draught requirements and

maximises the loosening effect of each tine.

The depth of the subsurface tines can be

altered by moving the tines vertically relative

to disc depth in their respective clamps using

the 4 holes in the leg. Altering the drawbar

and lift circuit depth will also affect subsoiling

depth as well as discing depth.

Different wings are available to suit the soil

conditions and optimise the performance of

the machine.

It is important to set the machine up correctly

in order to achieve an efficient and worthwhile

operation. Although the Solo can work down

to around 350mm (14") this does not mean

that running at this depth is always worthwhile,

taking time to identify where there is a

problem in the soil profile and working to the

minimum depth required will save a lot of

otherwise wasted fuel and time. It is also very

important not to operate below the critical

depth of the tine, this is where the tine no

longer produces upward movement of soil

and effectively behaves as a mole plough,

therefore not producing the shattering effect

desired.

If the tines are operating below their critical

depth, this is indicated by a reduced

(minimal) heave/shattering effect coupled with

an extremely high draft requirement. Under

these circumstances either reduce tine depth,

increase the front disc depth to alleviate the

problem or change the type of wings.

Pro-Lift tines are not available on

Solo 380 models.

Standard Wing

P09060

• Maximum soil disturbance with

minimum draft requirement under normal

circumstances.

• Wing angle reduces wear rates on leg.

Extra Lift Wing

P10392

• Increased lift height and and rake angle

creates greater soil disturbance on all soil

types especially in moister conditions.

• Lower relative distance between edge

of wing and point reduces draft requirement.

• Has ability to work at lower depths with

no decrease in soil disturbance or risk of

smear.

• Effectively increases critical tine depth.

Extra Wide Wing

P10411

• Improved lateral shatter in moist/wet

soils, or non-cohesive soils.

• Ideal for deep vegetable applications

under light/medium soils.

4.8 Pro-Lift Wings

4. Adjustment / Operation

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