Field Operation
LATERAL FRONT DISC GANG POSITIONING
REAR VIEW OF DISC PROFILE
The disc positioning system is used for maximum soil disturbance, reduced ridging and weed control. Adjustment can also be made to compensate for disc wear. ADJUSTMENT PROCEDURE *NB - Be sure machine is tracking in line before at- tempting to make this adjustment. • Start with factory settings: 4. FIELD OPERATION - Front Disc Gang Lat- eral PositioningStandard Factory Setting. • Test run at normal operating speed and stop quickly. • Check for ridges of undug soil. Follow ridges into machine and identify which direction to adjust. See diagrams on this page • To remove any ridges, only adjust front side- ways in small increments ½” or 12mm. • Re-check in hard soils as Jump Arms tend to flex more. REMEMBER, FULL GROUND DISTURBANCE STARTS AT 2 ½” 60MM
Figure : 4.8 Rear Disc Gang Fixed Position
Adjustable Front Gang
Left
Right
Top Elevation
Soil Throw
Figure : 4.9 Adjustment Right.
Soil Throw
Move Front Gang Right to Cut Out (A) Left to Cut Out (B)
(A)
(B)
(A)
Cross Sectional View Of Soil Distrubance
Figure : 4.7 Adjustable Front Gang
Figure : 4.10 Adjustment Left.
Move Front Gang Right To Cut Out (A) Left To Cut Out (B)
4.6
2900 SPEEDTILLER 3 POINT LINKAGE
OPERATOR & SAFETY MANUAL
2920D-2940D Op Book.indb 6
9/01/2023 1:26:20 PM
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