Great-plains TSF1290 Operator Manual User Manual Page 61

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05/10/2012 500-641M
Great Plains Manufacturing, Inc. Adjustments 57
Adjustments
The following table summarizes the available adjust-
ments. Not all are in this section of the manual.
General Field Adjustments
Boom Height
After calibrating the sprayer for the specific nozzle that
will be used at a desired pressure and tractor speed, the
main field adjustment is the boom height. See “Boom
Height” on page 49. Depending on which type of nozzle
is being used, set the boom height so that the correct
overlap for that specific nozzle is achieved. If the crop
canopy is taller in some fields than others adjust the
boom height accordingly. Refer to the Nozzle Charts in
the Application Guide located in this manual to deter-
mine the height of the boom needed.
EXAMPLE: A 2.5 Metercone nozzle at 20 inch spacing is
being used. From the Nozzle Chart (refer to the Applica-
tion Guide), a height of 19 to 21 inches above the top of
the crop is required. If the crop is 6 inches off the ground,
the boom height should be set to 25 to 27 inches off the
ground.
Nozzle Pressure
Another area that will need some field adjustments is the
nozzle pressure. As the tank level decreases the boom
pressure may need to be adjusted to keep the pressure
at the same magnitude for what the sprayer was cali-
brated for if the sprayer is not equipped with a monitor.
Watch the pressure gauge and be aware of changes in
the pressure.
Adjustment Page Adjustment Affects
Leveling Sprayer 25
Frame Level Adjustment 26 Proper tank drainage and correct boom height control
Leveling Boom 26 Consistent boom height across all rows
Hydraulic Flow Limiter 28 Pump protection and coarse pumping rate
Spraying Setup 31 Correct material pressure and flow
Manual Throttle Valve 32 Maximum consistency of rate control
Agitation 48 Consistent materials solution
Boom Adjustments
Boom Height 49 Correct spray cone overlap for even application
Width Conversion 51 60-foot operation
Elevator Slide 69 Sooth movement and consistent boom level
Break Away Spring 59 Proper boom end response to obstacles
Auto-Boom adjustments See separate Raven manual
Nozzle Selection see separate Application Guide and nozzle slide chart
Initial GPM and pressure see separate Application Guide and nozzle slide chart
Foam setup and rate see separate manual
Axle Wheel Spacing Adjustment 58 Tire tracks relative to rows and tractor tires
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