Controllers - AGCO Parts

Controllers - AGCO Parts Controllers - AGCO Parts

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Technical Pages Please Note: For a complete AGCO part number; please add AG to the front of the six digit number. 248

Spray tips don’t last forever! Too many growers are losing thousands of dollars for the sake of a small investment in the routine replacement of spray tips. Measuring Travel Speed Measure a test course in the area to be sprayed or in an area with similar surface conditions. Minimum lengths of 100 and 200 feet are recommended for measuring speeds up to 5 and 10 MPH, respectively. Determine the time required to travel the test course. To help insure accuracy, conduct the speed check with a loaded sprayer and select the engine throttle setting and gear that will be used when spraying. Repeat the above process and average the times that were measured. Use the following equation or the table below to determine ground speed. Distance (ft.) x 60 Speed (MPH) = Time (seconds) x 88 Speed in MPH (Miles Per Hour) Useful Formulas GPM — Gallons Per Minute GPA — Gallons Per Acre MPH — Miles Per Hour Time Required in SECONDS to travel a Distance of: 100 feet 200 feet 300 feet 3.0 23 45 68 3.5 20 39 58 4.0 17 34 51 4.5 15 30 45 5.0 14 27 41 6.0 — 23 34 7.0 — 19 29 7.5 — 18 27 8.0 — 17 26 9.0 — 15 23 GPA = 5940 x GPM (Per Nozzle) MPH x W W — Nozzle spacing (in inches) for broadcast spraying — Spray width (in inches) for single nozzles, band spraying or boomless spraying. — Row spacing (in inches) divided by the number of nozzles per row for directed spraying. Suggested Minimum Spray Heights GPM = (Per Nozzle) Nozzle Height GPA x MPH x W 5940 Nozzle Type Spray 20" 30" 40" Angle Spacing Spacing Spacing TeeJet (Flat Spray) 65˚ 22-24" 33-35" NR* TeeJet, XR TeeJet 80˚ 17-19" 26-28" NR* TeeJet, XR TeeJet 110˚ 15-18" 20-22" NR* FullJet 120˚ 10-18"** 14-18"** 14-18"** FloodJet 120˚ *** *** *** Turbo TeeJet 110˚ 15-18" 20-22" NR* Turbo FloodJet 120˚ 14-16" 15-17" 18-20" * Not recommended. ** Nozzle height based on 30˚ to 45˚ angle of orientation. *** Wide-angle spray tip height is influenced by nozzle orientation. The critical factor is to achieve a double spray pattern overlap. Nozzle Spacing If the nozzle spacing on your boom is different than those tabulated, multiply the tabulated GPA coverages by one of the following factors. Where Tables Are Based on 20" Nozzle Spacing Other Spacing 8" 10" 12" 14" 16" 18" 22" 24" 30" Conversion Factor 2.5 2 1.67 1.43 1.25 1.11 .91 .83 .66 Where Tables Are Based on 30" Nozzle Spacing Other Spacing 26" 28" 32" 34" 36" 38" 40" 42" 44" Conversion Factor 1.15 1.07 .94 .88 .83 .79 .75 .71 .68 Where Tables Are Based on 40" Nozzle Spacing Other Spacing 28" 30" 32" 34" 36" 38" 42" 44" 48" Conversion Factor 1.43 1.33 1.25 1.18 1.11 1.05 .95 .91 .83 Spraying Solutions Other Than Water Since all the tabulations are based on spraying water, which weighs 8.34 lbs. per USA gallon, conversion factors must be used when spraying solutions which are heavier or lighter than water. To determine the proper size nozzle for the solution to be sprayed, first multiply the desired GPM or GPA of solution by the water rate conversion factor. Then use the new converted GPM or GPA rate to select the proper size nozzle. Example: Desired application rate is 20 GPA of 28%N. Determine the correct nozzle size as follows: GPA (solution) x Conv. Factor = GPA (from table in catalog) 20 GPA (28%) x 1.13 = 22.6 GPA (water) The applicator should choose a nozzle size that will supply 22.6 GPA of water at the desired pressure. Specific Conversion Weight of Solution Gravity Factors 7.0 lbs. per gallon .84 .92 8.0 lbs. per gallon .96 .98 8.34 lbs. per gallon — WATER 1.00 1.00 9.0 lbs. per gallon 1.08 1.04 10.0 lbs. per gallon 1.20 1.10 10.65 lbs. per gallon — 28% nitrogen 1.28 1.13 11.0 lbs. per gallon 1.32 1.15 12.0 lbs. per gallon 1.44 1.20 14.0 lbs. per gallon 1.68 1.30 Technical Pages Please Note: For a complete AGCO part number; please add AG to the front of the six digit number. 249

Technical Pages<br />

Please Note: For a complete <strong>AGCO</strong> part number; please add AG to the front of the six digit number.<br />

248

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