Smithco Turf Spraying Guide Manuel d'utilisateur

ILLUSTRATED GUIDE TO TURF SPRAYING

for soil applied material, small droplets, which more fully cover plant for foliar applied materials. Pressure also affects droplet size. More pressu

BOOM HEIGHT is very important in permitting spray nozzles to develop their proper spray pattern. If nozzles are too high, excessive overlap develops.

Raindrop Hollow Cone Nozzles Size RA-2 through RA-6 require 50 mesh screens Raindrop Hollow Cone Nozzles Size RA-8 and larger does not require strain

1. Manual Requires that the pressure side hose come up the operator station into either a single or multiple (usually three-section) boom control. T

5. Tee-Jet 844 Computer One of two new controllers offered by Spraying Systems, this is the simple computer by Tee-Jet. Complete weather proofing a

M SPD (speed) UP on the left and right screen and also sounding an alarm. It will also flash SLO DN when the sprayer is being driven too fast. In fac

2. Foam Markers A good spray practice is the use of some device to mark the outside boundaries of each spray swath. Foam markers are advisable. Foa

5. Clean Air Cabs These are cabs that cover the operator’s station from about the seat area upwards. They are not sealed, but rely on the positive pr

2. TECHNICAL INFORMATION AND FORMULAS AREA & SPEED Distance (feet) x 0.68 = Travel Speed (MPH) Travel Time (seconds) Speed Time Required in

3. INTRODUCTION TO CALIBRATION number of acceptable methods for calibrating a turf sprayer are widely available. Two methods are described later in

Table of Contents Description Page Introduction 1 Safety Precautions 1 1. Application 2 2. Technical Information and Formulas 15 3

4. BOOM SPRAYER CALIBRATION A. PREPARATION 1. Before adding any chemical, fill the sprayer tank with one-half of the desired amount of water. It

1. THE NOZZLE CHART METHOD OF CALIBRATION a. Introduction The Nozzle Chart Method (see sample below) is useful when the sprayer nozzles are new o

b. CALIBRATION STEPS USING THE NOZZLE CHART METHOD Determine "HOW" your sprayer is to be calibrated from the list of variable factors avail

check application rate. f. FOR SPRAYERS WITH ELECTRONIC SPRAY CONTROL SYSTEMS On sprayers equipped with Electronic Spray Control Systems ("Spr

mathematical computations would be required.  To determine an area which is 1/128 of an acre: On nozzles with 20 inch (51 cm) spacing, measure off

7. NOTE: As a practical matter, if high application rates are desired (above 75 GPA), the measured course length should be reduced by half (i.e. 102-

Nozzle Performance Chart 1 Nozzle Type: Spacing: Calibration:

Nozzle Performance Chart 2 Nozzle Type: Spacing: Calibration:

Nozzle Performance Chart 3 Nozzle Type: Spacing: Calibration:

Nozzle Performance Chart 4 Nozzle Type: Spacing: Calibration:

Nozzle Performance Chart 5 Nozzle Type: Spacing: Calibration:

Nozzle Performance Chart 6 Nozzle Type: Spacing: Calibration:

Collection Times for Sprayer Calibration Speed/ MPH Feet/Min Fixed Distance Minutes Seconds Seconds 2 176 204 1.159090909 69.54545455 70 2.1 184.8 204

INTRODUCTION This guide is intended to offer practical guidelines for the distribution of liquid chemicals over an area of turfgrass such as gol

1 APPLICATION A. – PUMPS USED FOR SPRAYING TURF he type of pump selected for the spraying is usually the determining factor in selecting pressure var

Other pumps less frequently used on turf sprayers are:  Roller pumps  Electric diaphragm pumps  Ceramic piston pumps  Turbine pumps B. - HOSE AND

For most operations, 1/2" (1 1/4 cm) inside diameter hose is adequate. Trees over 40 ft. (12 m) high require 3/4" (2 cm) inside diameter hos

Wet booms have been considered less than acceptable in the past for the following reasons. Some wet booms are made from inferior material and will su

charts are available at the end of this guide for some of the most popular tips used in the Turf industry. Do not confuse the term volume with applic