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L-1914 Rev. B 16.
TOWING VEHICLE REQUIREMENTS
The lawn sprayer requires towing equipment with a 12-volt battery
and charging system, and a towbar hitch in order to operate prop-
erly.
The towing equipment should have operable brakes capable of
controlling the loaded sprayer and towing vehicle.
CALIBRATION OF SPEED
By measuring off a distance of 50 or 100 feet, the speed of the tow-
ing vehicle can be calibrated by selecting a gear and throttle posi-
tion to cover the prescribed distance in the specified time as
shown:
CALCULATION PROCEDURE FOR SPRAYER
APPLICATION
Chemical labels normally show application rates in gallons per
acre or gallons per square feet. Using the following method, one
can determine the appropriate amount of water to use and speed
to travel to adequately follow the manufactures recommended
instructions.
1. Based on the size of your yard, select the amount of water to
be used. Use the formula:
Application Rate x Area to be sprayed = Amount of water
(from the Table1).
Example 1
Example 2
Yard Size= 4 acresYard Size= 20,000 sf
Using the Table 1 and the above formula:
56.5 gal/ acre x 4acres= 225.6 gal@ 2mph 1.3 gal/ 1000 x 20,000sf= 26 gal@ 2mph
37.5 gal/ acre x 4acres= 149.6 gal@ 3mph 0.9 gal/ 1000 x 20,000sf= 18 gal@ 3mph
28.0 gal/ acre x 4acres= 112.0 gal@ 4mph 0.6 gal/ 1000 x 20,000sf= 12 gal@ 4mph
22.5 gal/ acre x 4acres= 90.00 gal@ 5mph 0.5 gal/ 1000 x 20,000sf= 10 gal@ 5mph
2. Choose the speed / amount of water you want to use.
Example 1
Example 2
A comfortable speed Since 18 gallons can be
for a lawn tractor is done with only one filling:
3 mph.
Choice = 149.6 ~ 150 gal@ 3mph Choice = 18 gallons @ 3mph
3. Determine how many tanks are required to complete the total
job:
Amount of Water / Tank Capacity = Number of tanks from
Step 1.
If the number of tanks is less than 1.0 use 1.0
Example 1
Example 2
150 gal/ 25 = 6.0 tanks 18 gal/ 25 = 0.7 tanks use 1.0 tank
4. Determine how much chemical is to be used:
Example 1
Example 2
Label = 20 ounces/acre Label = 1/2 pint/ 1000 sq. ft.
20 oz. x 4 acres = 80 oz. 1/2pt/1000 x 20,000 sf = 10 pints
5. Determine how much chemical per tank:
Example 1 Example 2
80oz./ 6.0 tanks = 13.3 oz./tank 10 pints/ 1 tank = 10 pints
Speed (mph) Seconds required to travel
50 feet 100 Feet
2
17 34
3
11 22
4
917
5
714
Rate From
Manufacturer’s Label
Area to be
X Sprayed
Amount of
= Chemical Required
Amount of Chem
(from Step 4.)
# of Tanks
(from Step 3.)
Amount of
Chemical per tank
OPERATION