Earthway Spreader-Calibration User Manual

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Using the EV-N-SPRED®
Dual Port PRO Adjustable EarthWay
	EV-N-SPRED	R
Shut-Off System

The EV-N-SPRED® Dual Port PRO Adjustable Shut-Off System is included on all EarthWay® professional models and allows the operator to balance the spread pattern evenly across the full 180o spread width, regardless of the

or size of granular material. By closing either the right and or left side throwing ports you can balance the spread pattern to exacting precision without compromising spread width or application rate.

Each EV-N-SPRED® Dual Port PRO Adjustable Shut-Off System drop hole has a corresponding 1/3rd coverage area on the spread width of the spreader leaving a feathered-edge for overlapping the spread path. The illustration to the right shows each port and the corresponding 1/3rd coverage area of the spread path. These ports can be adjusted to effectively balance the spread pattern, giving equal amounts of material across the full 180o spread pattern.

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Adjustable Throwing Ports with 8 repeatable settings to balance the left or right spread pattern to

the center.

	EV-N-SPRED® Dual Port PRO System Setup
	Test all material prior to beginning your spreading job. You will need a 50’
	measuring tape, a small scale to weigh the material, bucket or container to hold
	the material for re-weighing, chalk or a line marking device, and (7) low baking tins.
	Using the EarthWay® Bag Calibrator #77016 can greatly reduce the time needed for
	determining the Setting Rates on any material but is not				Gauge & Lever
	mandatory to establish a setting rate.	FINE	MEDIUM	LARGE
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	1. Evaluate the material being spread by comparing it to
	the following standard as a reference.

Large/Heavy is the size of a BB (⅛ in / 3mm), spread width is 9 - 12 feet (2.8 - 3.7 meters

Medium/Mixed (½ the size of a BB), spread width is 7 - 9 feet (2.1 - 2.8 meters)

Small/Fine (the size of sand), spread width is 5 - 7 feet (1.5 - 2.1 meters)

2.Add a small amount of the material into the spreader, enough to cover the bottom (2 - 3 in / 5 - 7 cm) and begin to test for spread width.

Set the stop on the gauge to #15 and push the spreader several feet /meters at normal walking speed on a flat hard surface (where the material will be visible), and OPEN the lever to the STOP while continuing to walk for 3-4 paces, and CLOSE the shut-off and STOP (don’t move the spreader from that position). Measure the spread width and evaluate the spread pattern for even distribution on either side of the spread width center line. TIP: Typical spread width references are listed above. The spread width that you measure is used to calculate the actual Setting Rate for the material.

SPREAD WIDTH

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ADJUSTING THE EV-N-SPRED® DUAL PORT SHUT-OFF SYSTEM

3.Next, using the (7) low baking tins position, them in a straight line on 2ft centers across the spread width as shown at the right.

Adjust the left or right variable throwing ports to EVEN THE SPREAD pattern. TIP: For large/heavy materials, close the LEFT SIDE (BLUE) port slightly before

you start your EV-N-SPRED® test. For small/light materials, open the LEFT SIDE (BLUE) port fully and close the RIGHT SIDE (RED) port slightly before you start your EV-N-SPRED® test. With BOTH ports closed, the spread is only from the center port, and will give you a 3-4ft spread width in the center of the spreader - great for medians.

Begin pushing the spreader several feet before the line of tins and at normal walking speed. Walk along the Center Line, and OPEN the Lever to the STOP 3-4 paces before the line of tins and continue walking past the tins 1 or 2 paces and CLOSE the Lever and STOP.

Visually evaluate the material in the baking tins to determine if your spread pattern is balanced - having the same amount of material in each baking tin.

Empty each tin back into the spreader, adjust the ports and RETEST until you are satisfied that the coverage is balanced.

Spread width	Length needed for	Spread width	Length needed for
in feet	1,000 Sq Ft	in feet	1,000 Sq Ft
7	142’ 11”	14	71’ 5”
8	125’	15	66’ 8”
9	111’ 1”	16	62’ 6”
10	100’	17	58’ 10”
11	90’ 11”	18	55’ 7”
12	83’ 4”	19	52’ 7”
13	76’ 11”	20	50’

2’ 2’ 2’

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2’				2’				2’

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ESTABLISH THE SETTING RATE

4.Remove the material from the hopper, and mark the distance that you need to travel with the spreader to attain the designated coverage area - i.e. 1,000 square feet using the spread width you determined earlier. Above is a chart to help determine the distance needed for 1,000 square foot calculation.

Mark the START and END POINTS on the surface required for the test.Weigh a small amount (10-20lbs/4-9kg) of the material, and add that into to the

spreader. Using the Setting Matrix included with the spreader, estimate a setting rate based on material manufacturers recommendations and adjust the STOP on the Gauge to that position.

Now to test, start walking 1-2 paces before the START LINE and OPEN the Lever to the stop and then CLOSE when you cross the END POINT LINE.

Pour the remaining material from the spreader and weigh to calculate the amount applied over the area. Adjust the Setting Rate to a higher number if you need to increase the application rate, or to a lower number if you applied too much in the test.

You may need to repeat this process to acquire the exact rate.

The EV-N-SPRED® Dual Port PRO Adjustable Shut-Off System ensures that EarthWay® Professional spreaders evenly spread all types of fertilizers, seed, ice melt, or other granular products, and is only available from EarthWay®.

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COVERAGE AREA i.e. 1,000 SQ FT

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