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Sp rea d patte rn, Using the ev-n-spred, Dual port pro adjustable shut-off system – Earthway F130P FLEX-SELECT Series User Manual

Page 6

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Using the EV-N-SPRED

®

Dual Port PRO

Adjustable Shut-Off System

The EV-N-SPRED

®

Dual Port PRO Adjustable Shut-Off System is included on all professional models and

allows the operator to balance the spread pattern evenly across the full 180

o

spread width, regardless of the

weight 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

1/3

rd

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

1/3

rd

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 180

o

spread pattern.

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 mandatory to

establish a setting rate.

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 28 - 36 feet (8.5 -

11 meters)
Medium/Mixed (½ the size of a BB), spread width is 20 - 24 feet (6.1 - 7.3 meters)
Small/Fine (the size of sand), spread width is 16 - 18 feet (4.8 - 5.5 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.

Sp

rea

d Patte

rn

Adjustable Throwing Ports

with 8 repeatable settings

to balance the left or right

spread pattern to

the center.

Sp

rea

d Patte

rn

SPREAD WIDTH

Gauge & Lever

15

FINE

MEDIUM

LARGE

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