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How to Install a Tray

First ensure the hopper is clean and there is no debris trapped around the tray 

mounting area. Secondly install the Pivot Rod Clip

 into the Shut-off of the 

selected Tray

. Next, insert the Pivot Rod

 into the Clip

.  

TIP:

 The Clip

 

may have a burr in the hole, use a Phillips screwdriver to remove the burr. 

See

 to make installing the Pivot Rod

 easier. Pliers may be required to help 

squeeze the Pivot Rod

into the Clip

. When the Rod

 is secure inside the 

Clip

 push the free end of the Clip

 over the Pivot Rod

 to firmly secure the 

rod to the clip. Next, install the Tray

 from the top downwards into the hopper 

(see figure

) positioning the center hole of the tray over the Pinion Shaft from 

the gear box with the Pivot Rod through the bottom of the hopper and facing 

toward the spreader’s handlebar. For ease of locating into position the shut-off 

of the chosen tray is best in the open position, with the exception of the red 

Standard-Output Tray where the two adjustable throwing ports are best in the 

closed position. 

NOTE:

 The gearbox can be moved along the axle to ease the lining up of 

the tray hole and the pinion shaft. Once the tray is in place check that the tray 

is sealed and flush against the hopper sides. To check if the tray is properly 

located, push the tray edges downwards. Install the two quarter turn fasteners 

(see figure

) through the two exposed tray holes and push down and twist a 

quarter turn to secure. 

Lastly, connect the free end of the Pivot Rod

 into the Pivot linkage at the 

bottom of the Control Rod. Position the Clip

 into the free hole and 

push the Pivot Rod

 into the clip. 

TIP:

 The Clip

 may have 

a burr in the hole, use a Phillips screwdriver to remove the 

burr (see figure

) When the Pivot Rod

 is positioned inside 

the Clip

 push the free end of the Clip

 over the Pivot Rod

 

to firmly secure the rod and the clip together.

How to ensure your spreader is 

properly calibrated

HIGH-OUTPUT 

and

 LOW-OUTPUT Trays:

 Make sure 

the drop holes in the bottom of the hopper are 

FULLY 

CLOSED

 when the Rate Control Lever is resting on the Stop 

#0.  If the shut-off is not set correctly, please adjust Control 

Rod at the Pivot to position the shut-off for 

FULLY CLOSED

 at position at 

the Stop #0 on the Rate Control Lever. 

Calibration Adjustment

Review the Control Lever position to confirm that it is set so that the forward 

edge of the Lever is resting at #0 (the stop) and the drop holes are closed. 

Move the spreader back & forth to ensure that the cam is positioned to allow 

the Oscillating Shut-off to close fully. If the shut-off is not properly positioned, 

you will need to adjust the Control Rod at the Pivot Bracket shown below.  

TIP:

 If your shut-off is not able to 

CLOSE

 fully, loosen the top nut a few 

turns, then tighten the lower nut so that it allows you to push the 

shut-off fully closed

.  Next, tighten each nut so that they 

contact the pivot bracket without moving it, and then carefully tighten each nut fully so they do not loosen during use.  Recheck 

adjustment as outlined above.

continued

EarthWay

®

 Flex-Select

®

 

Calibration and Setup Techniques

©2014 Earthway Products, Inc. All rights reserved. EarthWay® EV-N-SPRED®, 

FLEX-SELECT

®, and SPRAY-PRO® are registered trademarks of Earthway Products, Inc. 

Use of trademarks are prohibited unless approved by Earthway Products, Inc. 1009 Maple Street Bristol, Indiana 46507

STANDARD-OUTPUT 

PRO  F13130DKIT

Red Tray

install Pivot Rod

from the bottom

to the top

LOW-OUTPUT

F13130LKIT

Black Tray

install Pivot Rod

from the top

to the bottom

HIGH-OUTPUT

F13130HKIT

Blue Tray

install Pivot Rod

from the bottom

to the top

Deburr

Rod Clip

Shut-Off End

Shut-Off End

Shut-Off End

1

3

2

1

3

2

1

3

2

4

5

Quarter Turn

Tray Fastener

6

0

30

PIVOT

CALIBRATION 

POINT

GAUGE & 

LEVER

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