Digi-Star JD 1720 User Manual

John Deere/Orthman Mfg.

JD1720 Deere CCS

Planter Scale

Instructions

And

Repair Parts

Ft. Atkinson, Wisconsin USA

Panningen, The Netherlands

www.digi-star.com

D3880-US – Rev B June 16, 2011

Table Of Contents

TABLE OF CONTENTS

INTRODUCTION ...................................................................................................................................................................................... 1

Charging Battery and Welding ............................................................................................................................................................... 1

SCALE BRACKET AND LOAD CELL MOUNTING INSTALLATION ........................................................................................................... 2

Front Load Cell Assembly ..................................................................................................................................................................... 3

Rear Load Cell Assembly ...................................................................................................................................................................... 5

JD1720 30” or 38”/40” Row Spacing ................................................................................................................................................. 6

JD1720 22”/36” Row Spacing ........................................................................................................................................................... 7

JUNCTION BOX MOUNTING ................................................................................................................................................................... 8

Connect Load Cell and J-Box Cable ...................................................................................................................................................... 8

Installing wires into Terminal Block ........................................................................................................................................................ 8

INDICATOR MOUNTING .......................................................................................................................................................................... 9

Power Connection:................................................................................................................................................................................ 9

Load Cell Connection: ........................................................................................................................................................................... 9

TROUBLE SHOOTING ........................................................................................................................................................................... 10

How to Check the Drill Scale after Installation ...................................................................................................................................... 10

REPAIR PARTS ..................................................................................................................................................................................... 11

406957 Kit – Scale JD1720 30” or 38”/40” Row Spacing ...................................................................................................................... 11

406678 Kit – Scale JD1720 22”/36” Row Spacing ................................................................................................................................ 12

INDICATOR SWIVEL MOUNT ................................................................................................................................................................ 13

LICENSE AGREEMENT ......................................................................................................................................................................... 14

All rights reserved. Reproduction of any part of this manual in any form whatsoever without Digi-Star’s express written permission is forbidden. The contents of this manual are subject
to change without notice. All efforts have been made to assure the accuracy of the contents of this manual. However, should any errors be detected, Digi-Star would greatly appreciate
being informed of them. The above notwithstanding, Digi-Star can assume no responsibility for errors in this manual or their consequence.

© Copyright! 2008 Digi-Star, Fort Atkinson (U.S.A.).

John Deere Planter Scale D3880-US – Rev B

Introduction

p

INTRODUCTION

Congratulations on the purchase of your new Digi-Star Planter Scale for John Deere/Orthman Mfg. 1720 DB
series planter.

The scale system is specially designed to weigh the central commodity seed hopper. The scale will record and
monitor seed weigh going into or out of the CCS hopper.

This scale system is covered by the following US patents: 6732667, 7059258 and 7273017. The single-use
license is included with this document (see page 14).

This

SAFETY ALERT SYMBOL

symbol, be alert to the possibility of

NEVER OPERATE WITHOUT ALL COVERS, SHIELDS AND GUARDS IN PLACE. KEEP
HANDS, FEET AND CLOTHING AWAY FROM MOVING PARTS. FAILURE TO HEED MAY RESULT IN
SERIOUS PERSONAL INJURY OR DEATH.

Some covers and guards have been removed for illustrative/photographic purposes only in this manual.

For information on ordering repair parts, refer to Parts Section in this book.

This supersedes all previous published instructions.

indicates important safety messages in the manual. When you see this

PERSONAL INJURY

and carefully read the message that follows.

Important!

Charging Battery and Welding

Disconnect all cables from the weighing indicator before charging the battery or welding on the machine. If
cables are left connected, the weighing indicator and connected load cells could be damaged.

Important:

Do not weld near indicator, load cells or cables; remove from area to be welded. Place ground

close to area to be welded to prevent current from passing through electronic parts.

Scale Indicator

Remote Indicator

tional

O

Disconnect
all cords

J-Box

D3880-US – Rev B John Deere Planter Scale 1

Scale Bracket and Load Cell Mounting Installation

SCALE BRACKET AN D LOA D CE LL MOUNTI NG INSTALLATI ON

The John Deere/Orthman Mfg. planter scale kit consists of mounting three load cells. The illustration below
highlights the location of each load cell.

FIGURE 1

2 John Deere Planter Scale D3880-US – Rev B

Scale Bracket and Load Cell Mounting Installation

Front Load Cell Assembly

1. Remove the four b olts from the fr ont leg supp ort. Li ft or jack the sup port.

IMPORTANT

: The lifting
chains, bucket attachments, loader/skid steer or winch must be capable of lifting and controlling 1000-
1500 lbs.

2. Install the front angle-iron supports on top of the planter mounting plate. Secure with four 5/8 x .2.0
bolts and 5/8 top-lock fla ng e nuts .

3. Install the long side of the load
cell into the planter leg using
3/4 x 4.0 clevis pin and 5/32 x

1.0 cotter pin.

IMPORTANT:

Load cell arrow
decal must point upward (see
Detail A).

4. Slide weld-middle bracket ont o
front of load cell. Secure with
3/4 x 4.0 clevis pin and 5/32 x

1.0 cotter pin.

5. Bolt the weld-middle bracket to
the front an gle-iron supp ort
using 5/8 x 2.0 bolt and 5/8
top-lock flang e nu t.

6. Install the front hose support
to the front an gle-iron supp ort
using 5/8 x 1.5 bolts and 5/8
top-lock flang e nu ts.

FIGURE 2

D3880-US – Rev B John Deere Planter Scale 3