Digi-Star JD1790 User Manual

John Deere

JD1790 New Style (2004 – present)

JD1790 Refuge Opt ion

Planter Scale

Instructions

And

Repair Parts

Ft. Atkinson, Wisconsin USA

Panningen, The Netherlands

www.digi-star.com

D3861-US – Rev A May 5, 2010

Table Of Contents

TABLE OF CONTENTS

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

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

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

Rear Leg Assembly ....................................................................................................................................................................................... 3

SCALE BRACKET AND LOAD CELL MOUNTING INSTALLATION ................................................................................................................. 4

Front Leg Assembly ....................................................................................................................................................................................... 4

SCALE BRACKET AND LOAD CELL MOUNTING INSTALLATION FOR REFUGE HOPPER ......................................................................... 6

JUNCTION BOX MOUNTING ............................................................................................................................................................................ 7

Connect Load Cell and J-Box Cable .............................................................................................................................................................. 7

Installing wires into Terminal Block ................................................................................................................................................................ 7

INDICATOR MOUNTING ................................................................................................................................................................................... 8

Power Connection: ........................................................................................................................................................................................ 8

Load Cell Connection:.................................................................................................................................................................................... 8

TROUBLE SHOOTING ...................................................................................................................................................................................... 9

How to Check the Planter Scale after Installation .......................................................................................................................................... 9

REPAIR PARTS .............................................................................................................................................................................................. 10

406133 Kit – Scale JD1790 (2004-present) ................................................................................................................................................. 10

406134 Kit – Scale JD1790 (2004-present), Indicator in Tractor Cab .......................................................................................................... 10

INDICATOR SWIVEL MOUNT ........................................................................................................................................................................ 11

LICENSE AGREEMENT .................................................................................................................................................................................. 12

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 det ecte d, Digi-St a r wo uld gr eatl y ap pr eciate
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 D3861-US – Rev A

Introduction

p

INTRODUCTION

Congratulations on the purchase of your new Digi-Star Planter Scale for John Deere 1790 (2004-present)
series planter.

The scale system is specially designed to weigh the central commodity seed hopper. The scale will record and
monitor seed weight 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 12).

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

O

tional

Disconnect
all cords

J-Box

D3861-US – Rev A John Deere Planter Scale 1

Scale Bracket and Load Cell Mounting Installation

SCALE BRACKET AND LOAD CELL MOUNTING INSTALLATION

The John Deere 1790 Planter Scale Kit consists of mounting three load cells. The illustration below highlights
the location of each load cell:

2 John Deere Planter Scale D3861-US – Rev A

Scale Bracket and Load Cell Mounting Installation

Rear Leg Assembly

1. Assemble the load cell assemblies as shown.

IMPORTANT

: The load cell arrow located on the end of

both REAR LOAD CELLS needs to be pointed UP.

2. Support the side of the hopper unit.

IMPORTANT

: The lifting chains,
bucket attachments, loader/skid steer
or winch must be capable of lifting
and controlling 1000-1500 lbs.
Remove leg and install the load cell
assembly. Use the existing bolts on
the top and bottom bracket. Use the
3/4" x 4” bolts to hold the load cell in
place. Tighten all bolts and repeat for
opposite side.

D3861-US – Rev A John Deere Planter Scale 3