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Series VIII 8321, 8324, 8326, 8328,
Read the operator's manual entirely. When you see this symbol, the
subsequent instructions and warnings are serious - follow without
exception. Your life and the lives of others depend on it!
Illustrations may show optional equipment not supplied with standard unit.
ORIGINAL INSTRUCTIONS
© Copyright 2025
Table of Contents
Index
Operator Manual
Discovator (Disc & Coulter)
8333, 8537, 8544, 8548 & 8552
Manufacturing, Inc.
www.greatplainsmfg.com
Printed 2025-04-07
Index
41419
EN
550-353M
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Table of Contents
Related Manuals for GREAT PLAINS 8333
Summarization of Contents
Important Safety Information
Safety Symbols and Signal Words
Explains hazard symbols and signal words used for safety.
Emergency Preparedness and Decals
Guidance on emergency readiness and understanding safety decals.
Personal Protective Equipment
Guidelines on wearing protective clothing and equipment.
Safe Chemical and Fluid Handling
Safe practices for handling agricultural chemicals and high-pressure fluids.
Transport, Shutdown, and Tire Safety
Procedures for safe transport, shutdown, and tire maintenance.
Safe Maintenance and Operation
Guidelines for performing maintenance and general machine operation safely.
Specific Hazard Decals
Details and placement of various safety decals and associated hazards.
Introduction
Models Covered
Lists the various models of the Discovator covered by this manual.
Unit Description
Provides an overview of the Series VIII Discovator and its capabilities.
Manuals and Using This Manual
Lists related manuals and provides guidance on using the operator's manual.
Owner Assistance
Information on how to get help from dealers and the manufacturer.
Further Assistance
Contact information for Great Plains Service Department.
Preparation and Setup
Pre-Field Checklist
A checklist of essential tasks before taking the machine to the field.
Hitching Tractor to Discovator
Step-by-step instructions for safely connecting the tractor to the Discovator.
Hydraulic Hose Hookup
Guide to connecting hydraulic hoses based on color coding.
Machine Leveling Adjustments
Steps for leveling the machine front-to-back and side-to-side.
Gauge Wheel and Depth Settings
How to set gauge wheels and calibrate disc gang depth.
Field Operation of Disc Gangs
Guidelines for operating disc gangs in the field.
Operating Instructions
Pre-Start Checklist
Tasks to perform before transporting the Discovator to the field.
Transporting Procedures
Guidelines for safely transporting the machine, including tractor configuration.
General In-Field Adjustments
Procedures for operating and making adjustments in the field.
Scraper Settings
How to adjust and set scrapers for optimal performance.
Rear Attachment Settings
Adjusting settings for rear attachments like spike drags.
Coil Tine and Reel Settings
Adjustments for coil tine and reel attachments.
Maintenance and Lubrication
Routine Maintenance Checks
Essential maintenance tasks for the Discovator.
Lubrication Points and Intervals
Guide to lubrication points and service intervals.
Wheel Bearing Hub Service
Information on lubricating and servicing wheel bearings.
Hinge Point Lubrication
Lubrication instructions for inside and outside wing hinge points.
Walking Beam Pivot Bearing Service
Lubrication and service for walking beam pivot bearings.
Troubleshooting
General Performance Issues
Diagnosing and resolving common problems related to overall machine performance.
Coulter/Disc Gang Performance
Troubleshooting issues specific to coulter and disc gangs.
Sweep/Shank Performance
Addressing problems related to sweep and shank operations.
Transport Troubleshooting
Solutions for issues encountered during machine transport.
Appendix
DV Specifications and Capacities
Detailed specifications and capacities for various DV models.
Tire Inflation and Warranty
Information on tire pressure requirements and warranty details.
Hydraulic Connectors and Torque
Guide to hydraulic connectors and torque specifications.
Torque Values Chart
Comprehensive chart of torque values for various bolts.
Need help?
Do you have a question about the 8333 and is the answer not in the manual?
Questions and answers