John Deere 750A Grain Drill Operator Manual OMA125534

Table of Content:

1 Introduction
1.1 Foreword
1.2 A Message to Our Customers
1.3 Identification Views
1.4 Predelivery Inspection
2 Safety
2.1 Recognize Safety Information
2.2 Understand Signal Words
2.3 Follow Safety Instructions
2.4 Keep Riders Off Machine
2.5 Practice Safe Maintenance
2.6 Prepare for Emergencies
2.7 Wear Protective Clothing
2.8 Handle Agricultural Chemicals Safely
2.9 Use Safety Lights and Devices
2.10 Use a Safety Chain
2.11 Follow Tire Recommendations
2.12 Transport Safely
2.13 Tow Loads Safely
2.14 Avoid High-Pressure Fluids
2.15 Remove Paint Before Welding or Heating
2.16 Avoid Heating Near Pressurized Fluid Lines
2.17 Decommissioning — Proper Recycling and Disposal of Fluids and Components
2.18 Store Attachments Safely
2.19 Replace Safety Signs
2.20 Service Accumulator Systems Safely
2.21 Stay Clear of Air Hoses
2.22 Use a Signal Person
2.23 Use Steps and Handholds Correctly
2.24 Operator Ability
2.25 Service Safely
2.26 Operate Safely
2.27 Service Tires Safely
3 Safety Signs
3.1 Pictorial Safety Signs
3.2 Operator’s Manual
3.3 Maintenance and Repair
3.4 Folding Outer Units (4 and 6 m Machines Only)
3.5 Locking the Outer Units (6 m Machine Only)
3.6 Unfolding Outer Units (4 and 6 m Machines Only)
3.7 Markers (3 and 4 m Machines Only)
3.8 Access Ladder and Platform
3.9 Locking the Openers
3.10 Compressed Air Tank
4 Preparing the Tractor
4.1 For All Tractors
4.2 Hitch Weights
4.3 Rockshaft Selector
4.4 Link Lengths
4.5 Sway Blocks
4.6 Selective Control Valve (SCV)
4.7 Conditions for Use of Blower
4.8 Recommendations for Hydraulic Connections
4.9 Adjust Mechanical Selective Control Valves
4.10 Install Marker and Outer Unit Control Switch
4.11 Install Lever Lock Clip—Tractors with Mechanical SCV Controls
5 Preparing the Grain Drill
5.1 Configure the Blower Control Valve
5.2 Check Tire Pressure
5.3 Install Suitcase Weights for Ballast
5.4 Lubricate the Grain Drill
5.5 Seed Opener Components and Adjustments
5.6 Lock-Up Rockshafts and Openers
5.7 Adjust Depth Gauge Wheel and Seeding Depth
5.8 Adjust Press and Closing Wheel Downforce
5.9 Position Closing Wheel
5.10 Adjust Seed Boots
5.11 Check Opener Adjustments
6 Attaching and Detaching
6.1 Attach Tractor with Quick-Hitch (Two-Point Hitch Only)
6.2 Attaching Tractor without Quick-Hitch (Two-Point Hitch Only)
6.3 Hydraulic and Electrical Connections
6.4 Connect Drill to Tractor
6.5 Detach Drill from Tractor
6.6 Store the Electronic Connector
6.7 Store Hydraulic Hoses and Wiring Harness
7 Transporting
7.1 Lighting and Marking
7.2 Empty Drill for Road Travel
7.3 Attach Parking Brake Lever Rope
7.4 Transport the Drill
7.5 Convert to Transport Width
7.6 Hydraulic Trailer Brake
7.7 Trailer Air Brake (3, 4, and 6 m Machines)
7.8 Moving the Drill When Air Brake is Disconnected (Not on Public Roads)
7.9 Compressed Air Tank
7.10 Brake Cylinder for Air Actuated Brakes
7.11 Brake Pressure Test Port
7.12 Engaging Parking Brake
8 Operating the Grain Drill
8.1 Guidelines for Use
8.2 Principles of the Active Downforce System
8.3 Use Lever Lock Clip
8.4 Adjust Active Hydraulic Downforce (Tractors with Closed Center Hydraulics)
8.5 Adjust Single Point Hydraulic Downforce (Tractors with Open Center Hydraulics)
8.6 Fold and Unfold the Outer Units (4 and 6 m Drill Only)
8.7 Fold and Unfold Track Markers and Outer Units
8.8 Open the Seed Hopper Cover
8.9 Adjust the Track Markers
8.10 Remove and Install Rapeseed Brush
8.11 Remove and Install the Meter Seal
9 Operating the Pneumatic Drill System
9.1 General Description
9.2 Adjust Blower Speed
9.3 Read and Set Seed Meter
9.4 Calibrate the Meter Manually
9.5 Engage the Standard Meter System or Micrometer System
9.6 Calibration Chart—Normal Seed (Approximate Values)
9.7 Calibration Chart—Fine Seed (Approximate Values)
9.8 Adjusting the Tramlines
9.9 Track Widths of Tractors in Relation to Row Spacing
9.10 Example of Tramlining
9.11 The Most Frequent Combinations of Drill and Sprayer (Tramline Rhythms)
9.12 Odd- and Even-Numbered Tramline Rhythms
9.13 Examples of Possible Tramlining Rhythms
9.14 Check the Drill
9.15 Operate the Drill in the Field
9.16 Check the Sowing Operation
9.17 Select the Correct Ground Speed and Maintain Blower Speed
9.18 Turning With the Drill
9.19 Clear a Blockage From Delivery Hose
9.20 Empty the Seed Hopper and Metering Device
9.21 Treated Seed
9.22 When Not in Use
10 GreenStar™ Seed Drill Monitor System
10.1 Safety
10.2 Components of the Electronic Seed Control System
10.3 Specifications
10.4 Controller Functions
10.5 Monitor Installation
10.6 Use with GreenStar™ Monitors
10.7 Monitor Controls
10.8 Monitor Power Up and Power Down
10.9 Standard Buttons
10.10 Drill Application Buttons
10.11 Input Entry Methods
10.12 Screen Navigation
10.13 Check the Implement Width in Performance Monitor
10.14 Radar Configuration
10.15 Calibrate the Radar
10.16 Configure the Machine
10.17 Alarms
10.18 Seed Rate and Calibration
10.19 Variable Rate and Section Control
10.20 Quick Start
10.21 Tramline Setup
10.22 Track Sensor Setup
10.23 Procedures Required Before Drill Operation
10.24 Operate the Drill with a GreenStar™ Monitor System
10.25 Monitor Harness and Drill Disconnect
11 Signus Seed Drill Monitor System
11.1 Safety
11.2 Components of the Electronic Seed Control System
11.3 Specifications
11.4 Controller Functions
11.5 Monitor Installation
11.6 Signus Monitor Operation
11.7 Alarms
11.8 Marker Operation
11.9 Machine Width Setup
11.10 Seed Rate Setup
11.11 Tramline Setup
11.12 Track Sensor Setup
11.13 Operate the Drill with Signus Monitor System
11.14 Monitor Harness and Drill Disconnect
12 Attachments
12.1 General Information
12.2 Open Center Tractor Bundle
12.3 Open Center Change Valve Bundle
12.4 Adapter Cable for 7000, 7020 and 8000 Series Tractors
12.5 Wheel Chocks
12.6 Road Light Kit
12.7 Additional Weight
12.8 Coil Tine Harrow Kit
13 Lubrication and Maintenance
13.1 Multipurpose Extreme Pressure (EP) Grease
13.2 Alternative and Synthetic Lubricants
13.3 Lubrication Symbols
13.4 Lock-Up the Openers
13.5 Service Intervals
13.6 Tongue Pivot Point—Every 10 Hours
13.7 Check Wheel Bearings—500 Hours
13.8 Metering Device Drive Chain—Annually
13.9 Lubricate Seed Opener
13.10 Check Opener Pivot Points—ProSeries™ Openers
14 Troubleshooting
14.1 Openers
14.2 Opener Downforce System
14.3 Pneumatic Drill System
14.4 Signus and GreenStar™/ISOBUS
14.5 Blower
15 Servicing
15.1 Metric Bolt and Screw Torque Values
15.2 Unified Inch Bolt and Screw Torque Values
15.3 Metric Face Seal and O-Ring Stud End Fitting Torque Chart—Standard Applications
15.4 Metric Face Seal and O-Ring Stud End Fitting Torque Chart—Heavy-Duty Applications
15.5 SAE Face Seal and O-Ring Stud End Fitting Torque Chart—Standard Applications
15.6 SAE Face Seal and O-Ring Stud End Fitting Torque Chart—Heavy-Duty Applications
15.7 Face-Seal-Fitting Assembly and Installation—All Pressure Applications
15.8 Practice Safe Maintenance
15.9 Welding Near Electronic Control Units
15.10 Keep Electronic Control Unit Connectors Clean
15.11 Inspect Lift Circuit Hoses
15.12 Replacing Ground Engaging Tools
15.13 Work in Clean Area
15.14 Handle Agricultural Chemicals Safely
15.15 Service Tires Safely
15.16 Welding Near Electronic Control Units
15.17 Keep Electronic Control Unit Connectors Clean
15.18 Preventing Contamination
15.19 Hydraulic Hose Replacement
15.20 Remove and Repair Hydraulic Cylinders
15.21 Route the Hydraulic Hoses
15.22 Bleed Trapped Air from Cylinders
15.23 Opener Control Hydraulic Diagram (Tractor with Closed-Center Hydraulic System)
15.24 Opener Control Hydraulic Diagram (Tractor with Open-Center Hydraulic System)
15.25 Opener Control Hydraulic Diagram (Tractor with Open or Closed-Center Hydraulic System)
15.26 Track Marker and Wing Fold Hydraulic Diagram—3 m (10 ft) Drill
15.27 Track Marker and Wing Fold Hydraulic Diagram—4 m (13 ft) Drill
15.28 Track Marker and Wing Fold Hydraulic Diagram—6 m (20 ft) Drill
15.29 Lock-Up the Openers
15.30 Clean the Drill
15.31 Check Wheel Bolts and Wheel Bearings
15.32 Replace Disk and Hub Assembly
15.33 Inspect Boots and Disks
15.34 Replace Seed Boots and Deflectors
15.35 Repair Smooth-Sided Depth Gauge Wheel Assembly
15.36 Repair Steel Depth Gauge Wheel Assembly
15.37 Repair Spoked Depth Gauge Wheel Assembly
15.38 Check Depth Gauge Wheel Clearance—All Depth Gauge Wheels
15.39 Replace Opener Arm Pivot Bushings
15.40 Repair Closing Wheel Assembly
15.41 Repair Press Wheel Assembly
15.42 Adjust Seed Drill Control Sensors
15.43 Adjust the Wheel Reed Switch
16 Storing
16.1 Prepare Drill for Storage
16.2 Store the Pneumatic Drill System
16.3 Remove Drill from Storage
17 Specifications
17.1 Tractor Recommendations
17.2 Specifications
17.3 Opener Specifications
17.4 Product Identification Plate
17.5 Serial Number
17.6 Keep Proof of Ownership
17.7 Keep Machines Secure
17.8 EU Declaration of Conformity
18 Index
19 John Deere Service Keeps You On The Job
19.1 John Deere Parts
19.2 The Right Tools
19.3 Well-Trained Technicians
19.4 Prompt Service