John Deere DB90 Planters Installation Instructions Manual A109654H-PDF DOWNLOAD
FILE DETAILS:
John Deere DB90 Planters Installation Instructions Manual A109654H-PDF DOWNLOAD
Language :English
Pages :112
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
John Deere DB90 Planters Installation Instructions Manual A109654H-PDF DOWNLOAD
Individual Row Hydraulic
Downforce for DB90
Planters
Contents 5
Safety 7
Recognize Safety Information 7
Understand Signal Words 7
Park Machine Safely 7
Follow Safety Instructions 8
Replace Safety Signs 8
Work in Clean Area 8
Avoid High-Pressure Fluids 9
Live With Safety 9
Support Machine Properly 9
Protect Against Noise 10
Use Proper Tools 10
Wear Protective Clothing 10
Use Proper Lifting Equipment 11
Precautions for Welding 11
Welding 12
General 13
Face-Seal-Fitting Assembly and Installation—All Pressure Applications 13
Metric Face Seal and O-Ring Stud End Fitting Torque Chart—Standard Pressures 14
SAE Face Seal and O-Ring Stud End Fitting Torque Chart—Standard Pressures 15
Service Recommendations For Flare-Type Tube Fittings 16
Service Recommendations For SAE Series Four Bolt Flange Fittings 17
Service Recommendations for Metric Series Four Bolt Flange Fitting 18
Unified Inch Bolt and Screw Torque Values 19
Metric Bolt and Screw Torque Values 20
Recommendations for Hydraulic Connections 21
Row Unit Updates 24
Depressurize the Pneumatic Downforce System 24
Remove the Existing Pneumatic Downforce Springs 25
Replace the Parallel Arm Hardware 26
BA33641 — Install the Actuators 28
BA33646 — Install the ExactEmerge™ Row Unit Harness 32
BA33647 — Install the MaxEmerge™ 5e Row Unit Harness 34
BA32946 and BA33294 — Remove and Install the Downforce Sensor 38
BA33644 — Install the Safety Decals 39
BA33367 — Install the Priority Valve (Planter Power Generation) 40
Hoses and Fittings 42
BA33370 and BA33378 — Install the Actuator Fittings 42
BA33374, BA33375, BA33377 — Install the Actuator Fittings 43
BA33376 — Install the Actuator Fittings 44
BA33366 — Install the Combination Valve Block 46
BA33401 — Install the Supply Hoses (Tractor Power Generation) 48
BA33402 — Install the Supply Hoses (Planter Power Generation) 54
BA33403 — Install the Row Unit Hoses 67
System Startup 79
IRHD Configuration Setup 79
Parallel Arm Setup 81
Gauge Wheel Downforce Setup 88
Individual Row Hydraulic Downforce (IRHD) Initial Flush and Test 89
Valve Test (IRHD System Only) 91
Valve Flush Test (IRHD System Only) 92
Air Purge Test (IRHD System Only) 94
Accumulator Test (IRHD System Only) 95
Part Number Index 96
Adapters 96
Connectors 97
Elbows 98
Plugs 102
Quick Couplers 103
Reducers 104
T-Fittings 105
Unions 108
Brackets 109
Page Number 5
Section 05 7
Section 10 13
Section 15 24
Section 20 42
Section 25 79
Section 30 96
S.M 8/3/2025
