Operator Manual for John Deere H290 Harvester Head PDF Download

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John Deere H290 Harvester Head Operator’s Manual – PDF DOWNLOAD

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John Deere H290 Harvester Head Operator’s Manual – PDF DOWNLOAD

P/N: OMF070639_UQ
Language: English
Division: Forestry
Product Lines: Harvesting Heads
Publication Type: Operator’s Manuals
Associated Models: H290
Serial: (EJH290X00001)
Description: OPERATOR’S AND MAINTENANCE MANUAL

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere H290 Harvester Head Operator’s Manual – PDF DOWNLOAD

Contents 5
Warranty 7
Standard warranty clauses 7
Standard Warranty 7
Periodic Maintenance 7
Safety – Safety Features 8
Safety Features of the Harvester Head 8
Safety – General Precautions 9
General 9
Recognize Safety Information 9
Understand Signal Words 9
Follow Safety Instructions 9
Before Use 10
Safety – Operating Precautions 11
Operating Safety Precautions 11
Before a New Shift 11
Transport by Road 11
Prepare Harvester Head for Storage 11
Safety – Maintenance Precautions 13
General 13
Make Welding Repairs Safely 13
Working with Oils and Chemicals 14
Planning Your Work 15
General 15
Example of How a Map Sketch May Look 15
Thinning 18
General 18
Working Techniques for Thinning 19
Regeneration Harvesting 22
General 22
Working Techniques for Regeneration Harvesting 22
Felling 24
General 24
Stump Height 24
Felling Stage 24
When Felling on Sloping Ground 25
Felling Trees with Large Roots 27
Delimbing and Crosscutting 31
General 31
Maintenance – General 33
General 33
Maintenance Safety Precautions 33
Special Tools 35
Tightening Torques for Bolt Fastenings 36
Oils and Fluids 37
Instructions for Greasing 37
Oil and Fluid Recommendations 37
Periodic Maintenance 38
Maintenance Daily or after Every 10 Hours 38
Maintenance Weekly or after Every 50 Hours 39
Maintenance after Every 1000 Hours 40
Maintenance – Feeding Equipment 42
Feeding Rollers 42
Feeding Roller Motors 42
Maintenance – Saw Equipment 44
Saw Unit Safety 44
Saw Components 44
Description of Operation 44
Hydraulic Pressures and Volyme Flows 45
Chain Saw Maintenance 45
Cold Weather Use 47
Changing the Saw Chain 47
Sharpening the Saw Chain 49
Saw Chain Repair 53
Chain Lubrication System 56
Checking the Chain Lubrication System 57
Chain Tensioning in Conjunction with Sawing 57
Bleeding the Chain Tensioning System 58
Adjusting the Pressure of the Chain Tensioner 60
Adjusting the Top Saw Chain Tension 60
Saw Chain Troubleshooting 60
Saw Bar Maintenance 67
Changing the Saw Bar 71
Changing the Bar Holder 72
Adjusting the Sensors 73
Saw Bar Troubleshooting 73
Replacing the Tip Sprocket 79
Maintenance – Length Measuring System 84
Replacing the pulse sensor 84
Maintenance – Diameter Measuring System 86
General 86
Checking the Set Values 86
Adjustment 86
Checking the Diameter Potentiometer 87
Demounting the Diameter Sensor 87
Mounting the Diameter Sensor 89
Maintenance – Delimbing Knives 91
Sharpening 91
Troubleshooting 92
Checklist 92
Troubleshooting 92
Hydraulic System 95
General 95
Hydraulic Components of the Harvester Head 95
Hydraulic Components of the Valve Block 95
Electric Connectors, Valve Block 97
Hydraulic Diagrams 99
Checking and Adjusting Pressures 105
Checking the Settings of the Main Pressure Relief Valve (9) 105
Adjusting the Main Pressure Relief Valve (9) 106
Checking/Adjusting the Pressing Pressure Pilot Valve for Delimbi 106
Checking/Adjusting the Feed Roller Pressing Pressure Pilot Valve 108
Checking/Adjusting the Measuring Wheel Pressure Reduce Valve (70 110
Checking/Adjusting the Pressure Reduce Valve (57) for Feed Forwa 110
Electrical System 112
General 112
Control and Measuring System 112
Replacing an Electric Lead in HHM Connectors 112
Connectors in HHM 113
Wiring Diagrams 116
Optional Equipment – Color Marking Systems 131
Before Use 131
Maintenance 131
Useful Tips 133
When not in Use 134
Technical Data 135
H290 Harvester Head 135
Page Number 5
Section 0-1 7
Section 1-1 8
Section 1-2 9
Section 1-3 11
Section 1-4 13
Section 2-1 15
Section 2-2 18
Section 2-3 22
Section 2-4 24
Section 2-5 31
Section 3-1 33
Section 3-2 37
Section 3-3 38
Section 3-4 42
Section 3-5 44
Section 3-6 84
Section 3-7 86
Section 3-8 91
Section 4-1 92
Section 5-1 95
Section 6-1 112
Section 7-1 131
Section 8-1 135

S.V 03/24