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

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

FILE DETAILS:

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

P/N: F070639_QL
Language: English
Division: Forestry
Product Lines: Harvesting Heads
Publication Type: Operator’s Manuals
Associated Models: H290
Series: HARVESTING HEADS SERIES
Serial: EJH290X00001

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

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

Contents 7
Warranty 9
Standard warranty clauses 9
Standard Warranty 9
Periodic Maintenance 9
Safety – Safety Features 10
Safety Features of the Harvester Head 10
Safety – General Precautions 11
General 11
Recognize Safety Information 11
Understand Signal Words 11
Follow Safety Instructions 12
Before Use 13
Safety – Operating Precautions 14
Operating Safety Precautions 14
Before a New Shift 15
Transport by Road 15
Prepare Harvester Head for Storage 16
Safety – Maintenance Precautions 17
General 17
Working with Oils and Chemicals 19
Planning Your Work 20
General 20
Example of How a Map Sketch May Look 22
Thinning 24
General 24
Working Techniques for Thinning 26
Regeneration Harvesting 29
General 29
Working Techniques for Regeneration Harvesting 29
Felling 32
General 32
Stump Height 32
Felling Stage 33
When Felling on Sloping Ground 34
Felling Trees with Large Roots 36
Delimbing and Crosscutting 39
General 39
Maintenance – General 41
General 41
Maintenance Safety Precautions 42
Special Tools 43
Tightening Torques for Bolt Fastenings 46
Oils and Fluids 47
Instructions for Greasing 47
Oil and Fluid Recommendations 48
Periodic Maintenance 49
Maintenance Daily or after Every 10 Hours 49
Maintenance Weekly or after Every 50 Hours 51
Maintenance after Every 250 Hours 51
Maintenance after Every 950 Hours 52
Maintenance – Feeding Equipment 53
Feeding Rollers 53
Feeding Roller Motors 54
Maintenance – Saw Equipment 55
Saw Unit Safety 55
Saw Components 56
Description of Operation 57
Hydraulic Pressures and Volyme Flows 57
Chain Saw Maintenance 58
Changing the Saw Chain 59
Sharpening ( 404 Chain Pitch) 60
Dos and Don’ts of Saw Chain Sharpening 61
Chain Lubrication System 62
Checking the Chain Lubrication System 63
Chain Tensioning in Conjunction with Sawing 64
Bleeding the Chain Tensioning System 65
Adjusting the Pressure of the Chain Tensioner 66
Adjusting the Top Saw Chain Tension 66
Saw Bar Maintenance 67
Changing the Saw Bar 68
Changing the Bar Holder 69
Adjusting the Sensors 70
Checking/Replacing the Tip Sprocket 71
Maintenance – Length Measuring System 72
General 72
Replacing the pulse sensor 73
Maintenance – Diameter Measuring System 74
General 74
Checking the TJ 3000 / Timbermatic™ 300 Set Values 75
Adjustment 76
Demounting the Diameter Sensor, Tj 3000 / Timbermatic™ 300 77
Mounting the Diameter Sensor 79
Maintenance – Delimbing Knives 80
Sharpening 80
Troubleshooting 81
Checklist 81
Troubleshooting 83
Hydraulic System 86
General 86
Hydraulic Components of the Harvester Head 86
Hydraulic Components of the Valve Block 87
Electric Connectors, Valve Block 89
Hydraulic Diagrams 91
Checking and Adjusting Pressures 96
Checking the settings of the main pressure relief valve (9) 97
Adjusting the main pressure relief valve (9) 98
Checking/adjusting the pressing pressure pilot valve for delimbing knives, lower delimbing knives (31), upper delimbing knives (31) 98
Checking/adjusting the feed roller pressing pressure pilot valve (31) 100
Checking/adjusting the measuring wheel pressure reduce valve (70) / Checking/adjusting the throttle check valve (66) 103
Adjusting the saw bar movement speed by the throttle check valve (61) (standard saw equipment) 103
Checking/adjusting the pressure reduce valve (57) for feed forward 104
Electrical System 105
General 105
Control and Measuring System 106
Replacing an Electric Lead in HHM Connectors 107
Connectors in HHM 108
Connectors in MFM 3G+ (option) 112
Wiring Diagrams 114
Optional Equipment – Color Marking Systems 120
Before Use 120
Maintenance 123
Useful Tips 125
When not in Use 125
Technical Data 126
H290 Harvester Head 126

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