John Deere H480C Harvester Head Operator’s Manual – PDF DOWNLOAD

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John Deere H480C Harvester Head Operator’s Manual – PDF DOWNLOAD

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John Deere H480C Harvester Head Operator’s Manual – PDF DOWNLOAD

P/N: OMF075260_UQ
Language: English
Division: Forestry
Product Lines: Harvesting Heads
Publication Type: Operator’s Manuals
Associated Models: H480C
Series: C SERIES
Serial: (EJH480C001001-)

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere H480C Harvester Head Operator’s Manual – PDF DOWNLOAD

Contents 7
Warranty 9
Standard Warranty Clauses 9
Standard Warranty 9
Periodic Maintenance 9
Safety – General Precautions 10
General 10
Recognize Safety Information 10
Understand Signal Words 10
Follow Safety Instructions 11
Before Use 12
Safety – Operating Precautions 13
Operating Safety Precautions 13
Before a New Shift 14
Transport by Road 14
Prepare Harvester Head for Storage 15
Safety – Maintenance Precautions 16
General 16
Make Welding Repairs Safely 18
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
Tightening Torques for Bolt Fastenings 44
Oils and Fluids 45
Instructions for Greasing 45
Oil and Fluid Recommendations 46
Periodic Maintenance 47
Maintenance Daily or after Every 10 Hours 47
Maintenance Weekly or after Every 50 Hours 49
Maintenance after Every 1000 Hours 49
Maintenance – Feeding System 50
Feeding Rollers 50
Feeding Roller Motors 50
SuperCut Saw Equipment 51
Saw Components 51
Special Tools 51
Description of Operation 53
Maintenance 53
Changing the Saw Chain 54
Chain Lubrication System 55
Checking the chain lubrication system 56
Chain Tensioning in Conjunction with Sawing 57
Bleeding the Chain Tensioning System 58
Adjusting the Pressure of the Chain Tensioner 59
Changing the Saw Bar 60
Changing the Bar Holder 61
Adjusting the Sensors 62
Maintenance – Saw Equipment 63
Saw Unit Safety 63
The Main Components of the Saw Unit 64
Chain Saw Maintenance 65
Cold Weather Use 67
Tightening the Saw Chain 68
Sharpening the Saw Chain 69
Saw Chain Repair 74
Saw Chain Troubleshooting 77
Saw Bar Maintenance 84
Saw Bar Troubleshooting 88
Replacing the Tip Sprocket 95
Replacing the Drive Sprocket 96
Maintenance – Length Measuring System 98
Replacing the Pulse Sensor 98
Maintenance – Diameter Measuring System 102
General 102
Checking the Set Values 102
Adjustment 103
Checking the Diameter Potentiometer 104
Demounting the Diameter Sensor 105
Mounting the Diameter Sensor 108
Maintenance – Delimbing Knives 109
Sharpening 109
Troubleshooting 111
Checklist 111
Troubleshooting 113
Hydraulic System 116
General 116
Hydraulic Components of the Harvester Head 118
Hydraulic Components of the Valve Block 120
Electric Connectors, Valve Block 122
Checking and Adjusting Pressures 124
Checking the Settings of the Main Pressure Relief Valve (9) 125
Adjusting the Main Pressure Relief Valve (9) 126
Checking/Adjusting the Pressing Pressure Pilot Valve for Delimbing Knives, Lower Delimbing Knives (31), Upper Delimbing Knives (31) 126
Checking/Adjusting the Feed Roller Pressing Pressure Pilot Valve (31) 128
Checking/Adjusting the Measuring Wheel Pressure Reduce Valve (70) 131
Checking/Adjusting the Pressure Reduce Valve (57) for Feed Forward 131
Pressure Relief Valve (45) of the Harvester Head Lift 132
Electrical System 133
General 133
Control and Measuring System 134
Replacing an Electric Lead in HHM Connectors 135
Connectors in HHM 136
Optional Equipment – Color Marking Systems 140
General 140
Before Use 141
Maintenance 144
Useful Tips 147
When not in Use 147
Optional Equipment – FlashCut 148
Function 148
Optional Equipment – Opening Upper Delimbing Knife 149
Main Components of the Opening Upper Delimbing Knife 149
Function 150
Maintenance 151
Hydraulic Coupling 152
Optional Equipment – Butterfly Knife 153
Main Components of the Butterfly Knife 153
Function 154
Maintenance 155
Adjusting the Pressure of the Butterfly Knife 155
Technical Data 157
Measures 157
Feed 158
Felling and Sawing 158
Delimbing 159
Optional Equipments 160

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