Operator Manual for John Deere 745 Harvester Head PDF

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John Deere 745 Harvester Head Operator’s Manual – PDF DOWNLOAD

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John Deere 745 Harvester Head Operator’s Manual – PDF DOWNLOAD

P/N: F069746_RK
Language: English
Division: Forestry
Product Lines: Harvesting Heads
Publication Type: Operator’s Manuals
Associated Models: 745
Series: HARVESTING HEADS SERIES
Serial: EJ0745X000764-

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 745 Harvester Head Operator’s Manual – PDF DOWNLOAD

Contents 5
Warranty 7
Standard warranty clauses 7
Standard Warranty 7
Periodic Maintenance 7
Safety – General Precautions 8
General 8
Recognize Safety Information 8
Understand Signal Words 8
Follow Safety Instructions 9
Before Use 10
Safety – Operating Precautions 11
Operating Safety Precautions 11
Before a New Shift 12
Transport by Road 12
Prepare Harvester Head for Storage 13
Safety – Maintenance Precautions 14
General 14
Working with Oils and Chemicals 16
Planning Your Work 17
General 17
Example of How a Map Sketch May Look 18
Thinning 20
General 20
Working Techniques for Thinning 22
Regeneration Harvesting 25
General 25
Working Techniques for Regeneration Harvesting 25
Felling 28
General 28
Stump Height 28
Felling Stage 29
When Felling on Sloping Ground 30
Felling Trees with Large Roots 32
Delimbing and Crosscutting 35
General 35
Maintenance – General 37
General 37
Maintenance Safety Precautions 38
Tightening Torques for Bolt Fastenings 40
Oils and Fluids 41
Instructions for Greasing 41
Oil and Fluid Recommendations 42
Periodic Maintenance 43
Daily maintenance or after every 10 hours 43
Maintenance Weekly or after Every 50 Hours 44
Maintenance after every 250 hours 44
Maintenance – Feeding System 45
Feeding Rollers 45
Tightening the Feeding Roller Chains 46
Feeding Roller Motors 47
The Feeding Roller Hubs at the Bevel Shaft 47
Maintenance – Saw Unit 48
Saw Unit Safety 48
General 49
Chain Saw Maintenance 52
Tightening the Saw Chain 53
Replacing The Drive Sprocket 54
Replacing the Saw Chain and the Saw Bar 55
Sharpening ( 404 Chain Pitch) 56
Dos and Don’ts of Saw Chain Sharpening 57
Saw Bar Maintenance 58
Installation of Inductive Switches 59
Checking/Replacing the Tip Sprocket 63
Maintenance – Length Measuring System 64
Replacing the Pulse Sensor 64
Maintenance – Diameter Measuring System 67
General 67
Checking the TJ 3000 / Timbermatic™ 300 Set Values 68
Checking the Diameter Potentiometer, Timbermatic™ 10 69
Adjustment 70
Demounting the Diameter Sensor, Tj 3000 / Timbermatic™ 300 71
Demounting the Diameter Sensor, Timbermatic™ 10 72
Mounting the Diameter Sensor 73
Maintenance – Delimbing Knives 74
Sharpening 74
Troubleshooting 75
Checklist 75
Troubleshooting 77
Hydraulic System 80
General 80
Hydraulic Components of the Harvester Head 82
Hydraulic Diagrams 84
Checking and Adjusting Pressures 86
Adjusting the Main Pressure Relief Valve (13) 87
Checking the Adjustment of the Main Pressure Relief Valve (13) 88
Pressure Reducing Valve (41) for the Upper Pressure of the Upper Delimbing Knives 89
Pressure Reducing Valve (34) for the Lower Pressure of the Upper Delimbing Knives 90
Pressure Reducing Valve (28) for the Lower Squeeze Pressure of the Feeding Rollers 91
Pressure Reducing Valve (29) for the Increased Squeeze Pressure of the Feeding Rollers 92
Pressure Relief Valve (31) of the Harvester Head Lift 93
Pressure Relief Valve (36) of the Pressing Power on the Saw 94
Flow Control Check Valve (70) 94
Adjusting the Pilot Pressure 95
Electrical System 96
General 96
Control and Measuring System 97
Replacing an Electric Lead in HHM Connectors 98
Connectors in HHM 99
Connectors in HM (option) 103
Wiring Diagrams 106
Optional Equipment – Color Marking Systems 114
Before Use 114
Maintenance, OM Color Marking Equipment 116
Maintenance, SuperMark Color Marking Equipment 118
Useful Tips 119
When not in Use 120
Optional Equipment – SuperCut Saw Equipment 121
Saw Components 121
Hydraulic Pressures and Volyme Flows 121
Tightening Torques for Bolt Fastenings 122
Maintenance 122
Special Tools 122
Description of Operation 124
Chain Tensioning in Conjunction with Sawing 125
Bleeding the Chain Tensioning System 126
Adjusting the Pressure of the Chain Tensioner 127
Changing the Saw Chain 128
Changing the Saw Bar 129
Changing the Bar Holder 130
Chain Lubrication System 131
Bleeding the Chain Lubrication System 132
Adjusting the Sensors 133
Hydraulic Diagrams 134
Technical Data 136
Measures 136
Feed 136
Felling and Sawing 137
Delimbing 137
Optional Equipments 137

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