John Deere H754 Harvester Head Operator’s Manual – PDF DOWNLOAD

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John Deere H754 Harvester Head Operator’s Manual – PDF DOWNLOAD

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John Deere H754 Harvester Head Operator’s Manual – PDF DOWNLOAD

P/N: F069700_RK
Language: English
Division: Forestry
Product Lines: Harvesting Heads
Publication Type: Operator’s Manuals
Associated Models: H754
Series: HARVESTING HEADS SERIES
Serial: EJH754X000562-

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere H754 Harvester Head Operator’s Manual – PDF DOWNLOAD

Contents 5
Warranty 9
Standard warranty clauses 9
Standard Warranty 9
Periodic Maintenance 9
Safety – Safety Features 10
Safety Features of the H754 Harvester Heads 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
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 48
Maintenance after Every 250 Hours 48
Maintenance – Feeding Equipment 49
Feeding Rollers 49
Feeding Roller Motors 50
Maintenance – Saw Equipment 51
General 51
Saw Unit Safety 52
The Main Components of the Saw Unit 54
Description of Operation 55
Labeling 56
Chain Saw Maintenance 57
Replacing the Saw Chain 58
Adjusting the Saw Chain Tension 60
Sharpening ( 404 Chain Pitch) 61
Dos and Don’ts of Saw Chain Sharpening 62
Replacing the Chain Lubrication Pump and Cleaning the Suction Strainer 63
Replacing the Drive Sprocket 65
Replacing the Saw Bar 66
Changing the Fastening Plates of the Saw Bar 67
Changing the Seal of the Oval Groove in the Saw Bar 68
Saw Bar Maintenance 69
Adjusting of the Saw Bar Home Position Sensor 71
Adjusting of the Saw Bar Position Sensor 72
Checking/Replacing the Tip Sprocket 74
Replacing the Saw Motor 75
Changing the Saw Motor Shaft Seal 77
Cleaning/Replacing the Check Valve in the Saw Lubrication Pump 78
Replacing the Saw Bearing Package 79
Maintenance – Length Measuring System 81
General 81
Replacing the Pulse Sensor, Leine&Linde 83
Replacing the Pulse Sensor, Emeta 84
Maintenance – Diameter Measuring System 85
General 85
Checking the TJ 3000 / Timbermatic™ 300 Set Values 86
Checking the Diameter Potentiometer, Timbermatic™ 10 3G+ 87
Adjustment 88
Demounting the Diameter Sensor, TJ 3000 / Timbermatic™ 300 89
Demounting the Diameter Sensor, Timbermatic™ 10 91
Mounting the diameter sensor 93
Maintenance – Delimbing Knives 94
Sharpening 94
Tensioning the Expander Pin of the Lower Delimbing Knife 95
Troubleshooting 96
Checklist 96
Troubleshooting 98
Hydraulic System 101
General 101
Hydraulic Components of the Harvester Head 102
Hydraulic Components of the Valve Block 104
Hydraulic Diagrams 106
Checking and Adjusting Pressures 112
Adjusting the Main Pressure Relief Valve (39) 113
Checking the Adjustment of the Main Pressure Relief Valve (39) 114
Checking/Adjusting the Pressure Reducing Valve (34) for the High Pressure of the Upper Delimbing Knives 115
Checking/Adjusting the Pressure Reducing Valve (32) for the Low Pressure of the Upper Delimbing Knives 116
Checking/Adjusting the Pressure Reducing Valve (24) for the Lower Squeeze Pressure of the Feeding Rollers 117
Checking/Adjusting the Pressure Reducing Valve (26) for the Higher Squeeze Pressure of the Feeding Rollers 118
Checking/Adjusting the Pressure Relief Valve (9) of the Harvester Head Lift 119
Adjusting the Pressure Relief Valve (6) of the Pressing Power on the Saw 120
Pressure Relief Valve (FlashCut) of the Saw Bar Pressing Pressure (option) 121
Checking/Adjusting the Pressure Reducing Valve (18) for the High Pressure of the Lower Delimbing Knives 122
Checking/Adjusting the Pressure Reducing Valve (16) for the Low Pressure of the Lower Delimbing Knives 123
Adjusting the Throttle Check Valve (53) 124
Adjusting the Pilot Pressure 124
Adjusting the Pressing Pressure of the Measuring Wheel (option) 125
Pressure of the Saw Bar Locking 125
Electrical System 126
General 126
Control and Measuring System 127
Replacing an Electric Lead in HHM Connectors 128
Connectors in HHM 129
Connectors in MFM 3G+ (option) 133
Wiring Diagrams 136
Optional Equipment – Color Marking Systems 146
General 146
Before Use 147
Maintenance 150
Useful Tips 153
When not in Use 153
Optional Equipment – SuperCut Saw Equipment 154
Saw Components 154
Hydraulic Pressures and Volyme Flows 154
Tightening Torques for Bolt Fastenings 155
Maintenance 155
Special Tools 155
Description of Operation 157
Chain Tensioning in Conjunction with Sawing 158
Bleeding the Chain Tensioning System 159
Adjusting the Pressure of the Chain Tensioner 160
Changing the Saw Chain 161
Changing the Saw Bar 162
Changing the Bar Holder 163
Chain Lubrication System 164
Bleeding the Chain Lubrication System 165
Adjusting the Sensors 166
Optional Equipment – FlashCut 167
Function 167
Technical Data 168
H754 Harvester Head 168
Page Numbers 5
Section 0-1 9
1 9
Section 1-1 10
1 10
Section 1-2 11
1 11
2 12
3 13
Section 1-3 14
1 14
2 15
3 16
Section 1-4 17
1 17
2 18
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Section 2-1 20
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4 23
Section 2-2 24
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Section 2-3 29
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Section 2-4 32
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Section 2-5 39
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Section 3-1 41
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Section 3-2 45
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Section 3-3 47
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Section 3-4 49
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Section 3-5 51
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Section 3-6 81
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Section 3-7 85
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Section 3-8 94
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Section 4-1 96
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Section 5-1 101
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Section 6-1 126
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Section 7-1 146
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Section 7-2 154
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Section 7-3 167
1 167
Section 8-1 168
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3 170

S.V 03/24