John Deere H424 Harvester Head Operator’s Manual F720081 – PDF DOWNLOAD

TABLE OF CONTENTS:

John Deere H424 Harvester Head Operator’s Manual F720081 – PDF DOWNLOAD

Table of Contents 2
1 Foreword 7
1 1 Copyright 7
1 2 Foreword 7
1 3 Declaration of Incorporation 7
1 4 General assembly instructions 8
1 5 Product identification 8
1 6 Base machine requirements 9
1 7 Standard warranty 9
2 Safety 10
2 1 Follow Laws and Regulations 10
2 1 1 Recognize Safety Information 10
2 1 2 Understand Signal Words 11
2 1 3 Prepare for Emergencies 11
2 1 4 Wear Protective Clothing 12
2 1 5 Handle Chemical Products Safely 12
2 1 6 Cabin protective structures 13
2 2 Operating the harvester head 14
2 2 1 Attach Do not Operate Tag 15
2 2 2 Pay Attention to Bystanders 15
2 2 3 Operate the Boom Safely 16
2 2 4 Keep Danger Zone Clear 16
2 2 5 Avoid saw chain shots 17
2 2 6 Avoid Crush Points 18
2 2 7 Avoid Power Lines 18
2 2 8 What To Do If the Machine Catches Fire? 19
2 2 9 After a fire 19
2 3 Maintenance 20
2 3 1 Keep Machine in Good Condition 20
2 3 2 Use Proper Clothing 21
2 3 3 Use Proper Tools 21
2 3 4 Support Machine Properly 22
2 3 5 Avoid High Pressure Fluids 22
2 3 6 Avoid Heating near Pressurized Fluid Lines 23
2 3 7 Make Welding Repairs Safely 23
2 3 8 Dispose of Waste Properly 24
2 4 Safety Decal Locations H424 24
3 Specifications 25
3 1 Harvester head brochure 25
3 2 Harvester head specifications 25
3 3 General hydraulic system requirements 26
3 4 General hose and fitting requirements 26
3 5 Key characteristics 27
3 6 Harvester head components (H424) 28
4 Transportation and storage 29
4 1 Preparing for storage 29
4 2 Harvester head fastening for transportation, H424 / H425 30
5 Harvesting instructions 31
5 1 Planning the work 31
5 1 1 Example of map sketch 32
5 2 Thinning 32
5 2 1 Thinning with harvester alone 33
5 2 2 Thinning with harvester and chain saw 34
5 2 3 Thinning between logging roads 34
5 3 Regeneration harvesting 35
5 3 1 Felling into trees 35
5 3 2 Felling outwards from the stand 36
5 3 3 Felling in both directions 36
5 4 Felling 37
5 4 1 Felling stage 37
5 4 2 Felling on slope 38
5 4 3 Felling trees with large roots 38
5 5 Delimbing and crosscutting 39
6 Systems and Components 40
6 1 Delimbing knives 40
6 1 1 Delimbing quality 41
6 1 2 Advantages of sharp knives 42
6 1 3 Delimbing knives cylinders 42
6 2 Four roller feeding 43
6 2 1 Feed rollers 44
6 2 1 1 Inner roller alternatives 45
6 2 1 2 Outer roller alternatives 46
6 2 2 Grabbing 47
6 3 Saw unit, SuperCut 100S 48
6 3 1 Saw feeding mechanism 49
6 3 2 Saw chains and saw bars (SuperCut 100S) 50
6 3 3 Chain oil lubrication system 51
6 3 3 1 Saw unit lubrication pump 52
6 3 3 1 1 Alternative capacities 53
6 3 3 2 Stroke pump alternatives 53
6 3 3 3 Chain oil tank 54
6 3 4 Chain grease lubrication system 55
6 3 4 1 Grease pump functions 56
6 3 4 2 Grease pump components 57
6 3 4 3 Meter valves 58
6 3 5 Chain shot guard 59
6 3 6 Saw sensor 60
6 4 Sensors 61
6 5 Length measuring 61
6 5 1 Length measuring device, cast measuring wheel arm (H424) 62
6 5 1 1 Length measuring device with cast measuring arm, components 63
6 5 2 Length measuring device with cast measuring wheel arm and BEI-256 sensor (H423/H424/H425) 64
6 5 2 1 Length measuring device with cast measuring wheel arm and BEI-256 sensor, components 65
6 5 3 Measuring wheel alternatives 66
6 6 Diameter measuring device, upper knives 67
6 7 PEvo harvester head valve 68
6 7 1 Hydraulic functions 69
6 7 2 PEvo connectors 70
6 7 3 HHC (L22) connectors (H424) 71
6 8 Hydraulic hoses 72
6 9 Optional equipment 72
6 9 1 Multi-Tree Handling unit 73
6 9 1 1 Multi-Tree Handling (MTH) 74
6 9 1 2 MTH universal components 75
6 9 2 Color marking unit 76
6 9 2 1 Nozzles in saw box 77
6 9 2 2 Nozzles in lower knife 78
6 9 3 Stump treatment 79
6 9 4 Processing delimbing knife 80
6 10 Tutorial videos for main harvester head components 80
7 General maintenance 82
7 1 General 82
7 2 Preparations 83
7 3 Tutorial video for harvester head daily maintenance 83
7 4 Welding instructions 84
7 5 H424 tightening torques 85
7 6 Conical sleeve pin tightening 86
7 7 Fluids and lubricants 87
7 8 Filling capacities 88
7 9 Hydraulic pressure measurements 89
7 9 1 Main relief valve pressure 90
7 9 2 Low pressure‌ 91
7 9 3 Pilot pressure 92
7 9 4 Saw chain tensioning pressure 93
7 9 5 Length measuring pressure 94
7 9 6 Color marking pump pressure 95
7 9 7 MAF pressure 96
7 10 Control system pressure settings of delimbing knives and feed rollers 96
7 11 Special tools 97
7 11 1 Extractor tool for Deutsch™ connectors 98
7 11 2 Saw motor installation tool 99
7 11 3 Assembly tool for feed cylinder piston gasket 100
7 11 4 Check valve installation tool 100
7 11 5 Pulse sensor tool 101
7 11 6 Hook spanners 101
7 11 7 Sharpening gauge 102
8 Periodic maintenance 103
8 1 Service intervals 103
8 2 Every 10 hours 104
8 2 1 Check diameter measuring device 105
8 2 2 Check chain lubrication system 106
8 2 3 Fill chain oil tank 107
8 2 4 Fill grease lubrication container 108
8 2 5 Maintain color marking unit 109
8 3 Every 25 hours 110
8 3 1 Grease front side of head 110
8 3 1 1 Grease and check length measuring device with cast measuring wheel arm 111
8 3 1 2 Grease and check length measuring device with cast measuring wheel arm and contactless BEI-256 sensor 112
8 3 1 3 Grease roller arm cylinders 113
8 3 2 Grease right side of head 114
8 3 2 1 Upper delimbing knife 115
8 3 2 2 Feed roller arm 116
8 3 2 3 Lower delimbing knife 117
8 3 2 4 Tilt 118
8 3 3 Grease left side of head 119
8 3 3 1 Upper delimbing knife 120
8 3 3 2 Feed roller arm 121
8 3 3 3 Lower delimbing knife 121
8 3 3 4 Tilt 122
8 3 4 Grease saw unit 122
8 3 5 Grease hose bracket swivel 123
8 3 6 Grease multi-tree handling unit 124
8 4 Every 50 hours 124
8 4 1 Grease upper knife shaft housing 125
8 4 2 Grease diameter sensor housing 125
8 4 3 Grease the bar holder (SuperCut 100S) 126
8 4 4 Grease rotator and link 127
8 4 5 Check harvester head mounting 128
8 4 6 Tighten rotator vertical pins (HX 30) 129
8 5 Every 1000 hours 130
8 5 1 Measure hydraulic pressures 130
8 5 2 Check 130
8 5 3 Clean saw chain oil strainer 131
8 5 4 Clean color marking tank strainer 131
8 5 5 Clean rotator magnetic plug 132
8 5 6 Sharpen delimbing knives 133
8 5 6 1 Back bevel 135
8 5 7 Tighten rotator screws 136
8 5 8 Tighten rotator vertical pins (HX 30) 137
8 6 As required 138
8 6 1 Saw unit maintenance 138
8 6 1 1 Saw chain components 139
8 6 1 1 1 Changing the Saw Chain (SuperCut 100S) 140
8 6 1 1 2 Sharpening the saw chain 140
8 6 1 1 2 1 Using a grinder for sharpening 141
8 6 1 1 2 2 Using a round-file for sharpening 142
8 6 1 1 2 3 Depth gauges 143
8 6 1 1 3 Repairing the saw chain 144
8 6 1 1 3 1 Installing new chain parts 145
8 6 1 2 Chain tensioning 145
8 6 1 2 1 Bleed chain tensioning system (SuperCut 100S) 146
8 6 1 3 Saw bar 146
8 6 1 3 1 Basic inspection 147
8 6 1 3 2 Changing the saw bar (SuperCut 100S) 148
8 6 1 3 3 Changing the Bar Holder (SuperCut 100S) 149
8 6 1 3 4 Straightening the saw bar 149
8 6 1 3 4 1 Bent bars 150
8 6 1 3 4 2 Twisted bars 151
8 6 1 4 Replacing saw sensor 152
8 6 1 5 Adjusting saw sensor wheel 153
8 6 1 6 Replacing drive sprocket 154
8 6 1 7 Replacing tip sprocket 155
8 6 1 8 Removing saw motor 156
8 6 1 9 Replacing chain shot guard 157
8 6 2 Inspect chain shot guard 158
8 6 2 1 Identification of excessive wear and damage 159
8 6 3 Color marking maintenance 159
8 6 3 1 Check and clean the nozzles 160
8 6 3 2 Check the color supply 161
8 6 3 3 Check the pump 162
8 6 3 4 Bleed color marking unit 163
8 6 3 5 Change the color of the color marking unit 164
8 6 4 Grease lubrication maintenance 164
8 6 4 1 Fill grease lubrication pump 165
8 6 4 2 Bleed grease lubrication pump 166
8 6 4 3 Change lubrication volume 167
8 6 5 Replace length sensor, device with cast measuring wheel arm and BEI with coupling 168
8 6 6 Replace length sensor, device with cast measuring wheel arm and contactless BEI-256 sensor 169
8 6 7 Adjust diameter sensor 170
8 6 8 Stump treatment system maintenance 171
8 6 9 Check rotator blue plug (Indexator HX 30) 172
Index 173
Attachments 176
Declaration of Incorporation template_harvester_head_en 177
JD_Harvesterheads_200_400series_EN 182

S.V 04/24