John Deere 20” STT DISC SAW FELLING HEAD Operator’s Manual PDF

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John Deere 20” STT DISC SAW FELLING HEAD Operator’s Manual – PDF DOWNLOAD

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John Deere 20” STT DISC SAW FELLING HEAD Operator’s Manual – PDF DOWNLOAD

P/N: OMF286570_SJ
Language: English
Division: Forestry
Product Lines: Felling Heads
Publication Type: Operator’s Manuals
Associated Models: 20 INCH
Serial: 950001 – 980952

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 20” STT DISC SAW FELLING HEAD Operator’s Manual – PDF DOWNLOAD

Section 1 – Introduction 7
1 1 Foreword 8
1 2 Model and Serial Number Record 9
1 3 Non-approved Field Product Changes 10
Section 2 – Warranty 11
2 1 Warranty Certificate 12
Section 3 – Safety Rules 13
3 1 General 14
3 2 Safety Symbol 14
3 3 Understanding Signal Words 14
3 4 General Safety Precautions 15
3 5 Operating Safety Precautions 18
3 6 Servicing Safety Precautions 19
3 7 Fire Prevention 22
Section 4 – Description 23
4 1 Nomenclature 24
4 1 1 20″ Felling Head (Swing to Tree) 24
4 2 Decal Application 25
4 2 1 20″ Swing to Tree Decal Location 25
4 3 Saw Drive Components 26
4 4 Saw Drive Description 27
4 5 Disc Saw Blade Description 28
4 5 1 Serial Number Location 28
4 5 2 Curved Carbide Tipped Blade 28
4 5 3 Hardened Tooth Blade 28
4 6 Disc Saw Blade and Tooth Data 29
Section 5 – Operation 31
5 1 Basic Operation 32
5 1 1 Principle of Operation 32
5 1 2 Blade Feeding Speed 32
5 1 3 General Method of Operation 33
5 1 4 Stopping The Disc Saw Blade 34
5 2 Operating Instructions 35
5 2 1 Cutting Multiple Trees 35
5 2 2 Cutting The Tree 37
Section 6 – Lubrication and Maintenance 39
6 1 Maintenance Schedule 40
6 2 Maintenance Procedures 41
6 2 1 General 41
6 2 2 Tools Required 42
6 2 3 Maintenance – First 25 Hours 43
6 2 4 Maintenance – 8 Hours 53
6 2 5 Maintenance – 175 Hours 56
6 2 6 Maintenance – 500 Hours 56
6 3 Unscheduled Maintenance 57
6 3 1 Disc Saw Blade Inspection 57
6 3 1 1 Saw Housing Restriction Inspection 58
6 3 2 Saw Tooth Replacement 59
6 3 3 Disc Saw Blade Removal 60
6 3 4 Disc Saw Blade Installation 63
6 3 5 Driveshaft Components 65
6 3 6 Driveshaft Removal 66
6 3 7 Driveshaft Assembly 71
6 3 8 Check Driveshaft End Play 78
6 3 9 Check All Hydraulic Hoses and Fittings 83
6 4 Fluids and Lubricants 84
6 4 1 Recommended Hydraulic System Fluids 84
Section 7 – Hydraulic System 85
7 1 Start-up Procedure 86
7 1 1 Initial Pump & Motor Start-up 86
7 2 Saw Speed Adjustment 88
7 2 1 Initial Saw Speed Adjustment 88
7 3 Pressure Setting 89
7 3 1 Initial Saw Circuit Begin of Stroke Adjustment & Pressure Setting 89
7 4 Saw Motor Cross Section and Schematic 91
Section 8 – Electrical System 93
8 1 Saw Speed Sense Equipment 94
8 2 Saw Speed Tachometer 96
Section 9 – Troubleshooting 97
9 1 Disc Saw Blade Stalling 98
9 1 1 Operator Technique 98
9 1 2 Disc Saw Blade Maintenance 98
9 1 3 Hydraulic 99
9 1 4 Can’t Obtain Maximum Blade Speed 100
Section 10 – Specifications 101
10 1 Dimensions 102
10 2 Specifications 103
10 2 1 General 103
10 2 2 Service Specifications By Model 104
Section 11 – Miscellaneous 109
11 1 Measurement Conversions 110
11 1 1 Miscellaneous Conversions 111
11 1 2 Metric and Imperial Unit Expressions 111
11 2 Wood Measurement Equivalents 112
11 3 Weights of Commercially Important Woods 113
11 4 General Bolt Torque Values 114
Section 12 – Index 115
Alphabetical Index 115

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