John Deere FR21B Felling Heads Operator’s Manual – PDF DOWNLOAD

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John Deere FR21B Felling Heads Operator’s Manual – PDF DOWNLOAD

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John Deere FR21B Felling Heads Operator’s Manual – PDF DOWNLOAD

P/N: OMT260115_QR
Language: English
Division: Forestry
Product Lines: Felling Heads
Publication Type: Operator’s Manuals
Associated Models: FR21B

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere FR21B Felling Heads Operator’s Manual – PDF DOWNLOAD

Contents 5
Safety and Operator Convenience Features 7
Felling Head Safety Operator Convenience Features 7
Safety—General Precautions 8
Recognize Safety Information 8
Follow Safety Instructions 8
Operate Only If Qualified 8
Wear Protective Equipment 8
Protect Against Flying Debris 9
Prevent Fires 9
Avoid Work Site Hazards 10
Avoid Unauthorized Machine Modifications 10
Inspect Attachment 11
Stay Clear Of Moving Parts 11
Avoid High-Pressure Fluids 11
Avoid High-Pressure Oils 12
Prepare for Emergencies 12
Control Pattern 12
Handle Chemical Products Safely 13
Dispose Of Waste Properly 13
Safety—Operating Precautions 14
Keep Riders Off Attachment 14
Avoid Machine Tipover 14
Use Special Care When Operating 14
Prevent Unintended Machine Movement 14
Operate Booms With Care 14
Add and Operate Attachments Safely 14
Avoid Power Lines 15
Safety—Maintenance Precautions 16
Park And Prepare For Service Safely 16
Use Proper Lifting Equipment 16
Remove Paint Before Welding or Heating 16
Make Welding Repairs Safely 16
Drive Metal Pins Safely 17
Service Machines Safely 17
Practice Safe Maintenance 17
Safety—Safety Signs 19
Safety Signs 19
Operation—Felling Head Components 20
FR Series Felling Head Components 20
Disc Saw Blade Components 21
Disc Saw Blade and Tooth Data 21
Operation—Felling Head 23
Basic Operation 23
Principle of Operation 23
Speed of Blade Feed 23
General Method of Operation 23
Stopping the Disc Saw Blade 24
Cutting Multiple Trees 24
Handle and Control The Tree 26
Maintenance—Periodic Maintenance 28
Service Machine at Specified Intervals 28
Prepare Machine for Maintenance 28
Locking Bolt Storage 28
Periodic Maintenance Table 29
Maintenance—Every 10 Hours 30
Check Saw Tooth Bolt Torque 30
Check Saw Tooth Condition 31
Check Disc Saw Blade Condition 32
Check Saw Housing Restriction 32
Lubricate Harvesting, Accumulating Arms and Cylinder Ends 34
Lubricate Driveshaft Bearings 34
Lubricate Rotate Bearings 35
Lubricate Rotate Gears 35
Check Driveshaft End Play 36
Maintenance—Every 100 Hours 38
Lubricate Driveshaft Motor Coupling 38
Clean Saw Motor Area 38
Check Lower Flange Plate Bolt Torque 38
Check Disc Saw Bade RPM 39
Check Hydraulic Pressure Setting 39
Check Wrist Gear Case Oil Level 39
Clean Grease Vent 39
Maintenance—Initial 250 Hours 41
Change High Rotation Wrist Gear Case Oil 41
Maintenance—Every 1000 Hours 42
Change High Rotation Wrist Gear Case Oil 42
Miscellaneous—Machine 43
Saw Tooth Replacement 43
Felling Head Frame Guard and Cover Plate Inspection 44
Check All Hydraulic Hoses and Fittings 44
Disc Saw Blade Gauge 45
Welding On Machine 47
Miscellaneous—Operational Checkout 48
Operational Checkout 48
Felling Head Operational Checkout 48
Miscellaneous—Serial Numbers 49
Felling Head Serial Numbers 49
Model and Serial Number Record 49
Miscellaneous—Specifications 51
General Specifications—FR21B Felling Head 51
FR21B Felling Head Dimensions 51
FR21B High Rotation Wrist Dimensions 52
Page Number 5
Section 1-1 7
Section 1-2 8
Section 1-3 14
Section 1-4 16
Section 1-5 19
Section 2-1 20
Section 2-2 23
Section 3-1 28
Section 3-2 30
Section 3-3 38
Section 3-4 41
Section 3-5 42
Section 4-1 43
Section 4-2 48
Section 4-3 49
Section 4-4 51

S.V 03/24