300 Series
Heavy-Duty
Flail
Mowers
Copyright 2016 © Deere & Company. THIS DATA IS THE PROPERTY OF DEERE & COMPANY. ALL USE AND/OR REPRODUCTION NOT SPECIFICALLY AUTHORIZED BY DEERE & COMPANY IS PROHIBITED.
All information, illustrations and specifications in this manual are based on the latest information available at the time of publication. The right is reserved to make changes at any time without notice.
Foreword
Identification View
A Message to Our Customers
Preliminary Checks
Regions and Country Versions
Section 05 - Safety
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Practice Safe Maintenance
Keep Riders Off Machine
Prepare for Emergencies
Wear Protective Clothing
Stay Clear of Rotating Drivelines
Use Safety Lights and Devices
Remove Paint Before Welding or Heating
Avoid High-Pressure Fluids
Protect Against Noise
Before Servicing the Mower
Section 10 - Safety Signs
Read Safety Signs Carefully
Rotating Driveline Danger Decal
Rotating Knife Danger Decal
Rotating Parts Danger Decal
Caution Decal
Drivelines Decals
Section 15 - Preparing the Tractor
Selecting Tractor Size
Positioning Tractor Drawbar
Adjusting Tractor Hitch
Checking Ballast, Wheel Spacing, and Tire Inflation
Tractor Brakes
Section 20 - Preparing the Machine
Introduction
Prestarting Checklist
Setting Cutting Height
Section 25 - Attaching and Detaching
Quick Coupler Hitch Compatibility Decals
Center Link Mounting Hardware - 360, 370 and 390
Draft Link Mounting Hardware - 370 and 390
Draft Link Mounting Hardware - 360
Attaching Mower to Tractor With Quick Coupler Hitch
Attaching Mower to Tractor With Three-Point Hitch
Assembling Main PTO Driveline Telescoping Members (If Necessary)
Attaching PTO Driveline
Detaching Mower From Tractor
Section 30 - Transporting
Use a Safety Chain
Use Safety Lights and Devices
Tow Loads Safely
Observe Maximum Transport Speed
Preparing Mower for Transport
Follow Safe Transport Procedures
Keep Riders Off Machine
Section 35 - Operating the Machine
Break-in the New Mower
Preparing Mower for Operation
Adjusting Cutting Height
Keep Riders Off Machine
Follow Safe Operating Procedures
Operating the Mower for Best Performance
Maintaining Rotor Balance
Section 40 - Attachments
Smooth-Cut Knives
Rear Rubber Safety Shield
Section 45 - Lubrication and Maintenance
Lubricating and Maintaining Machine Safely
Gear Oil
Grease for General Use
Alternative and Synthetic Lubricants
Mixing of Lubricants
Lubricant Storage
Perform Lubrication and Maintenance
Observe Lubrication Symbols
Lubrication Intervals
Checking Gear Case Oil Level
Keeping Mower Clean
Drive Pulley Bearing and Gauge Roller Bearings
Driveline Inner Shaft
Checking Driveline Shield
Section 50 - Troubleshooting
Knife Troubleshooting
General Troubleshooting
Operation Troubleshooting
Section 55 - Service
Practice Safe Service Procedures
Keep Service Area Clean
Inspecting Knives
Inspecting Knife Fasteners
Replacing Knives
Installing Anti-Wrap Bolts
Gear Case Service
Removing and Installing Gear Case
Adjusting Drive Belt
Aligning Pulleys
Belt Installation
Bearing Locking Collars
Section 60 - Storage
Store Attachments Safely
End of Season
Beginning of Season
Section 65 - Assembly
Install PTO Driveline
Install Rear Safety Deflector
Section 70 - Specifications
Specifications
Unified Inch Bolt and Screw Torque Values
Metric Bolt and Screw Torque Values
Serial Number
Section IBC - John Deere Service Keeps You On Job
John Deere Is At Your Service
John Deere Parts
The Right Tools
Well-Trained Technicians
Prompt Service