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Manuals
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Kubota Manuals
Lawn Mower
GR2120
Operator's manual
Kubota GR2120 Operator's Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Universal Symbols
Safety First
Table of Contents
Safe Operation
Servicing of Lawn and Garden Tractor
Specifications
Implement Limitations
Instrument Panel and Controls
Mower Mounting
Attaching the Mower
Mounting the Mower Deck
Adjusting the Parallel Linkage
Adjusting the Mower Deck (Side to Side)
Adjusting the Mower Lift Stoppers
Dismounting the Mower Deck
Operating the Engine
Starting the Engine
Key Switch
Throttle Lever and Choke Lever
Cold Weather Starting
Block Heater (Option)
Stopping the Engine
Engine Stop (by Manual)
Warming up
Warm-Up and Transmission Oil in the Low Temperature Range
Jump Starting
High Altitude Operation
Operating the Machine
Operating New Machine
Changing Lubricating Oil for New Machines
Engine Break-In
Machine Break-In
Starting
Operator's Seat
Head Light Switch
Hydraulic Lift Lever
Throttle Lever
Parking Brake
Speed Control Pedal
Cruise Control Device
Stopping
Check During Driving
Immediately Stop the Engine if
Easy Checker(TM)
Engine Overheating Precautions
Fuel Gauge
Hourmeter
Parking
Transporting
Directions for Use of Power Steering
Glide Steer
Operating the Mower
Making the most of Your Mower
Adjusting Cutting Height
Cutting Height Control Dial
Operating the Mower
KRA System Normal Operating Mode
PTO Lever
KRA System Override Mode
Cleaning
Cleaning with Water
Cleaning the Mowing System
Tire and Wheels
Tires
Inflation Pressure
Wheels
Maintenance
Service Intervals
Lubricants, Fuel and Coolant
Periodic Service
How to Open the Hood
Daily Check
Checking Engine Oil Level
Checking Amount of Fuel and Refueling
Checking and Cleaning Radiator and Screen to Prevent Overheating
Checking Tire Pressure
Checking Transmission Fluid Level
Checking Coolant Level
Lubricating All Grease Fittings
Checking Movable Parts
Every 25 Hours
Cleaning Precleaner and Air Cleaner Paper Element
Every 50 Hours
Checking Engine Start System
Checking OPC System
Checking PTO Control System
Cleaning Air Cleaner Element
Checking Carbon Canister Air Filter
Checking Gear Box Oil Level
Greasing
Oiling
Checking Battery Condition
Every 100 Hours
Replacing Air Cleaner Paper Element
Cleaning Engine Shroud Panel
Checking Fuel Lines, Fuel Vapor Lines and Fuel Filter
Checking Brake
Checking Fan Drive Belt Tension
Every 150 Hours
Changing Gear Box Oil
Every 200 Hours
Replacing Engine Oil Filter Cartridge
Changing Engine Oil
Replacing Transmission Oil Filter Cartridge
Checking Radiator Hose and Clamp
Checking Hydraulic Hose
Adjusting Front Axle Pivot
Checking Spark Plug Condition & Gap
Cleaning Engine Shroud
Checking Intake Air Line
Replacing Fuel Filter
Every 400 Hours
Changing Transmission Fluid
Cleaning Transmission Strainer
Changing Front Axle Case Oil
Replacing Fuel Filter
Every 1500 Hours
Checking Fuel Injection Nozzle (Injection Pressure)
Every 3000 Hours
Checking Injection Pump
Every 1 Year
Replacing Air Cleaner Element
Flush Cooling System and Changing Coolant
Anti-Freeze
Every 2 Years
Replacing Hydraulic Hose
Replacing Fuel Lines and Fuel Vapor Lines
Replacing Engine Breather Hose
Replacing Radiator Hose
Replacing Mower Gear Box Oil Seal
Replacing Intake Air Line
Service as Required
Replacing Fuses
Replacing Bulbs
Checking and Replacing Blade
Mower Belt Replacement
Bleeding Fuel System
Adjustment
General Torque Specification
Tightening Torque Chart
Storage
Troubleshooting
Engine Troubleshooting
Battery Troubleshooting
Machine Troubleshooting
Mower Troubleshooting
Index
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Servicing of Lawn and Garden Tractor
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Lubricants, Fuel and Coolant
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Code No. K1270-7122-1
U
©
KUBOTA Corporation 2014
OPERATOR'S MANUAL
1BDAHAOAP0580
READ AND SAVE THIS MANUAL
MODELS
GR2020G
GR2120
GR2120AU
Table of
Contents
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Table of Contents
Troubleshooting
TROUBLESHOOTING
97
MACHINE TROUBLESHOOTING
98
MOWER TROUBLESHOOTING
99
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Summarization of Contents
FOREWORD
SAFETY FIRST
Explains the meaning of safety alert symbols and warnings.
SAFE OPERATION
BEFORE OPERATING
Instructions and precautions to take before starting the machine.
STARTING THE ENGINE
Steps for safely starting the engine.
WORKING SAFELY
Guidelines for safe operation while working.
SAFE OPERATION
PULLING LOADS
Precautions for safely pulling loads.
OPERATION ON SLOPES
Safety advice for operating the machine on slopes.
SAFE OPERATING PRACTICES
General safety practices and recommendations.
SAFE OPERATION
DO NOT OPERATE GUIDELINES
Prohibitions and warnings for safe operation.
CHILD SAFETY PRECAUTIONS
Safety precautions regarding children.
OPERATOR AGE CONSIDERATIONS
Advice for operators aged 60 and above.
STOPPING THE MACHINE
Procedure for safely stopping the machine.
SAFE OPERATION
USING THE PTO
Safety guidelines for using the Power Take-Off.
USING THE LIFT LINK
Safety guidelines for using the lift link.
TRANSPORTING THE MACHINE
Instructions for safely transporting the machine.
SERVICING SAFETY
General safety precautions for servicing the machine.
SAFE OPERATION
STORAGE GUIDELINES
Guidelines for safely storing the machine.
SAFE OPERATION
DANGER, WARNING, CAUTION LABELS
Explanation of safety labels on the machine.
SAFE OPERATION
CARE OF SAFETY LABELS
Instructions for maintaining safety labels.
SERVICING OF LAWN AND GARDEN TRACTOR
WARRANTY INFORMATION
Information about the limited express warranty.
MACHINE SCRAPPING PROCEDURE
Procedure for safely taking the machine out of service.
SPECIFICATIONS
IMPLEMENT LIMITATIONS
INSTRUMENT PANEL AND CONTROLS
MOWER MOUNTING
ATTACHING THE MOWER
Step-by-step instructions for attaching the mower deck.
MOWER MOUNTING
ADJUSTING PARALLEL LINKAGE
Procedure for adjusting the mower deck's parallel linkage.
ADJUSTING MOWER DECK SIDE TO SIDE
Steps to adjust mower deck side-to-side leveling.
MOWER MOUNTING
ADJUSTING MOWER LIFT STOPPERS
How to adjust mower lift stoppers for deck balance.
DISMOUNTING THE MOWER DECK
Instructions for removing the mower deck.
OPERATING THE ENGINE
STARTING THE ENGINE
Steps to safely start the engine.
OPERATING THE ENGINE
STOPPING THE ENGINE
Procedures for stopping the engine.
ENGINE WARMING UP
Importance and procedure for warming up the engine.
OPERATING THE ENGINE
COLD WEATHER ENGINE WARM-UP
Cold weather warm-up guidelines for engine and transmission oil.
OPERATING THE ENGINE
JUMP STARTING PROCEDURE
Instructions for safely jump starting the machine.
HIGH ALTITUDE OPERATION
Considerations for operating at high altitudes.
OPERATING THE MACHINE
OPERATING NEW MACHINE
Precautions for breaking in a new machine.
CHANGING LUBRICATING OIL
Recommendation for early oil change in new machines.
ENGINE BREAK-IN
Engine oil and filter change after initial hours.
MACHINE BREAK-IN
Transmission fluid and oil filter change after initial hours.
OPERATING THE MACHINE
STARTING THE MACHINE
Steps to begin operating the machine.
OPERATOR'S SEAT ADJUSTMENT
Adjusting the operator's seat for comfort and safety.
HEAD LIGHT SWITCH OPERATION
Operating the headlight switch.
OPERATING THE MACHINE
HYDRAULIC LIFT LEVER OPERATION
How to operate the hydraulic lift lever.
ACCELERATING THE ENGINE
Using the throttle lever to control engine speed.
UNLOCKING THE PARKING BRAKE
How to release the parking brake.
OPERATING THE MACHINE
SPEED CONTROL PEDAL
Operating the speed control pedal for forward/reverse movement.
CRUISE CONTROL DEVICE
Engaging and disengaging the cruise control device.
OPERATING THE MACHINE
STOPPING THE MACHINE
Procedure for stopping the machine.
CHECK DURING DRIVING
Checks to perform while driving the machine.
EASY CHECKER(TM) INDICATIONS
Understanding the Easy Checker warning lamps.
ENGINE OVERHEATING PRECAUTIONS
Actions to take if the engine overheats.
OPERATING THE MACHINE
FUEL GAUGE
Checking the fuel level.
HOURMETER
Understanding the hourmeter.
OPERATING THE MACHINE
PARKING THE MACHINE
Procedure for safely parking the machine.
TRANSPORTING GUIDELINES
Instructions for transporting the machine.
POWER STEERING USAGE
How to use the power steering system.
OPERATING THE MACHINE
GLIDE STEER SYSTEM
Explanation of the Glide Steer system.
OPERATING THE MOWER
MAXIMIZING MOWER PERFORMANCE
Tips for optimal mower performance and cutting.
ADJUSTING CUTTING HEIGHT
How to adjust the cutting height of the mower deck.
OPERATING THE MOWER
ANTI-SCALP ROLLER SETTING
Adjusting anti-scalp rollers for proper ground clearance.
OPERATING THE MOWER
KRA SYSTEM NORMAL OPERATING MODE
Using the KRA system in normal operation.
OPERATING THE MOWER
PTO LEVER OPERATION
Engaging and disengaging the PTO lever.
KRA SYSTEM OVERRIDE MODE
Using the KRA system override for reverse operation.
CLEANING
CLEANING WITH WATER
Guidelines for cleaning the machine with water.
CLEANING THE MOWING SYSTEM
How to clean the mower deck and system.
TIRE AND WHEELS
TIRES
Information about tire types and inflation.
INFLATION PRESSURE
Recommended tire inflation pressures for different tire types.
TIRE AND WHEELS
WHEELS AND BOLTS
Instructions for wheel bolt tightening and torque.
MAINTENANCE
SERVICE INTERVALS
Scheduled maintenance tasks based on operating hours.
MAINTENANCE
LUBRICANTS, FUEL AND COOLANT
Specifications for lubricants, fuels, and coolant.
PERIODIC SERVICE
DAILY CHECK
Essential daily checks before operating the machine.
ENGINE OIL AND FUEL CHECKS
Checking engine oil level and fuel amount.
AIR CLEANER MAINTENANCE
Cleaning the air cleaner element and filter.
TRANSMISSION AND COOLING SYSTEM MAINTENANCE
Maintaining transmission fluid and cooling system.
PERIODIC SERVICE
BLADE AND BELT REPLACEMENT
Replacing mower blades and belts.
FUSE AND WIRING MAINTENANCE
Replacing fuses and checking wiring.
ADJUSTMENT
GENERAL TORQUE SPECIFICATION
Torque specifications for American and metric cap screws.
ADJUSTMENT
TIGHTENING TORQUE CHART
Chart for tightening torque specifications by thread size.
STORAGE
REMOVING MOWER FROM STORAGE
Steps to take after removing the machine from storage.
TROUBLESHOOTING
ENGINE TROUBLESHOOTING
Common engine problems and their probable causes.
TROUBLESHOOTING
BATTERY TROUBLESHOOTING
Common battery problems and their probable causes.
MACHINE TROUBLESHOOTING
Troubleshooting for machine operation issues.
TROUBLESHOOTING
MOWER TROUBLESHOOTING
Common mower issues and their probable causes.
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