Table of Contents
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AZ . E . 5 - 5 . - . AK
PRINTED IN U.S.A.
IMPRESO EN E.E.U.U.
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English, Spanish (U.S.A.)
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Code No.
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K3071-7123-2
Código n°
©
KUBOTA Corporation 2019
OPERATOR'S MANUAL
MANUAL DEL OPERADOR
1SVWF00001A01
READ AND SAVE THIS MANUAL
LEA Y CONSERVE ESTE MANUAL
MODELS
Z412KW
MODELOS
Z422KW
Z422KWT
Z411KW
Z421KW
Z421KWT
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Table of Contents
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Summarization of Contents
ABBREVIATION LIST
ABBREVIATIONS AND DEFINITIONS
Lists and defines abbreviations used in the manual for clarity.
UNIVERSAL SYMBOLS EXPLANATION
Explains the meaning of universal symbols used on machine instruments and controls.
FOREWORD AND SAFETY INTRODUCTION
FOREWORD
Introduction to the operator's manual and the Kubota mower.
SAFETY FIRST GUIDELINES
Explains the importance of safety symbols and reading instructions before use.
DANGER AND WARNING MESSAGES
Defines DANGER, WARNING, CAUTION, IMPORTANT, and NOTE messages.
GENERAL SAFE OPERATION
BEFORE OPERATING THE MACHINE
Read and understand equipment limitations and all instructions before starting.
GENERAL OPERATING PRECAUTIONS
Covers steering, safety labels, bystanders, clothing, and PPE.
ROLL-OVER PROTECTIVE STRUCTURE (ROPS)
Importance, use, and care of the ROPS system for operator protection.
OPERATING THE MACHINE SAFELY
Instructions on how to start and operate the machine safely.
SAFETY FOR CHILDREN
Emphasizes keeping children away from the machine and not allowing them to ride.
OPERATING ON SLOPES
Detailed instructions and warnings for safe operation on inclines and slopes.
TRANSPORTING AND SERVICING
TRANSPORTING THE MACHINE
Guidelines for safely transporting the machine on a trailer or truck.
SERVICING AND STORAGE
General precautions for servicing and preparing the machine for storage.
SERVICING THE MACHINE
Safety precautions before performing maintenance, including refueling.
SAFETY LABELS AND PROCEDURES
SAFETY LABELS OVERVIEW
Location and meaning of various safety labels on the machine.
ROPS SAFETY LABELS
Specific warnings and instructions related to the ROPS system.
DANGER AND WARNING LABELS
Specific hazard labels for machine runaway and operator warnings.
BATTERY SAFETY WARNINGS
Warnings about explosive gases, acid, and proper handling of the battery.
MOWER SAFETY LABELS
Labels indicating hazards related to mower operation, especially moving parts.
CARE OF SAFETY LABELS
Instructions on how to clean, maintain, and replace safety labels.
MACHINE SPECIFICATIONS AND IMPLEMENTS
SERVICING OF MACHINE
Information on dealer service and recording machine identification numbers.
DEALER SERVICE INFORMATION
Guidance on utilizing dealer services for maintenance and parts.
WARRANTY INFORMATION
Details about the KUBOTA Limited Express Warranty and engine warranty.
SCRAPPING THE MACHINE
Procedures for safely decommissioning and disposing of the machine.
SPECIFICATIONS OVERVIEW
Provides detailed specifications for the mower models.
SPECIFICATION TABLE
Detailed technical specifications including engine, capacities, dimensions, and tires.
MOWER DECK SPECIFICATIONS
Specifications related to the mower deck attachments.
IMPLEMENT LIMITATIONS
Guidelines for using approved implements and maximum loading weights.
IMPLEMENT LOADING WEIGHTS
Table detailing maximum loading weights for different mower models.
INSTRUMENT PANEL AND MOWER COMPONENTS
INSTRUMENT PANEL LAYOUT
Diagram and list of controls on the instrument panel.
MOWER COMPONENTS
Information regarding the mower deck components, specifically anti-scalp rollers.
MOWER MOUNTING AND ADJUSTMENT
MOWER MOUNTING
Step-by-step instructions for mounting the mower deck onto the machine.
MOUNTING THE MOWER DECK
Detailed procedure for attaching the mower deck.
ADJUSTING THE MOWER
Steps for adjusting the mower, including belt tension and pulley alignment.
DISMOUNTING THE MOWER DECK
Procedure for safely removing the mower deck from the machine.
ENGINE OPERATION AND STARTING
OPERATING THE ENGINE
Instructions and warnings for starting, operating, and stopping the engine.
SAFE ENTRY AND EXIT
Guidelines for safely getting on and off the machine.
STARTING THE ENGINE
Step-by-step guide to starting the mower's engine.
ENGINE START INTERLOCK FEATURES
Explanation of safety interlocks preventing engine start under certain conditions.
STOPPING THE ENGINE
Procedures for safely shutting down the engine and securing the machine.
CHECKS DURING OPERATION
Important checks to perform while the engine is running.
ENGINE STARTING AND WARM-UP
FUEL GAUGE AND HOUR METER
How to check the fuel level and hour meter.
COLD WEATHER STARTING
Specific procedures for starting the engine in cold temperatures.
WARMING UP THE ENGINE
Importance and procedure for warming up the engine and transmission oil.
JUMP STARTING PROCEDURE
JUMP STARTING THE MACHINE
Safety precautions and steps for jump-starting the machine's battery.
OPERATING A NEW MACHINE
OPERATING A NEW MACHINE
Precautions for operating a new machine to ensure longevity.
NEW MACHINE OIL CHANGE
Recommendation for changing lubricating oil early on a new machine.
ENGINE BREAK-IN PROCEDURE
Guidance on engine break-in after the first 8 hours of operation.
MACHINE BREAK-IN PROCEDURE
Guidance on machine break-in after the first 100 hours of operation.
OPERATING THE FOLDABLE ROPS
FOLDING THE ROPS
Steps for loosening bolts, removing pins, and folding the ROPS.
RAISING THE ROPS
Procedure for removing pins, raising, and securing the ROPS in the upright position.
ADJUSTING THE FOLDABLE ROPS
How to adjust the ROPS frame for proper tension and alignment.
STARTING THE MACHINE PROCEDURES
STARTING THE MACHINE
Overall steps for starting the machine, referencing other sections.
OPERATOR SEAT AND SEAT BELT
OPERATOR'S SEAT ADJUSTMENTS
Instructions for adjusting the operator's seat for fore-aft, suspension, and armrest.
SEAT BELT USAGE
Importance of seat belt use, especially with ROPS installed.
MOWER DECK AND CONTROL OPERATION
MOWER LIFT PEDAL OPERATION
How to use the mower lift pedal to raise and lower the deck.
THROTTLE LEVER OPERATION
How to control engine speed using the throttle lever.
PARKING BRAKE PEDAL OPERATION
How to apply and release the parking brake.
MOTION CONTROL LEVER OPERATION
Critical safety warnings and basic operation of motion control levers.
MOTION CONTROL LEVER USAGE
MOTION CONTROL LEVER NEUTRAL LOCK
Explanation of the neutral lock position for starting and safety.
OPERATING MOTION CONTROL LEVERS
How to use motion control levers for forward, rearward, and turning movements.
ADVANCED MOTION CONTROL LEVER OPERATION
Details on sharp turns and lever adjustments.
STOPPING THE MACHINE
Procedures for safely shutting down the machine, including on inclines.
PARKING AND ACCESSORIES
PARKING THE MACHINE
Steps for safely parking the machine, including on inclines.
ACCESSORIES INFORMATION
Information on 12-volt outlet, smartphone holder, cup holder, and utility box.
TRANSPORTING THE MACHINE
TRANSPORTING THE MACHINE
Procedures for transporting the machine on a trailer or under its own power.
HYDROSTATIC TRANSaxLE BYPASS RODS
How to use bypass rods for moving the machine and safety warnings.
OPERATING THE MOWER
MOWING TIPS
Advice on mowing patterns, grass height, and clipping management.
ADJUSTING CUTTING HEIGHT
How to adjust the mower deck cutting height.
ANTI-SCALP ROLLER SETTINGS
Recommended settings for anti-scalp rollers for optimal cutting.
PTO SWITCH OPERATION
How to engage and disengage the Power Take-Off (PTO) switch.
STARTING THE MACHINE SAFELY
Steps and safety checks for starting the mower engine.
TIRES AND WHEELS MAINTENANCE
TIRE INFORMATION
Warnings and recommendations for tire maintenance and pressure.
TIRE INFLATION PRESSURE
Recommended inflation pressures for front and rear tires.
WHEELS MAINTENANCE
Procedures for removing and installing front caster wheels.
REMOVING FRONT CASTER WHEELS
Steps for safely removing front caster wheels.
INSTALLING FRONT CASTER WHEELS
Steps for safely installing front caster wheels.
PERIODIC MAINTENANCE SCHEDULE
MAINTENANCE OVERVIEW
Overview of maintenance tasks and service intervals.
SERVICE INTERVALS CHART
Chart detailing maintenance tasks based on operating hours.
PERIODIC SERVICE CHART LABEL
A summary label for recommended services and fluid capacities.
LUBRICANTS AND FUEL
RECOMMENDED LUBRICANTS AND FUEL
Details on recommended lubricants, fuel types, and capacities.
PERIODIC SERVICE TASKS
OPENING THE STEP
How to open and remove the step.
OPERATOR SEAT RAISING AND LOWERING
Procedures for safely raising and lowering the operator's seat.
DAILY CHECK PROCEDURES
Essential checks to perform before starting the machine.
CHECKING ENGINE OIL LEVEL
Step-by-step guide to checking engine oil level with safety warnings.
FUEL CHECK AND REFUELING
Safe procedures for checking fuel and refueling the machine.
FUEL HANDLING AND STORAGE
Detailed information on fuel types, storage, and handling precautions.
AIR INTAKE SCREEN CHECK
How to check and clean the air intake screen to prevent overheating.
AIR INTAKE SYSTEM CLEANING
Procedures for cleaning the air intake screen and engine plate.
CHECKING TRANSAXLE FLUID LEVEL
How to check the transaxle fluid level and safety precautions.
CHECKING TIRE PRESSURE
Instructions for checking tire pressure and safety warnings.
TIRE INFLATION PRESSURE DETAILS
Specific tire sizes and recommended inflation pressures.
DIAL CAM ROTATION STRENGTH CHECK
How to check and adjust the dial cam rotation strength.
CHECKING MOVABLE PARTS
How to check and maintain movable parts for smooth operation.
HOURLY MAINTENANCE TASKS
EVERY 25 HOURS TASKS
Maintenance tasks to be performed every 25 hours.
CYLINDER AND HEAD FIN CLEANING
Procedure for cleaning engine cylinder and head fins.
CLEANING THE FOAM ELEMENT
How to clean the air cleaner foam element.
EVERY 50 HOURS TASKS
Maintenance tasks to be performed every 50 hours.
ENGINE START SYSTEM CHECK
Tests to verify the engine start system safety features.
ENGINE START SYSTEM TEST 1
Test to check if the engine will not crank without operator presence.
ENGINE START SYSTEM TEST 2
Test to check if the engine will not crank with PTO engaged.
ENGINE START SYSTEM TEST 5
Test to ensure the engine shuts off when motion control levers are moved.
OPERATOR PRESENCE CONTROL (OPC) SYSTEM CHECK
Procedures to test the OPC system for safety.
CARBON CANISTER AIR FILTER CHECK
How to check and clean the carbon canister air filter.
GREASING POINTS
Locations and frequency for applying grease.
MUFFLER AND SPARK ARRESTER CHECK
Inspection of muffler and spark arrester for damage and blockages.
EVERY 100 HOURS TASKS
Maintenance tasks to be performed every 100 hours.
CHANGING ENGINE OIL
Detailed procedure for changing engine oil.
AIR CLEANER PAPER ELEMENT CLEANING
Instructions for cleaning the air cleaner paper element.
CHECKING THE SPARK PLUG
How to check, gap, and inspect the spark plug.
100-HOUR MAINTENANCE AND BEYOND
FUEL FILTER AND FUEL LINE CHECK
Procedures for checking fuel filter and fuel lines for damage or leaks.
CHECKING BATTERY CONDITION
How to check battery condition, including refillable and non-accessible types.
CHARGING THE BATTERY
Safety warnings and procedures for charging the battery.
STORING THE BATTERY
Proper procedure for storing the battery during long periods.
ADJUSTING THE THROTTLE CABLE
How to adjust the throttle cable for proper speed control.
ADJUSTING THE CHOKE CABLE
How to adjust the choke cable for proper engine starting.
GREASING MOWER LINK BUSHINGS
Instructions for greasing mower link bushings.
EVERY 200 HOURS OR 1 YEAR TASKS
Maintenance tasks due every 200 hours or annually.
REPLACING AIR CLEANER PAPER ELEMENT
Procedure for replacing the air cleaner paper element.
EVERY 200 HOURS TASKS
Maintenance tasks due every 200 hours.
REPLACING THE FUEL FILTER
Procedure for replacing the fuel filter.
REPLACING ENGINE OIL FILTER
Detailed procedure for replacing the engine oil filter.
EVERY 300 HOURS TASKS
Maintenance tasks due every 300 hours.
ADJUSTING ENGINE VALVE CLEARANCE
Instruction to consult dealer for engine valve clearance adjustment.
COMBUSTION CHAMBER AND VALVE LAPPING
Instruction to consult dealer for combustion chamber cleaning.
EVERY 400 HOURS TASKS
Maintenance tasks due every 400 hours.
REPLACING TRANSAXLE OIL FILTER
Detailed procedure for replacing the transaxle oil filter.
CHANGING TRANSAXLE FLUID
Reference to oil filter replacement section for fluid change instructions.
EVERY 500 HOURS TASKS
Maintenance tasks due every 500 hours.
REPLACING THE SPARK PLUG
Reference to checking spark plug section for replacement.
LUBRICATING THE CRANKSHAFT
Procedure for lubricating the crankshaft.
EVERY 500 HOURS OR 1 YEAR TASKS
Maintenance tasks due every 500 hours or annually.
ADJUSTING THE ELECTRIC CLUTCH
Procedure for adjusting the electric clutch air gap.
ANNUAL AND BI-ANNUAL MAINTENANCE
EVERY 1 YEAR TASKS
Maintenance tasks due annually.
CHECKING FUEL LINES
Reference to fuel filter and lines check.
MUFFLER AND SPARK ARRESTER CHECK
Reference to muffler and spark arrester check.
CHECKING HYDRAULIC HOSES
How to check hydraulic hoses and clamps for damage.
EVERY 2 YEARS TASKS
Maintenance tasks due every 2 years.
REPLACING CARBON CANISTER AIR FILTER
Reference to carbon canister air filter check.
EVERY 4 YEARS TASKS
Maintenance tasks due every 4 years.
REPLACING HYDRAULIC HOSES
Instruction to consult dealer for hose replacement.
REPLACING FUEL LINES
Instruction to consult dealer for fuel line replacement.
SERVICE AS REQUIRED
REPLACING FUSES
Procedure for checking and replacing fuses with safety warnings.
CHECKING AND REPLACING BLADES
Procedures for checking blade sharpness, balance, and replacement.
REPLACING THE MOWER BELT
Procedure for removing and installing the mower belt.
MACHINE ADJUSTMENTS
MOTION CONTROL LEVER ADJUSTMENTS
Adjustments for operating strength, HST neutral, and alignment.
MOTION CONTROL LEVER ALIGNMENT
Detailed steps for checking and aligning motion control levers.
MAXIMUM SPEED AND LEVER POSITIONING
Adjusting maximum speed and lever position (high/low).
MOWER DECK LEVELING
ANTI-SCALP ROLLER ADJUSTMENT
Instructions for adjusting anti-scalp rollers for optimal cutting.
LEVELING MOWER DECK (SIDE-TO-SIDE)
Steps to ensure the mower deck is level from side to side.
LEVELING MOWER DECK (FRONT-TO-REAR)
Steps to ensure the mower deck is level from front to rear.
GENERAL TORQUE SPECIFICATIONS
GENERAL TORQUE SPECIFICATION TABLE
Table of torque specifications for various screw sizes.
TIGHTENING TORQUE CHART
TIGHTENING TORQUE CHART DETAILS
Detailed chart for tightening torques based on bolt size and grade.
STORAGE PROCEDURES
STORING THE MACHINE
Steps to prepare and store the machine correctly.
REMOVING FROM STORAGE
Procedures for preparing the machine after long-term storage.
TROUBLESHOOTING GUIDE
ENGINE TROUBLESHOOTING
Table of engine symptoms, causes, and remedies.
BATTERY TROUBLESHOOTING
Table of battery symptoms, causes, remedies, and preventive measures.
MACHINE TROUBLESHOOTING
Table of machine operation issues, causes, and remedies.
MOWER TROUBLESHOOTING
Table of mower-specific symptoms, causes, and remedies.
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