This is the COMPLETE Operator’s Manual for the Kubota Z411, Z421, Z421T Zero Turn Mower.
This Manual Describes Procedures for Operation, Handling, Lubrication, Maintenance, Checking, and Adjustment. It Will Help The Operator or anyone Realize Peak Performance Through Effective, Economical and Safe Machine Operation and Maintenance.
OPERATOR’S MANUAL CONTAINS:
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SAFE OPERATION
SERVICING OF MACHINE
WARRANTY
SCRAPPING THE MACHINE AND ITS PROCEDURE
SPECIFICATIONS
SPECIFICATION TABLE
IMPLEMENT LIMITATIONS
INSTRUMENT PANEL AND CONTROLS
INSTRUMENT PANEL, SWITCHES AND HAND CONTROLS
MOWER
MOWER MOUNTING
MOUNTING THE MOWER DECK
ADJUSTING THE MOWER
DISMOUNTING THE MOWER DECK
OPERATING THE ENGINE
GETTING ON AND OFF THE MACHINE SAFELY
STARTING THE ENGINE
1. Choke knob
2. Throttle lever
3. Key switch
CHECK DURING OPERATING
1. Fuel gauge
2. Hour meter
COLD WEATHER STARTING
WARMING UP THE ENGINE
1. Warm-up and transmission oil in the low temperature range
JUMP STARTING
STOPPING THE ENGINE
OPERATING THE MACHINE
OPERATING A NEW MACHINE
1. Changing lubricating oil for new machine
2. Engine break-in
3. Machine break-in
OPERATING THE FOLDABLE ROPS
1. Folding the ROPS
2. Raising the ROPS to the upright position
3. Adjusting the foldable ROPS
STARTING THE MACHINE
1. Operator’s seat
2. Seat belt
3. Mower lift pedal
4. Throttle lever
5. Parking brake pedal
6. Motion control lever
6.1 Stop position of the motion control lever
6.2 Operating position of the motion control lever
STOPPING THE MACHINE
PARKING THE MACHINE
ACCESSORIES
1. Electric outlet (12 volt), plug, smartphone holder, cup holder and utility box
TRANSPORTING THE MACHINE
1. Hydrostatic transaxle bypass rods
OPERATING THE MOWER
MOWING TIPS
ADJUSTING THE CUTTING HEIGHT
OPERATING THE MOWER
1. PTO switch
2. Starting the machine
TIRES AND WHEELS
TIRES
1. Inflation pressure
WHEELS
1. Removing the front caster wheels
2. Installing the front caster wheels
MAINTENANCE
SERVICE INTERVALS
PERIODIC SERVICE CHART LABEL
LUBRICANTS AND FUEL
PERIODIC SERVICE
OPENING THE STEP
1. Step
RAISING AND LOWERING THE OPERATOR’S SEAT
DAILY CHECK
1. Checking the engine oil level
2. Checking the amount of fuel and refueling
3. Checking and cleaning the air intake screen
4. Checking the transaxle fluid level
5. Checking the tire pressure
5.1 Inflation pressure
6. Checking the dial cam rotation strength
7. Checking movable parts
EVERY 25 HOURS
1. Cleaning the cylinder and cylinder head fins
2. Cleaning the foam element
EVERY 50 HOURS
1. Checking the engine start system
2. Checking the OPC system
3. Checking the carbon canister air filter
4. Greasing
5. Checking the muffler and spark arrester (if equipped)
EVERY 100 HOURS
1. Changing the engine oil
2. Cleaning the air cleaner paper element
3. Checking the spark plug
4. Checking the fuel filter and fuel lines
5. Checking the battery condition
5.1 Charging the battery
5.2 Storing the battery
6. Adjusting the throttle cable
7. Adjusting the choke cable
8. Greasing mower link bushings
EVERY 200 HOURS OR EVERY 1 YEAR
1. Replacing the air cleaner paper element
EVERY 200 HOURS
1. Replacing the fuel filter
2. Replacing the engine oil filter
EVERY 300 HOURS
1. Adjusting the engine valve clearance
2. Cleaning the combustion chamber, lapping the valve seating surface
EVERY 400 HOURS
1. Replacing the transaxle oil filter cartridge
2. Changing the transaxle fluid
EVERY 500 HOURS
1. Replacing the spark plug
2. Lubricating the crank shaft
EVERY 500 HOURS OR EVERY 1 YEAR
1. Adjusting the electric clutch
EVERY 1 YEAR
1. Checking fuel lines
2. Checking the muffler and spark arrester (if equipped)
3. Checking hydraulic hoses
EVERY 2 YEARS
1. Replacing the carbon canister air filter
EVERY 4 YEARS
1. Replacing hydraulic hoses
2. Replacing fuel lines
SERVICE AS REQUIRED
1. Replacing fuses
2. Checking and replacing blades
3. Replacing the mower belt
ADJUSTMENT
MOTION CONTROL LEVER
1. Adjusting the motion control lever operating strength
2. HST neutral
3. Maximum speed (forward)
4. Motion control lever alignment
4.1 Checking the alignment
4.2 Aligning the motion control levers
5. Adjusting the mower lift pedal
MOWER DECK LEVEL
1. Anti-scalp rollers
2. Leveling the mower deck (side-to-side)
3. Leveling the mower deck (front-to-rear)
GENERAL TORQUE SPECIFICATION
TIGHTENING TORQUE CHART
STORAGE
STORING THE MACHINE
REMOVING THE MACHINE FROM STORAGE
TROUBLESHOOTING
ENGINE TROUBLESHOOTING
BATTERY TROUBLESHOOTING
MACHINE TROUBLESHOOTING
MOWER TROUBLESHOOTING
INDEX
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** Model Specification: Kubota Z411, Z421, Z421T Zero Turn Mower
** Language: English
** Total Pages: 90
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…
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