Part of the Kubota Operator Manuals.
This is the Kubota operator's manual for the Z231KW-AU zero turn mower, the Australian-market model driven by a Kawasaki GH739V engine. It is the 76-page book Kubota ships with the machine, written for the person who runs and maintains it.
Inside you will find safe operating practice, the ROPS and operator presence controls, instrument and hand-control layout, mower deck mounting, and step by step starting and stopping. The specification tables list capacities, tire pressures, and cutting dimensions, and the maintenance schedule spells out service intervals for oil, filters, blades, and the electric clutch.
The troubleshooting charts help you work through engine, battery, mower, and machine faults, including tracking and cutting-quality issues. It downloads as a PDF you can view on any device or print for the workshop, giving Z231KW-AU owners and mechanics the correct factory figures without hunting through forums.
Complete the set for your Z231KW-AU
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | 8-17 | Roll-Over Protective Structures (ROPS), Seat Belt, Motion Control Levers, Parking Brake, Power Take-Off (PTO), Operator Presence Control (Opc) System |
| Specifications | 20-21 | Specification Table, Engine Specifications, Capacities, Dimensions, Weight, Tires, Traveling System, PTO (Mower) |
| Implement Limitations | 22 | Terms of Use, Weight Limit Table, Maximum Loading Weight, Implement Weight, Maximum Total Weight, Front Axle Weight, Rear Axle Weight (Mower, Dismounting the Mower Deck) |
| Instrument Panel and Controls | 23-24 | Instrument Panel, Switches and Hand Controls, Illustrated Contents, Parking Brake Lever, Motion Control Lever, Seat Belt, Cup Holder, Operator's Seat |
| Mower Mounting | 25-26 | Mounting the Mower Deck, Mower, Dismounting the Mower Deck (Stopping the Engine, Check During Operating) |
| Operating the Engine | 27-31 | Getting on and Off the Machine Safely, Starting the Engine (Cold Weather Starting, Warming Up the Engine, Choke Knob, Throttle Lever, Key Switch, Jump Starting) |
| Operating the Machine | 32-38 | Operating a New Machine (Changing Lubricating Oil for New Machine, Engine Break-In) |
| Tires and Wheels | 42-43 | Lubricants And Fuel, Tires, Inflation Pressure, Tire Sizes, Recommended Inflation Pressure, Wheels, Removing the Front Caster Wheels, Periodic Service |
| Maintenance | 44-45 | Service Intervals (Indication Hour Meter, Items, Engine Oil Change, Engine Start System Check, Opc System Check, Muffler and Spark Arrester Check, Air Cleaner Maintenance, Fuel Filter Maintenance, Battery Condition Check, Throttle Cable Adjustment, Choke Cable Adjustment, Spark Plug Maintenance, Engine Shroud Cleaning, Engine Oil Filter Replacement, Combustion Chamber Cleaning, Valve Seats and Clearance, Electric Clutch Adjustment, Fuel Line Maintenance, Engine Valve Clearance Check, Fuse Replacement, Blade Replacement, Mower Belt Replacement) |
| Periodic Service | 46-61 | Raising and Lowering the Operator's Seat |
| Storage | 69 | Storing the Machine (Repair Parts, Check Bolts and Nuts, Apply Grease or Engine Oil, Inflate Tires, Lower Mower, Remove and Store Battery, Drain Fuel Tank and Lines or Use Stabilizer, Store Machine in Dry Place, Clean Mower and Grass Catcher) |
| Troubleshooting | 70-74 | Engine Troubleshooting (Mower Troubleshooting), Battery Troubleshooting, Machine Troubleshooting, Index, Mower Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Blade bolt torque | 103 to 118 N·m (76 to 87 lbf·ft) | p. 60 |
| Blade mounting bolt torque (attaching blade to spindle) | 103 to 118 N·m (76 to 87 lbf·ft) | p. 60 |
| Blade length | 548 (21.6) mm (in.) | p. 21 |
| Number of blades | 2 | p. 21 |
| Cutting width | 1067 (42) mm (in.) | p. 21 |
| Cutting height | 38.1 to 108 (1.5 to 4.25) mm (in.) | p. 21 |
| Guide plate bolt tightening torque | 23.6 to 27.4 N·m (2.4 to 2.8 kgf·m, 17.4 to 20.2 lbf·ft) | p. 62 |
| Recommended gap between motion control levers | 0 to 2 mm (0 to 0.08 in.) | p. 63 |
| Engine Crankcase Oil Capacity (with filter) | 2.1 L (2.2 U.S.qts.) | p. 20 |
| Fuel Tank Capacity | 13.6 L (3.6 U.S.gals.) | p. 20 |
| Front Tire Inflation Pressure | 170 kPa (25 psi) | p. 42 |
| Rear Tire Inflation Pressure | 83 kPa (12 psi) | p. 42 |
