Kubota Z232KW-AU Operator's Manual
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Kubota Z232KW-AU Operator's Manual

Zero turn mower
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BA . K . 1 - 1 . - . AK
PRINTED IN U.S.A.
Z
2
3
2
K
W
A
English (Australia)
U
Code No. K3007-7125-1
©
2022 Kubota Corporation
OPERATOR'S MANUAL
1WCFF00001A01
READ AND SAVE THIS MANUAL
MODEL
Z232KW-AU

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Summary of Contents for Kubota Z232KW-AU

  • Page 1 OPERATOR'S MANUAL MODEL Z232KW-AU 1WCFF00001A01 English (Australia) BA . K . 1 - 1 . - . AK Code No. K3007-7125-1 READ AND SAVE THIS MANUAL © PRINTED IN U.S.A. 2022 Kubota Corporation...
  • Page 2 ABBREVIATION LIST Abbreviations Definitions American Petroleum Institute Power Take Off RH/LH Right-hand and left-hand sides are determined by facing in the direction of forward travel ROPS Roll-Over Protective Structures Revolutions Per Minute Society of Automotive Engineers UNIVERSAL SYMBOLS As a guide to the operation of your machine, various universal symbols have been utilized on the instruments and controls.
  • Page 3 FOREWORD You are now the proud owner of a KUBOTA ZERO TURN MOWER. This machine is a product of Kubota's quality engineering and manufacturing. It is made of excellent materials and under a rigid quality control system. It will give you long, satisfactory service.

  • Page 4: Table Of Contents

    6.2 Operating position of the motion control lever..................32 6.3 Adjustment of the motion control lever ....................33 STOPPING THE MACHINE..........................33 PARKING THE MACHINE ..........................34 TRANSPORTING THE MACHINE........................34 1. Hydrostatic transaxle bypass rods......................34 ACCESSORY..............................35 Z232KW-AU...
  • Page 5 EVERY 1 YEAR ..............................54 1. Checking the battery condition ........................54 2. Checking fuel lines ............................ 54 3. Checking the muffler and spark arrester (if equipped)................55 4. Changing the engine oil ..........................55 EVERY 4 YEARS..............................55 Z232KW-AU...
  • Page 6 3.2 Adjusting the level (front-to-rear)......................60 GENERAL TIGHTENING TORQUE SPECIFICATION ..................62 STORAGE..........................63 STORING THE MACHINE ..........................63 REMOVING THE MACHINE FROM STORAGE....................63 TROUBLESHOOTING .......................64 ENGINE TROUBLESHOOTING ......................... 64 BATTERY TROUBLESHOOTING........................66 MACHINE TROUBLESHOOTING ........................66 MOWER TROUBLESHOOTING......................... 67 INDEX............................69 Z232KW-AU...
  • Page 7 Z232KW-AU...

  • Page 8: Safe Operation

    Kubota and its • Do not wear loose, torn, or bulky clothing around affiliates are not liable for any damage, malfunction the machine.
  • Page 9 SAFE OPERATION • Use only implements approved by Kubota. Use • Before starting the engine make sure that the proper ballast on the front or rear of the machine to motion control levers are in “NEUTRAL LOCK”, the reduce the risk of upsets. Follow the safe operating...
  • Page 10 6. Stopping the machine • Park the machine on level ground. • Make sure that the machine and all attachments have come to a complete stop before you get off. Z232KW-AU...
  • Page 11 Wrap the blade(s) or wear gloves, and use extra 3. Do not refuel the machine indoors and always caution when servicing them. clean up spilled fuel or oil. • Keep nuts and bolts, especially blade attachment bolts, tight and keep equipment in good condition. Z232KW-AU...
  • Page 12 For your safety, do not rely on hydraulically supported devices as they may leak down, suddenly drop or be accidently lowered. • Consult your local recycling center or Kubota Dealer to learn how to recycle or get rid of waste products.
  • Page 13 SAFE OPERATION SAFETY LABELS Z232KW-AU...
  • Page 14 SAFE OPERATION Z232KW-AU...
  • Page 15 SAFE OPERATION Z232KW-AU...
  • Page 16 SAFE OPERATION Z232KW-AU...
  • Page 17 • Clean safety labels with soap and water, and dry with a soft cloth. • Replace damaged or missing safety labels with new labels from your local Kubota Dealer. • If a component with safety label(s) attached is replaced with a new part, make sure new label(s) is (are) attached in the same location(s) as the replaced component.

  • Page 18: Servicing Of Machine

    However, when in need of parts or major service, consult your local Kubota Dealer. When in need of parts, be prepared to give your dealer the product identification number (PIN), and the ROPS, engine and mower serial numbers.

  • Page 19: Scrapping The Machine

    SCRAPPING THE MACHINE To put the machine out of service, correctly follow the local rules and regulations of the country or territory where you scrap it. If you have questions, consult your local Kubota Dealer. Z232KW-AU...

  • Page 20: Specifications

    SPECIFICATION TABLE  SPECIFICATIONS SPECIFICATIONS SPECIFICATION TABLE Model Z232KW-AU Model name FR651 *1*2 Max. engine power (gross) kW (HP) 16.0 (21.5) Type Air-cooled gasoline engine Number of cylinders 2 (V-Twin) Bore and stroke mm (in.) 78 × 76 (3.07 × 2.99) Total displacement (cu.
  • Page 21  SPECIFICATIONS Oil amount when the oil level is at the upper level. Model RCK42P-122Z Suitable machine Z232KW-AU Mounting method Parallel linkage Adjustment of cutting height Dial gauge Cutting width mm (in.) 1067 (42) Cutting height mm (in.) 38.1 to 108 (1.5 to 4.25) Weight (approximation) kg (lbs.)

  • Page 22: Implement Limitations

    IMPLEMENT LIMITATIONS TERMS OF USE The Kubota Machine has been thoroughly tested for proper performance with implements sold or approved by Kubota. Use with implements below may result in malfunctions or failures of the machine, damage to other property and injury to the operator or others.

  • Page 23: Instrument Panel And Controls

    (2) Motion control lever ........ 24 (6) ROPS (11) PTO switch..........38 Motion control lever ........ 31 (7) Mower lift pedal........31 (12) Throttle lever........... 31 (3) Seat belt..........31 (8) Cutting height control dial ....... 36 (13) Choke knob..........25 Z232KW-AU...

  • Page 24: Mower

    MOWER  INSTRUMENT PANEL AND CONTROLS MOWER (1) Anti-scalp roller (front, bolt shift type) ........36 (2) Discharge deflector..............37 Z232KW-AU...

  • Page 25: Mower Mounting

    (1) Lift link (P) Out side • Check to see that the mower belt is attached (2) Clevis pin to the pulleys. Make sure that the longer (3) Snap ring hook of the spring is set to the pulley side. Z232KW-AU...

  • Page 26: Adjusting The Mower

    3. Detach the lift links from the mower deck. 4. Raise the mower lift links, then slide the mower deck out from under the machine. (1) Lift link (P) Out side (2) Clevis pin (3) Snap ring 2. Remove the mower belt from the clutch pulley. Z232KW-AU...

  • Page 27: Operating The Engine

     OPERATING THE ENGINE GETTING ON AND OFF THE MACHINE SAFELY OPERATING THE ENGINE start the engine or jump start the engine with another battery. Consult your local Kubota WARNING Dealer. To avoid serious injury or death: • Do not turn the key switch to the “START”...

  • Page 28: Choke Knob

    Always place the choke knob to the “OFF” position when the engine is warm. 2. Throttle lever Pulling the throttle lever backward decreases the engine speed and pushing it forward increases the engine speed. (1) Throttle lever (A) “FAST” (B) “SLOW” Z232KW-AU...

  • Page 29: Key Switch

    “STOP” (OFF) position. (1) Fuel gauge (E) “EMPTY” (F) “FULL” IMPORTANT : • Do not fill the tank above the bottom of the filler neck. • Refuel on a level ground. (1) Fuel valve (A) “STOP” (OFF) (B) “RUN” Z232KW-AU...

  • Page 30: Hour Meter

    4. When the engine starts, release the key to the “ON” start the engine. position. • Do not connect the other end of the negative 5. Push in the choke knob (“CHOKE OFF” position). jumper cable to the negative terminal of the machine battery. Z232KW-AU...
  • Page 31 • Use only same voltage for jump starting. • Use of a higher voltage source on the machine could result in severe damage to the machine electrical system. Use only a matching voltage source when “jump starting” a low or dead battery. Z232KW-AU...

  • Page 32: Operating The Machine

    • Keep bystanders, especially children, and animals away from the mowing area. • Clear the work area of objects which might be picked up and thrown by the blades. • Do not direct the opening of the discharge deflector at bystanders or animals. Ejected Z232KW-AU...

  • Page 33: Burnishing Pto Clutch

    IMPORTANT : • Never start the engine while standing on the • After adjusting the operator's seat, check and ground. Start engine only from see that the seat is securely locked. operator's seat. Z232KW-AU...

  • Page 34: Seat Belt

    “FORWARD” to “REARWARD” or from the 4. Throttle lever “REARWARD” to “FORWARD” position rapidly. Sudden direction changes could cause the loss • Move the throttle lever backward to decrease the of control or damage to the machine or engine speed. property. Z232KW-AU...

  • Page 35: Stop Position Of The Motion Control Lever

    Grasp the motion control levers and move them inward from the “NEUTRAL LOCK” position so that the machine is in “NEUTRAL” (the engine cannot be restarted). Forward and rearward motion: 1. Move the throttle lever to the “FAST” position. 2. Release the parking brake. Z232KW-AU...

  • Page 36: Adjustment Of The Motion Control Lever

    • The motion control levers are adjustable. (If adjustment is required, see ADJUSTMENT on page 58.) We recommend that you contact your local Kubota Dealer. STOPPING THE MACHINE Sharp (zero) left turn: Push the right motion control lever forward and pull the WARNING left motion control lever rearward at the same time.

  • Page 37: Parking The Machine

    (1) Left side HST bypass rod (A) “OPERATING” position (B) “BYPASS” position (1) Chock TRANSPORTING THE MACHINE IMPORTANT : • To transport the machine on a trailer: – Turn the carburetor fuel valve to the “OFF” position. Z232KW-AU...

  • Page 38: Accessory

    • Do not use when the accessory electrical outlet is wet. IMPORTANT : • Do not connect a light or other device that draws more than 120 watts to accessory electrical outlet. The battery may discharge very rapidly or the accessory electrical outlet may fail. Z232KW-AU...

  • Page 39: Operating The Mower

    For extremely tall grass, set the cutting height at maximum cutting height for the first mowing, then reset to the desired height and mow again. Allow the grass to grow to 80 mm (3 in.), then cut off only the top inch. Z232KW-AU...

  • Page 40: Operating The Mower

    • Do not direct the opening of the discharge deflector at bystanders, especially children, or animals. Discharged objects may cause injury. Plan your mowing carefully before starting the operation. • Keep bystanders and animals away from the mowing area. Z232KW-AU...

  • Page 41: Pto Switch

    1. Sit on the operator's seat. Put on the seat belt. Make sure that the parking brake is engaged. 2. Start the engine. 3. Engage the PTO switch. IMPORTANT : Follow these procedures to maximize mower drive-system life. Z232KW-AU...

  • Page 42: Tires And Wheels

    (3) Yoke (1) Ground (A) “INSUFFICIENT” (B) “NORMAL” 1. Park the machine on a firm and level surface. (C) “EXCESSIVE” 2. Stop the engine and apply parking brake. 3. Lift the front of machine with a safe lifting device. Z232KW-AU...

  • Page 43: Installing The Front Caster Wheels

    (36 to 41 lbf⋅ft) (4.9 to 5.7 kgf⋅m) 4. Lower the machine. IMPORTANT : • Make sure that a washer is set on wheel bolt side. (1) Nut (A) Front wheel (2) Wheel bolt (3) Yoke (4) Washer (5) Cap with felt Z232KW-AU...

  • Page 44: Maintenance

    See the Emissions Warranty Statement. – To ensure the best quality and reliability, use new Kubota genuine parts or their equivalents for repairs and replacement, whenever you have maintenance done. Z232KW-AU...

  • Page 45: Lubricants And Fuel

     MAINTENANCE LUBRICANTS AND FUEL LUBRICANTS AND FUEL Capacities Locations Lubricants Z232KW-AU • Automobile unleaded or regular gasoline Fuel 13.6 L (3.6 U.S. gals.) • Unleaded gasoline 87 octane or higher • Engine oil: API service Classification SF, SG, SH, SJ or SL Above 20 ℃...

  • Page 46: Periodic Service

    WARNING Parking brake To avoid serious injury or death: Other movable parts • Do not drop the seat when lowering it. (Continued) • Watch your hands. Do not place your hands under the seat when lowering it. Z232KW-AU...

  • Page 47: Checking The Engine Oil Level

    If either of these do not op- running, do not fill the fuel tank. If the engine is erate properly, contact your local hot, let the engine cool down several minutes Kubota Dealer immediately. before adding fuel. Others Check the areas where previous •...

  • Page 48: Checking And Cleaning The Air Intake Screen

    • Do not use a fuel cap other than one approved air intake screen and the air intake area are clean. by Kubota. Dirt or chaff around the air intake screen, air intake • Do not permit dirt, trash or water to get into the area, or the engine cooling area decrease cooling fuel system.

  • Page 49: Inflation Pressure

    • If the machine does not pass one of the following tests, do not operate the machine. IMPORTANT : Consult your local Kubota Dealer. • Do not use tires other than the size specified. • Sit on the operator's seat for all tests except for test 1.

  • Page 50: Checking The Opc System

    (2) Motion control lever (3) Key switch • If the engine cranks in tests 1 through 4, (4) PTO switch consult your local Kubota Dealer to have the (5) Seat switch unit checked before operation. Test 1 (operator on the seat) Test 5 (operator on the seat) 1.

  • Page 51: Every 100 Hours

    Direct the hose down, loosen the nut of the T-type pipe fitting and drain the engine oil. NOTE : • The used oil can be drained out more easily if the engine is warm. (1) Engine oil port (A) “UPPER LEVEL” (2) Oil level dipstick (B) “LOWER LEVEL” Z232KW-AU...

  • Page 52: Cleaning The Air Cleaner Paper Element

    • Make sure the engine is cool to the touch before (1) Air cleaner cover removing shrouds. (2) Air cleaner paper element (3) Air intake hose • Always shield eyes and face when using compressed air to remove debris and objects. Z232KW-AU...

  • Page 53: Checking The Spark Plug

    3. After removing debris build up reinstall the plastic housing. 8.8 N⋅m Tightening torque (0.90 kgf⋅m, 6.5 lbf⋅ft) (A) 0.75 mm (0.03 in.) 22 N⋅m Tightening torque (2.2 kgf⋅m, 16 lbf⋅ft) 5. Checking the fuel filter (1) Shroud Consult your local Kubota Dealer for this service. Z232KW-AU...

  • Page 54: Checking The Battery Condition

    It is important metal object across the posts. to check the battery periodically. Use a voltmeter or hydrometer. • When exchanging an old battery with a new one, use a battery of equal specifications (as described in the following table). Z232KW-AU...

  • Page 55: Storing The Battery

    9. Reinstall the oil fill cap/dipstick and tighten securely. and once every 6 months in cold seasons. 7. Adjusting the throttle cable Consult your local Kubota Dealer for this service. 8. Adjusting the choke cable Consult your local Kubota Dealer for this service.

  • Page 56: Replacing The Air Cleaner Paper Element

    (1) Air cleaner cover (A) “LIFT UP” 2. Remove the air cleaner paper element and the air (1) Air cleaner base intake hose. 5. Install the air cleaner paper element into the air intake hose, and reinstall them in place. Z232KW-AU...

  • Page 57: Every 300 Hours

    EVERY 300 HOURS 1. Cleaning the combustion chamber Consult your local Kubota Dealer for this service. (1) Fuel valve (A) “CLOSE” (OFF) 2. Checking the valve seats and (2) Fuel tank (B) “OPEN”...

  • Page 58: Checking The Muffler And Spark Arrester (If Equipped)

    EVERY 4 YEARS 1. Replacing the fuel lines (1) Fuel line (2) Pipe clamp Consult your local Kubota Dealer for this service. (3) 2 way valve (assembled in the fuel tank) SERVICE AS REQUIRED 1. Replacing fuses 1. Raise the operator's seat.

  • Page 59: Checking And Replacing Blades

    • If you feel you are unable to make the following adjustments correctly and safely, contact your local Kubota Dealer. (1) Block (A) “LOOSEN” Mower deck cleaning •...

  • Page 60: Replacing The Mower Belt

    • To prolong the service life of the blades, reposition them as shown in the following 4. Adjusting the electric clutch figure periodically. Consult your local Kubota Dealer for this service. (1) LH blade (2) RH blade 3. Replacing the mower belt 1.

  • Page 61: Adjustment

    2. Tighten the bolts. 1. Adjusting HST neutral position Consult your local Kubota Dealer for this service. 2. Adjusting maximum speed (forward) Consult your local Kubota Dealer for this service. 3. Motion control lever alignment...

  • Page 62: Mower Deck Level

    2. Leveling the mower deck (side-to- side) WARNING (1) Blade (H) 76 mm (3 in.) To avoid serious injury or death: • Park the machine on a firm and level surface. • Apply the parking brake. • Disengage the PTO (OFF). Z232KW-AU...

  • Page 63: Adjusting The Level (Side-To-Side)

    Anti-scalp rollers must not rest on the wood block. Inflate the tires to the correct pressure. 4. Lower the mower deck. (See TIRES AND WHEELS on page 39.) 5. Loosen the jam nuts of the front side of the machine. Z232KW-AU...
  • Page 64 6 mm (0.25 in.). 9. Check the front-to-rear level. If it is not level, adjustment is necessary. (1) Cutting height fine tuning bolt (2) Jam nut Z232KW-AU...

  • Page 65: General Tightening Torque Specification

    (135.3 ± 11.7) (13.8 ± 1.2) NOTE : • Figure [7] on the top of the bolt indicates that the bolt is made of special material. • Before tightening, check the figure on top of the bolt. (1) Scale Z232KW-AU...

  • Page 66: Storage

    Fill the fuel tank with clean, fresh gasoline. Run the engine for 2 to 3 minutes to get stabilized fuel into the carburetor. 8. Store the machine in a dry place sheltered from rain. Cover the machine with a vinyl tarp. Z232KW-AU...

  • Page 67: Troubleshooting

    Replace fuel and the fuel filter. • Water or dirt in the fuel system. • Replace fuel and see your Kubota Dealer. • Fuel hose or fuel filter clogged or damaged. • Clean or replace fuel lines and see your Kubo- ta Dealer.
  • Page 68 Spark plug damaged. • Adjust the spark plug gap or replace it. • Faulty spark plug. • Replace the spark plug. • Carburetion problem. • See your Kubota Dealer. If you have any questions, contact your local Kubota Dealer. Z232KW-AU...

  • Page 69: Battery Troubleshooting

    • Charging system • Contact your local trouble. Kubota Dealer. If you have any questions, contact your local Kubota Dealer. MACHINE TROUBLESHOOTING Symptom (if) Cause Remedy The machine operation is not • The hydrostatic transaxle fluid is insufficient. • Contact your local Kubota Dealer.

  • Page 70: Mower Troubleshooting

    • Check the hour meter connector. • Electric clutch clearance too big. • Consult your local Kubota Dealer for this serv- ice. (Reverse the clutch brake plates.) • The PTO system is not normal: • Consult your local Kubota Dealer.
  • Page 71 Slow down. • Debris wrapped around mower spindles. • Clean the mower. • Front of deck too low. • Adjust the mower deck. (See MOWER DECK LEVEL on page 59.) If you have any questions, contact your local Kubota Dealer. Z232KW-AU...

  • Page 72: Index

    44 instrument panel............20 checking the tire pressure........ 39,46 checking the tire pressure (warning information).. 45 cleaning the air intake screen....... 45 key switch..............26 refueling..............44 daily check list............. 43 dealer service..............15 lubricants..............42 electric clutch adjusting..............57 Z232KW-AU...
  • Page 73 60 torque tightening general specification......62 mounting............... 22 transmission oil side-to-side leveling..........59 warming up in the low temperature range.....27 mower lift pedal............31 mowing tips..............36 muffler checking............47,55 valve seats and clearance checking..............54 OPC system checking..............47 Z232KW-AU...
  • Page 74 15 Z232KW-AU...

This manual is also suitable for:

Fr651

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