Kubota ZG332 Operator's Manual
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Kubota ZG332 Operator's Manual

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OPERATOR'S MANUAL
MODEL ZG332
1BDABDRAP0010
K3241-7128-4
READ AND SAVE THIS MANUAL

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Eugene Johnson
July 8, 2025

fuel tank switch to change tanks

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March 19, 2025

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Summary of Contents for Kubota ZG332

  • Page 1 OPERATOR'S MANUAL MODEL ZG332 1BDABDRAP0010 K3241-7128-4 READ AND SAVE THIS MANUAL...

  • Page 2: Universal Symbols

    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: Safety First

    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

    CONTENTS SAFE OPERATION ....................1 SERVICING OF MACHINE ..................1 SPECIFICATIONS....................... 3 IMPLEMENT LIMITATIONS ..................6 INSTRUMENT PANEL AND CONTROLS..............7 BALLAST ........................9 REAR WEIGHT......................9 WEIGHT INSTALLATION ..................9 MOWER MOUNTING ....................10 MOUNTING THE MOWER DECK ................. 10 ADJUSTING THE MOWER ...................
  • Page 5 CONTENTS Operator's Seat....................... 23 Seat Belt ......................... 24 Hydraulic Lift Control Pedal .................... 24 Throttle Lever........................24 Parking Brake Pedal ....................... 25 Motion Control Lever ...................... 25 WORK LIGHT (OPTIONAL KIT) ................28 STOPPING......................28 PARKING ....................... 28 TRANSPORTING....................29 OPERATING THE MOWER ..................
  • Page 6 CONTENTS EVERY 100 HOURS ....................55 Changing Engine Oil....................... 55 Checking Spark Plug Condition & Gap................55 Cleaning Air Cleaner Primary Element ................56 Checking Fuel Lines ....................... 57 Adjusting Fan Drive Belt Tension ................... 59 Adjusting Parking Brake ....................60 Battery Condition ......................
  • Page 7 CONTENTS MOWER DECK LEVEL..................79 ANTI-SCALP ROLLERS....................79 LEVEL MOWER DECK (Side-to-Side) ................80 LEVEL MOWER DECK (Front-to-Rear) ................. 81 GENERAL TORQUE SPECIFICATION ..............83 TIGHTENING TORQUE CHART ................84 STORAGE ......................... 85 MACHINE STORAGE .................... 85 REMOVING THE MACHINE FROM STORAGE............ 85 TROUBLESHOOTING....................
  • Page 8 8. Do not operate the machine or any attachments while caution labels on the machine itself. under the influence of alcohol, medication, controlled 4. KUBOTA recommends the use of a Roll Over substances or when fatigued. Protective Structures (ROPS) and seat belt in almost 9.
  • Page 9 8. Do not drive machine on streets or highways. Watch result in personal injury. 18. Use only implements approved by KUBOTA. Use for traffic when you cross roads or operate near roads. proper ballast to front or rear of machine to reduce the 9.
  • Page 10 1. To avoid tip over, operate across the slopes not up and cleaning, or servicing any PTO-driven equipment. down. Stay off hills and slopes too steep for safe 3. Use the PTO with KUBOTA approved attachments. operation. The speed of PTO: 2.
  • Page 11 SAFE OPERATION 9. Keep first aid kit and fire extinguisher handy at all times. 6. SERVICING AND STORAGE 10. Do not remove the radiator cap while coolant is hot. When cool, slowly rotate cap to the first stop and allow C Servicing sufficient time for excess pressure to escape before 1.
  • Page 12 For your safety do not rely on hydraulically supported devices, they may leak down, suddenly drop or be accidently lowered. 27. See your local Recycling Center or KUBOTA Dealer to learn how to recycle or get rid of waste products.
  • Page 13 SAFE OPERATION 7. DANGER, WARNING AND CAUTION LABELS...
  • Page 14 SAFE OPERATION...
  • Page 15 SAFE OPERATION...
  • Page 16 2. Clean danger, warning and caution labels with soap and water, and dry with a soft cloth. 3. Replace damaged or missing danger, warning and caution labels with new labels from your local KUBOTA Dealer. 4. If a component with danger, warning and caution label(s) affixed is replaced with new part, make sure new label(s) is (are) attached in the same location(s) as the replaced component.

  • Page 18: Safe Operation

    When in need of parts or major service, be sure to see your KUBOTA Dealer. When in need of parts, be prepared to give your dealer the machine, engine and mower serial numbers.
  • Page 19 SERVICING OF MACHINE (1) ROPS serial No.

  • Page 20: Specifications

    SPECIFICATIONS SPECIFICATIONS Model ZG332P ZG332LP Model WG972-G-E3-ZG-1 Max. engine power (Gross) kW (HP) 24.2 (32.5) (*1) Type Liquid-cooled gasoline engine Number of cylinders 74.5 x 73.6 Bore and stroke mm (in.) (2.93 x 2.90) Engine Total displacement cm (cu. in.) 962 (58.7) Fuel Automobile unleaded or regular gasoline...

  • Page 21: Specifications

    Model ZG332P ZG332LP 1 speed Revolution (2400 rpm at 3200 engine rpm) Drive system Shaft drive, KUBOTA 10 tooth involute spline Clutch type Wet multi disks PTO brake Wet single disk (Specifications and design subject to change without notice) NOTE:...
  • Page 22 SPECIFICATIONS Model RCK60P-327Z RCK72P-332Z Suitable machine ZG332P ZG332LP Mounting method Quick joint, Parallel linkage Adjustment of cutting height Dial gauge Cutting width mm (in.) 1524 (60.0) 1829 (72.0) Cutting height mm (in.) 25 to 127 (1.0 to 5.0) Weight (Approx.) kg (lbs.) 143 (315) 165 (364)

  • Page 23: Implement Limitations

    Use with implements which are not sold or approved by KUBOTA and which exceed the maximum specifications listed below, or which are otherwise unfit for use with the KUBOTA Machine may result in malfunctions or failures of the machine, damage to other property and injury to the operator or others. [Any malfunctions or failures of the machine resulting from use with improper implements are not covered by the warranty.]...

  • Page 24: Instrument Panel And Controls

    INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS ILLUSTRATED CONTENTS Parking brake pedal......12, 25 (10) Coolant temperature gauge....Parking brake lock pedal...... 12, 25 (11) Fuel gauge (LH tank only)..... Motion control lever......12, 25 (12) Key switch..........Cup holder..........
  • Page 25 INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS ILLUSTRATED CONTENTS (1) Anti-scalp roller (Front, pin shift type)..(1) Anti-scalp roller (Front, swivel type)..(2) Anti-scalp roller (Rear, bolt shift type)..(2) Anti-scalp roller (Rear, bolt shift type)..30...

  • Page 26: Ballast

    BALLAST BALLAST REAR WEIGHT WEIGHT INSTALLATION To avoid serious injury or death: To avoid personal injury: A Ballast is required for operating this machine. A Park the machine on a firm and level surface. A Apply the parking brake. Wrong weight combination will cause machine A Stop the engine and remove the key.

  • Page 27: Mower Mounting

    MOWER MOUNTING MOWER MOUNTING MOUNTING THE MOWER DECK 4. Change the direction of the front tires as shown in the figure. To avoid personal injury: A Park the machine on a firm and level surface. A Apply the parking brake. A Stop the engine and remove the key.

  • Page 28: Adjusting The Mower

    MOWER MOUNTING RCK72P: No places* (1) Anti scalp roller (Front, swivel type) (2) Anti scalp roller (Rear, bolt shift type) *No roller that should turn in the direction 7. Depress the hydraulic lift control pedal (DOWN) and pull down the lift links. 8.

  • Page 29: Operating The Engine

    OPERATING THE ENGINE OPERATING THE ENGINE STARTING THE ENGINE To avoid personal injury: 1. Sit on the operator's seat. A Read "SAFE OPERATION" in the front of this manual. 2. Apply the parking brake. A Read the danger, warning and caution labels located on the machine.

  • Page 30: Motion Control Lever

    OPERATING THE ENGINE 3. Make sure that the PTO lever is in the 5. Set the throttle lever as follows. "DISENGAGED" (OFF) position. A If the engine is cold: Pull the choke knob out. A If the engine is warm: Place the throttle control lever midway between the "SLOW"...

  • Page 31: Throttle Lever And Choke Knob

    Pulling the throttle lever backward decreases the engine jump start using another battery. speed and pushing it forward increases the engine speed. Consult your local KUBOTA dealer. A Do not turn the key switch to the "START" position [For a Cold Engine] while the engine is running.

  • Page 32: Check During Operating

    OPERATING THE ENGINE CHECK DURING OPERATING BFuel Gauge While operating, make the following checks to see that all 1. The fuel gauge shows the amount of fuel left in the LH the parts are functioning normally. tank. BImmediately Stop the Engine if: A The engine suddenly slows down or accelerates.

  • Page 33: Coolant Temperature Gauge

    OPERATING THE ENGINE BCoolant Temperature Gauge BFuel Drain To avoid personal injury: To avoid personal injury: A Do not remove radiator cap until coolant A Be sure to stop the engine and remove the key temperature is well below its boiling point. when attempting to drain the fuel from the Then loosen cap slightly to the stop to relieve carburetor.

  • Page 34: Fuel Valve

    A If noises are heard after the hydraulic control lever has been activated and the implement is lifting, the hydraulic mechanism is not adjusted properly. Unless corrected, the unit will be damaged. Contact your local KUBOTA Dealer for adjustment.

  • Page 35: Jump Starting

    OPERATING THE ENGINE A Use of a higher voltage source on a machine could JUMP STARTING result in severe damage to the machine electrical system. Use only matching voltage source when "jump- To avoid serious injury: starting" a low or dead battery condition. A Battery gases can explode.

  • Page 36: Stopping The Engine

    4. Apply the parking brake. the machine. Then open the hood and disconnect the wire harness from solenoid. Then contact your local KUBOTA A Do not stop the engine when the machine is on an Dealer immediately.

  • Page 37: Operating The Machine

    OPERATING THE MACHINE OPERATING THE MACHINE OPERATING NEW MACHINE How a new machine is operated and maintained To avoid serious injury or death: determines the life of the machine. A The machine relies upon the engine driven A new machine just off the factory production line has transmission for speed, direction and motion been tested, but the various parts are not accustomed to control.

  • Page 38: Operating Foldable Rops

    A Before proceeding to fold the ROPS, check for possible interference with installed implements and attachments. If interference occurs, contact your KUBOTA Dealer. BTo Fold the ROPS 1. Unscrew the knob bolts 1 to 2 turns. (1) ROPS 2. Remove both lock pins.

  • Page 39: To Raise The Rops To Upright Position

    OPERATING THE MACHINE BTo Raise the ROPS to Upright Position BAdjustment of Foldable ROPS A Adjust free fall of the ROPS upper frame regularly. 1. Remove both hair pins and lock pins. A If you feel less friction when folding the ROPS, tighten the nut (1) until you feel the right friction in the movement and then replace the hair pin.

  • Page 40: Starting

    OPERATING THE MACHINE STARTING 1. Adjust the operator's position and engage the seat belt. BOperator's Seat To avoid personal injury: A Make adjustments to the seat only while the machine is stopped. A Make sure that the seat is completely secured after each adjustment.

  • Page 41: Seat Belt

    ROPS. hydraulic mechanism is not adjusted properly. Contact your local KUBOTA Dealer for adjustment. Adjust the seat belt for proper fit and connect to the A Do not depress the hydraulic lift control pedal.

  • Page 42: Parking Brake Pedal

    OPERATING THE MACHINE 4. Unlock the parking brake. 5. Operate the machine. BParking Brake Pedal BMotion Control Lever To release the parking brake: Depress the brake pedal and release slowly with your right foot, without pressing the parking brake lock To avoid personal injury: pedal.
  • Page 43 A No control is provided by the motion control section. We recommend you to contact your local levers when the engine is off. KUBOTA Dealer. C Neutral position C Re-start on slopes A Grasp the motion control levers and move them inward from the "NEUTRAL LOCK"...
  • Page 44 OPERATING THE MACHINE FORWARD: GENERAL RIGHT TURN: A Push both motion control levers forward equally at the A Push left motion control lever further forward than the same time. For travel forward in a straight line. right motion control lever. For forward travel to the right.

  • Page 45: Work Light (Optional Kit)

    OPERATING THE MACHINE WORK LIGHT (OPTIONAL KIT) PARKING TO LOCK: Depress the parking brake pedal firmly with your right foot, and the parking brake lock pedal simultaneously with your left foot. Then release the parking brake pedal while holding the parking brake lock pedal down. TO UNLOCK: Depress the parking brake pedal and release slowly with your right foot, without pressing the parking brake...

  • Page 46: Transporting

    OPERATING THE MACHINE TRANSPORTING 1. Transport the machine on a trailer. A Turn the fuel valve to the "OFF" position. A Fasten the machine to the trailer properly and comply with the federal and local regulations. A To prevent the hood from opening by wind while in transit, it is necessary to either load the machine backward or use a suitable tie down for the hood.

  • Page 47: Operating The Mower

    OPERATING THE MOWER OPERATING THE MOWER MAKING THE MOST OF YOUR MOWER 1. When using your mower for the first time, choose a smooth level area and cut in straight and slightly overlapping strips. 2. The size and type of the area to be mowed will determine the proper mowing pattern.
  • Page 48 OPERATING THE MOWER (1) Anti-scalp roller (Front, pin shift type) (2) Anti-scalp roller (Rear, bolt shift type) (1) Anti-scalp roller (Front, swivel type) (2) Anti-scalp roller (Rear, bolt shift type)
  • Page 49 OPERATING THE MOWER Reference A Set position for recommended ground clearance 19 mm (3/4 in.). The number of collars Position of Position of under the boss pins bolts Ground clearance Cutting mm (Ref.) height inch (mm) Rear anti-scalp roller Bolt shift type shift type 1.00"...

  • Page 50: Operating Mower

    OPERATING THE MOWER OPERATING MOWER BStarting To avoid serious injury or death: A Do not operate the mower without the To avoid serious injury or death: A Engine components can get extremely hot from discharge deflector being properly place. operation. To prevent severe burns, do not touch these areas while the engine is running, or immediately after it is turned off.

  • Page 51: Tires And Wheels

    TIRES AND WHEELS TIRES AND WHEELS TIRES WHEELS A When re-fitting a wheel, tighten the wheel bolt to the following torques then recheck after traveling 200 m To avoid serious injury: (200 yards) changing directions several times. A Do not attempt to mount a tire. This should be done by a qualified person with the proper equipment.

  • Page 52: Remove And Install Front Caster Wheels

    TIRES AND WHEELS BRemove and Install Front Caster Wheels C Removing 1. Park the machine on a firm and level surface. 2. Stop the engine and apply parking brake. 3. Lift the front of machine with a safe lifting device. 4.

  • Page 53: Maintenance

    MAINTENANCE MAINTENANCE SERVICE INTERVALS The following servicing tasks should be carried out on the machine at the stated running-time intervals. Indication hour meter (Hr) Ref. Items After Page since every Engine oil Change 100Hr every Engine oil filter Replace 200Hr HST transmission oil every Replace...
  • Page 54 See the Emissions Warranty Statement. 2. To ensure the best quality and reliability, use new KUBOTA Genuine parts or their equivalents for repair and replacement, whenever you have maintenance done.

  • Page 55: Periodic Service Chart Label

    MAINTENANCE PERIODIC SERVICE CHART LABEL (1) Part No. K3241-6552- (ENGLISH) (2) Part No. K3241-6553- (SPANISH)

  • Page 56: Lubricants And Fuel

    Note *1 Oil amount when the oil level is at the upper level of the oil level gauge. *2 KUBOTA original transmission hydraulic fluid A To prevent serious damage to hydraulic systems, use only KUBOTA genuine fluid or its equivalent.
  • Page 57 We recommend the use of KUBOTA UDT or SUPER UDT fluid for optimum protection and performance. (Consult your local KUBOTA Dealer for further detail.) Do not mix different brands together.

  • Page 58: Periodic Service

    PERIODIC SERVICE PERIODIC SERVICE HOW TO OPEN THE HOOD AND STEP BStep To open the step, pull the grip. To avoid personal injury from contact with moving parts: A Never open the hood while the engine is running. A Never open the step while the engine is running.

  • Page 59: How To Raise The Operator's Seat

    PERIODIC SERVICE C Lower HOW TO RAISE THE OPERATOR'S SEAT C Raise To avoid personal injury: A Do not drop the seat to close it. A Watch your hands. Do not place your hands To avoid personal injury: under the seat, when closing. A Fully raise the operator's seat.

  • Page 60: How To Open The Lever Guide

    PERIODIC SERVICE HOW TO OPEN THE LEVER GUIDE LIFT-UP POINT To avoid personal injury: To avoid serious injury, death or machine damage: A Park the machine on a firm and level surface. A Do not work under the machine unless it is A Stop the engine, remove the key and apply the secured by safe stands or suitable blocking.

  • Page 61: Daily Check

    Greasing and vibration. Brake play Starting the Safety devices. engine Air cleaner primary element If either of these do not operate properly, contact Machine body cleaning your local KUBOTA Dealer immediately. Check the areas where Others previous trouble was experienced.

  • Page 62: Checking Engine Oil Level

    6. Use the proper Engine Oil SAE according to the A Tighten the fuel cap until it clicks. ambient temperatures. (See "LUBRICANTS AND A Do not use the fuel cap other than KUBOTA approved FUEL" in "MAINTENANCE" section.) one. A Do not permit dirt or trash or water to get into the fuel system.

  • Page 63: Checking And Cleaning Radiator Screen And Bonnet Screen To Prevent Overheating

    PERIODIC SERVICE A Fuel blend differs from season to season for the best seasonal engine performance. To prevent engine BChecking and Cleaning Radiator Screen performance troubles such as vapor lock or hard and Bonnet Screen to Prevent starting, use fuel within the season in which the fuel is Overheating purchased.

  • Page 64: Checking Tire Pressure

    PERIODIC SERVICE BChecking Tire Pressure To avoid serious injury: A Do not attempt to mount a tire on a rim. This should be done by a qualified person with the proper equipment. A Always maintain the correct tire pressure. Inflation pressure in front tires rises quickly when using compressed air.

  • Page 65: Checking Transmission Fluid Level

    A If the radiator cap has to be removed, follow the caution above and securely retighten the cap. A Use clean, distilled water and anti-freeze to fill the radiator and the recovery tank. A If water should leak, consult your local KUBOTA Dealer.

  • Page 66: Lubricating All Grease Fittings

    PERIODIC SERVICE BLubricating All Grease Fittings BChecking Movable Parts If any of the movable parts, such as levers and pedals, is not smoothly moved because of rust or anything sticky, do To avoid personal injury: not attempt to force it into motion. A Be sure to stop the engine and remove the key In the above case, remove the rust or the sticky thing, and before greasing.

  • Page 67: Every 50 Hours

    4. Turn the key switch to "START" position. A If the engine cranks Test 1 through 4, consult your 5. The engine must not crank. local KUBOTA Dealer to have the unit checked before operation. Test 2 (OPERATOR ON THE SEAT) 1.

  • Page 68: Checking Gear Box Oil Level

    PERIODIC SERVICE If serial numbers of mower are as indicated below BChecking Gear Box Oil Level RCK60P-327Z:40001 and above RCK72P-332Z:20001 and above To avoid personal injury: 1. Park the machine on a flat surface and lower the A Always stop the engine and remove the key mower to the ground.

  • Page 69: Greasing

    PERIODIC SERVICE BGreasing To avoid personal injury: A Be sure to stop the engine and remove the key before greasing. Apply a small amount of multipurpose grease to the following points every 50 hours: If you operated the machine in extremely wet and muddy conditions, lubricate grease fittings more often.
  • Page 70 PERIODIC SERVICE (1) Front lift arm (A) "PULL" (2) Snap pin (3) Hinge pin (1) Machine universal joint (2) Engine (3) Radiator...

  • Page 71: Oiling

    PERIODIC SERVICE BOiling (1) Seat adjuster (1) Throttle cable (oil) (2) Choke cable (oil) (1) Motion control lever pivot bushing (LH, RH) (1) Throttle cable (oil) (1) Motion control lever contact position (LH, RH) (1) Choke cable (oil)

  • Page 72: Every 100 Hours

    PERIODIC SERVICE EVERY 100 HOURS BChecking Spark Plug Condition & Gap BChanging Engine Oil To avoid serious injury: To avoid personal injury: A Do not check sparking of the spark plug with it A Be sure to stop the engine and remove the key removed, fire may occur.

  • Page 73: Cleaning Air Cleaner Primary Element

    PERIODIC SERVICE 7. Check the gap using a wire feeler gauge. Adjust the gap from 0.6 to 0.7 mm (0.024 to 0.028 in.) by carefully BCleaning Air Cleaner Primary Element bending the ground electrode. 1. Remove the rubber band. 2. Remove the air cleaner cover and primary element. 3.

  • Page 74: Checking Fuel Lines

    PERIODIC SERVICE BChecking Fuel Lines To avoid personal injury: A Be sure to stop the engine and remove the key when attempting to make the following checks and changes. A Never fail to check the fuel lines periodically. The fuel lines are subject to wear and aging. Fuel may leak out onto the running engine, causing a fire.
  • Page 75 PERIODIC SERVICE (1) Pipe clamps (1) Pipe clamps (3) Two way valve (2) Fuel filter (2) Fuel line (4) Carbon canister (1) Pipe clamps (A) Left fuel tank (1) Separator (2) Fuel line (2) Fuel line (3) Pipe clamps (1) Pipe clamps (2) Fuel line (1) Pipe clamps (2) Two way valve...

  • Page 76: Adjusting Fan Drive Belt Tension

    PERIODIC SERVICE BAdjusting Fan Drive Belt Tension To avoid personal injury: A Be sure to stop the engine and remove the key before checking belt tension. If the fan drive belt becomes loose, the engine may overheat. To adjust, loosen bolts and move the dynamo outward to tighten the belt.

  • Page 77: Adjusting Parking Brake

    PERIODIC SERVICE 6. Release the parking brake completely. 7. Hold the brake rod lightly. BAdjusting Parking Brake 8. Check the brake spring play. To avoid personal injury: The spring must have play. (B): Proper brake A Park the machine on a firm and level surface. Reference: 0.5 to 1.0 mm spring play A Stop the engine and chock the wheels before...

  • Page 78: Battery Condition

    PERIODIC SERVICE C Adjustment of brake spring length 1. Place the motion control lever to the "NEUTRAL BBattery Condition LOCK" position. 2. Apply the parking brake to the lock position. 3. Loosen the lock nuts. To avoid the possibility of battery explosion: 4.

  • Page 79: Adjusting Throttle Cable

    PERIODIC SERVICE C Battery Charging 6. When exchanging an old battery with new one, use a battery equal specification shown "SPECIFICATIONS". To avoid serious injury or death: (For non-accessible maintenance-free type batteries.) A When the battery is being activated, hydrogen Maintenance-free, non-accessible batteries are designed and oxygen gases in the battery are extremely to eliminate the need to add water.

  • Page 80: Checking Carbon Canister Air Filter

    PERIODIC SERVICE 2. Make sure a speed control lever (2) is touching the restricting bolt (1). BChecking Carbon Canister Air Filter If not, loosen the rear nut (6) and tighten the front nut Check the carbon canister air filter every 100 hours of (5) so that the speed control lever (2) would touch the operation.

  • Page 81: Every 150 Hours

    PERIODIC SERVICE EVERY 150 HOURS If serial numbers of mower are as indicated below BChanging Gear Box Oil RCK60P-327Z:40001 and above RCK72P-332Z:20001 and above 1. To drain the used oil, remove the drain plug and oil To avoid personal injury: inlet plug with gauge at the gear box and drain the oil A Be sure to stop the engine and remove the key completely into the oil pan.

  • Page 82: Every 200 Hours

    Check for oil leaks around filter gasket. A To prevent serious damage engine, replacement element of the recommended type must be used. Use only a genuine KUBOTA filter or its equivalent. (1) Radiator core (2) Radiator hose (1) Engine oil filter...

  • Page 83: Checking Hydraulic Hose

    PERIODIC SERVICE 3. Fluid escaping from pinholes may be invisible. Use a piece of cardboard or wood to search for suspected BChecking Hydraulic Hose leaks: do not use hands. Use safety goggles or other eye protection. If injured by escaping fluid, see a medical doctor at To avoid personal injury: once.

  • Page 84: Replacing Transmission Oil Filter [Hst]

    6. After the new filter has been replaced, the transmission fluid level normally lowers a little. Add fluid to proper level. Check for oil leaks around filter gasket. A To prevent serious damage or premature failure to the hydraulic system, use only a KUBOTA genuine filter.

  • Page 85: Checking Intake Air Line

    PERIODIC SERVICE EVERY 400 HOURS BChecking Intake Air Line BChanging Transmission Fluid and Rear 1. Check to see that hoses and hose clamps are tight and Axle Gear Case Oil (RH and LH) not damaged. 2. If hoses and clamps are found worn or damaged, replace or repair them at once.

  • Page 86: Replacing Hydraulic Oil Filter

    PERIODIC SERVICE BReplacing Hydraulic Oil Filter To avoid personal injury: A Be sure to stop the engine and remove the key before changing the oil filter. A Allow transmission case cool down sufficiently; oil can be hot and may cause burns.

  • Page 87: Replacing Fuel Filter

    PERIODIC SERVICE EVERY 500 HOURS A To prevent serious damage or premature failure to the hydraulic system, use only a KUBOTA genuine filter. BAdjusting Engine Valve Clearance If you do not have the proper tools and/or are not mechanically proficient, consult your local KUBOTA BReplacing Fuel Filter Dealer for this service.

  • Page 88: Flushing Cooling System And Changing Coolant

    PERIODIC SERVICE BFlushing Cooling System and Changing Coolant To avoid personal injury: A Do not remove the radiator cap when the engine is hot. Then loosen cap slightly to the stop to relieve any excess pressure before removing cap completely. 1.

  • Page 89: Anti-Freeze

    A When draining fluids from the engine, place 7. Kubota's genuine LLC has a service life of 2 years. Be some container underneath the engine body. If sure to change the coolant liquid every 2 years.

  • Page 90: Every 2 Years

    PERIODIC SERVICE EVERY 2 YEARS SERVICE AS REQUIRED BReplacing Hydraulic Hose BReplacing Fuses Consult your local KUBOTA Dealer for this service. Replacement of the fuse 1. Raise the operator's seat. BReplacing Fuel Lines 2. Remove the blown fuse. 3. Place a new fuse of the same capacity in position.

  • Page 91: Checking And Replacing Blade

    PERIODIC SERVICE C Protected circuit BChecking and Replacing Blade CAPACITY FUSE NO. Protected circuit Charge system To avoid personal injury: Engine stop A Be sure to stop the engine and remove the key. A Blades may be sharp. When you handle blades, Main system wear heavy gloves or wrap end of blade with a Aux.
  • Page 92 PERIODIC SERVICE (1) Block (A) "LOOSEN" 3. To sharpen the blades yourself, clamp the blade securely in a vise. (1) Spindle holder Use a large mill file and file along the original bevel (2) Blade until sharp. (3) 2-Cup washers 4.

  • Page 93: Mower Belt Replacement

    PERIODIC SERVICE BMower Belt Replacement 1. Remove the mower deck from the machine according to the procedure "DISMOUNTING THE MOWER DECK". 2. Remove the left and right hand shield from the mower deck. 3. Clean around the gear box. 4. Remove the belt from the tension pulley. 5.

  • Page 94: Adjustment

    9. Lengthen the rod by 1/2 turn and then tighten the lock adjustments correctly and safely, please nut. contact your local KUBOTA Dealer. Place the motion control lever to the reverse position, and move them to the forward slowly. 10. Place the lever in the "NEUTRAL LOCK" position, and A Right and left motion control levers can be adjusted check that the rear axle does not rotate.

  • Page 95: Motion Control Lever Neutral Position

    ADJUSTMENT BMOTION CONTROL LEVER NEUTRAL BMAXIMUM SPEED (FORWARD) POSITION Consult your local KUBOTA Dealer for this service. 1. Lift-up and secure with jack stands or blocking the rear BMOTION CONTROL LEVER ALIGNMENT of the machine frame. 2. Remove both rear wheels.

  • Page 96: Mower Deck Level

    ADJUSTMENT C Aligning the control levers MOWER DECK LEVEL 1. Stop the engine and apply the parking brake. BANTI-SCALP ROLLERS 2. Loosen the screws and remove the lever guide. Lever position (High or Low) 3. Remove the nuts and select the motion control lever To avoid personal injury: position, high or low.

  • Page 97: Level Mower Deck (Side-To-Side)

    ADJUSTMENT BLEVEL MOWER DECK (Side-to-Side) To avoid personal injury: A Park the machine on a firm and level surface. A Apply the parking brake. A Disengage PTO (OFF). A Stop the engine, remove the key and remove the mower universal joint while checking or adjusting the level of the mower deck.

  • Page 98: Level Mower Deck (Front-To-Rear)

    ADJUSTMENT BLEVEL MOWER DECK (Front-to-Rear) To avoid personal injury: A Park the machine on a firm and level surface. A Engage the parking brake. A Disengage PTO. A Stop the engine, remove the key and remove the mower universal joint while checking or adjusting the level of the mower deck.
  • Page 99 ADJUSTMENT Less than 6 mm (1/4 in.) Front-to-Rear Front side must be lower adjustment than Rear side. C Adjusting level (Front-to-Rear) 1. Raise up the mower deck to the transport position. (Also the top end). 2. Turn the cutting height set dial to the 3 in. cutting height position.

  • Page 100: General Torque Specification

    ADJUSTMENT GENERAL TORQUE SPECIFICATION American standard cap screws Metric cap screws with UNC or UNF threads GR.5 GR.8 Class 8.8 Class 10.9 SAE grade No. Property class (lbf-ft) 8 - 9.6 12 - 14.4 (lbf-ft) 7.2 - 8.3 (N-m) 10.7 - 12.9 16.1 - 19.3 (N-m) 9.81 - 11.3...

  • Page 101: Tightening Torque Chart

    ADJUSTMENT TIGHTENING TORQUE CHART Thread Hexa-Bolt No mark size Head size lbf-ft kgf-m lbf-ft kgf-m d (mm) B (mm) 13.0 - 15.2 17.8 - 20.6 1.9 - 2.1 17.5 - 20.3 23.5 - 27.5 2.4 - 2.8 12 or 13 (14.1 1.1) (19.2...

  • Page 102: Storage

    STORAGE STORAGE REMOVING THE MACHINE FROM STORAGE To avoid personal injury: 1. Check the tire air pressure and inflate the tires if they A Do not clean the machine with engine running. are low. A To avoid danger exhaust fume 2.

  • Page 103: Troubleshooting

    A Replace fuel and the fuel filter. (Fuel quality is poor.) A Water or dirt in the fuel system. A Replace fuel and see your Kubota dealer. A Fuel hose or fuel filter clogged or A Clean or replace fuel lines, and see damaged.
  • Page 104 A Spark plug defective. A Adjust the spark plug gap or replace it. Rough engine running. A High tension cord defective. A See your Kubota dealer. A Carburetion problems. A See your Kubota dealer. A Ignition coil defective. A See your Kubota dealer.

  • Page 105: Battery Troubleshooting

    A See your Kubota dealer. Exhaust flames. A High tension cord defective. A See your Kubota dealer. A Wire harness defective. A See your Kubota dealer. If you have any questions, contact your local KUBOTA Dealer. BATTERY TROUBLESHOOTING Symptom (If) Cause Remedy Preventive measure...

  • Page 106: Machine Troubleshooting

    LOCK" position. adjustment. (Engine is operated.) A Control linkage pivots are sticking. A Full up and lubricate linkage. If you have any questions, contact your local KUBOTA Dealer. MOWER TROUBLESHOOTING Symptom (If) Cause Remedy A PTO system is not normal: A See your Kubota Dealer.
  • Page 107 A Ground speed too fast. A Slow down. A Debris wrapped around mower spindles. A Clean mower. A Front of deck too low. A Adjust mower deck. (See "MOWER DECK LEVEL" "ADJUSTMENT" section.) If you have any questions, contact your local KUBOTA Dealer.

  • Page 108: Engine Emission Related Information

    *) Prepared for the users who have lost original carburetor's jet. Altitude compensation kit part number: Please contact your local KUBOTA dealer and specify your engine type and engine serial number.

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