Kubota ZG222A-AU Operator's Manual

Kubota ZG222A-AU Operator's Manual

Zero turn
Table of Contents

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PRINTED IN U.S.A.
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English (Australia)
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Code No. K3277-7121-6
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©
KUBOTA Corporation 2010
OPERATOR'S MANUAL
1BDABDNAP0760
READ AND SAVE THIS MANUAL
MODELS ZG222A-AU
ZG227A-AU

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Summary of Contents for Kubota ZG222A-AU

  • Page 1 OPERATOR'S MANUAL MODELS ZG222A-AU ZG227A-AU · English (Australia) 1BDABDNAP0760 Code No. K3277-7121-6 READ AND SAVE THIS MANUAL PRINTED IN U.S.A. © KUBOTA Corporation 2010...
  • Page 2: Universal Symbols

    KUBOTA Corporation is ··· Revolutions Per Minute Society of Automotive Engineers Since its inception in 1890, KUBOTA Corporation has grown to rank as one of the major firms in Japan. To achieve this status, the company has through the years...
  • 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 .................... SERVICING OF MACHINE ..................1 SPECIFICATIONS....................... 3 IMPLEMENT LIMITATIONS ..................6 INSTRUMENT PANEL AND CONTROLS..............7 MOWER MOUNTING ....................9 MOUNTING THE MOWER DECK ................9 ADJUSTING THE MOWER ................... 10 DISMOUNTING THE MOWER DECK ..............10 OPERATING THE ENGINE..................
  • Page 5 CONTENTS STOPPING......................26 PARKING ....................... 26 TRANSPORTING....................27 OPERATING THE MOWER ..................28 MAKING THE MOST OF YOUR MOWER............. 28 ADJUSTING CUTTING HEIGHT ................28 OPERATING MOWER................... 31 PTO Lever ........................31 Starting ........................... 31 TIRES AND WHEELS ....................32 TIRES........................32 Inflation Pressure......................
  • Page 6 CONTENTS Adjusting Parking Brake ....................56 Battery Condition ......................57 Adjusting Throttle Cable ....................59 EVERY 150 HOURS ....................59 Changing Gear Box Oil....................59 EVERY 200 HOURS ....................60 Replacing Engine Oil Filter ..................... 60 Checking Spark Plug Condition & Gap................61 Checking Hydraulic Hose ....................
  • Page 7 CONTENTS Inspecting and Cleaning Fuel Filter Bowl ............... 80 TROUBLESHOOTING....................82 ENGINE TROUBLESHOOTING ................82 BATTERY TROUBLESHOOTING ................. 84 MACHINE TROUBLESHOOTING ................. 84 MOWER TROUBLESHOOTING................85 ENGINE EMISSION RELATED INFORMATION............87 INDEX........................88...
  • Page 8 8. Do not operate the machine or any attachments while 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 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 attempt to mount a tire on a rim unless qualified to do so and all proper safety precautions are followed. C Servicing 11.
  • Page 12 26. See your local Recycling Center or KUBOTA Dealer to learn how to recycle or get rid of waste products. A A Material Safety Data Sheet (MSDS) provides specific details on chemical products;...
  • Page 13 SAFE OPERATION 7. DANGER, WARNING AND CAUTION LABELS...
  • Page 14 SAFE OPERATION...
  • Page 15 SAFE OPERATION...
  • Page 16 SAFE OPERATION...
  • Page 17 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 ZG222A-AU ZG227A-AU Model KGZ770-MA3 KGZ770-MA2 Max. engine power (Gross) kW (HP) 16.4 (22) (*1) 20.1 (27) (*1) Type Air-cooled gasoline engine Number of cylinders 2 (V-Twin) 84.2 x 69 Bore and stroke mm (in.) (3.31 x 2.72) Total displacement cm (cu.
  • Page 21 Model ZG222A-AU ZG227A-AU 1 speed Revolution (2530 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 RCK48P-222Z RCK54P-227Z Suitable machine ZG222A-AU ZG227A-AU Mounting method Quick joint, Parallel linkage Adjustment of cutting height Dial gauge Cutting width mm (in.) 1225 (48) 1375 (54) Cutting height mm (in.) 25 to 127 (1.0 to 5.0) Weight (Approx.) kg (lbs.)
  • 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......11, 22 (10) Cutting height control dial..... Parking brake lock pedal...... 11, 22 (11) Key switch..........Lift lock lever........(12) Easy checker (TM)....... Motion control lever......11, 23 (13) Choke knob..........
  • Page 25: Illustrated Contents

    INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS (1) Anti-scalp roller (Front, bolt shift type)..28 (2) Anti-scalp roller (Rear, bolt shift type)..28...
  • Page 26: Mower Mounting

    MOWER MOUNTING MOWER MOUNTING MOUNTING THE MOWER DECK 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. 1. Before mounting the mower deck, raise the lift links to the full up position.
  • Page 27: Adjusting The Mower

    MOWER MOUNTING (1) Universal joint (A) "PULL" (2) Coupler 10. After mounting the mower, check the mower level. If necessary, adjust the mower level and anti-scalp rollers. ADJUSTING THE MOWER See "OPERATING THE MOWER" section. DISMOUNTING THE MOWER DECK For dismounting the mower deck, reverse the above procedures.
  • Page 28: 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 29: Motion Control Lever

    OPERATING THE ENGINE 3. Make sure that the PTO lever is in the 5. Release the hydraulic lift control pedal "DISENGAGED" (OFF) position. to the "DOWN" position. (1) PTO lever "ENGAGED" (ON) (1) Hydraulic lift control pedal Depressing: "UP" "DISENGAGED" (OFF) Release: "DOWN"...
  • Page 30: Throttle Lever And Choke Knob

    The engine/equipment may be operated during the warm- jump start using another battery. up period, but it may be necessary to leave the choke Consult your local KUBOTA dealer. partially on until the engine warms up. A Do not turn the key switch to the "START" position while the engine is running.
  • Page 31: Check During Operating

    OPERATING THE ENGINE CHECK DURING OPERATING BFuel Gauge While operating, make the following checks to see that all Be careful not to empty the fuel tank. Otherwise air may the parts are functioning normally. enter the fuel system. If this should happen, the fuel system should be bled. BImmediately Stop the Engine if: (See "SERVICE...
  • Page 32: Hour Meter

    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 33: Jump Starting

    OPERATING THE ENGINE JUMP STARTING A Use of a higher voltage source on a machine could 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 34: Stopping The Engine

    Turn the carburetor fuel valve to "STOP" 5. Turn the carburetor fuel valve to "STOP" (CLOSE) (CLOSE) position and wait until the engine stops. Then position. contact your local KUBOTA Dealer immediately. (1) Carburetor fuel valve (A) "STOP" (CLOSE) (1) Carburetor fuel valve (A) "STOP"...
  • Page 35: 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, of course, tested, but the various parts are not control.
  • Page 36: 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 37: To Raise The Rops To Upright Position

    OPERATING THE MACHINE BTo Raise the ROPS to Upright Position BAdjustment of Foldable ROPS 1. Remove both hair pins and lock pins. A Adjust free fall of the ROPS upper frame regularly. 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 38: Starting

    A Do not use the seat belt if a foldable ROPS is hydraulic mechanism is not adjusted properly. Contact down or there is no ROPS. 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 continuously while operating the machine.
  • Page 39: Throttle Lever

    OPERATING THE MACHINE 3. Accelerate the engine. 4. Unlock the parking brake. BThrottle Lever BParking Brake Pedal Moving the throttle lever backward decreases the engine To release the parking brake: speed and moving it forward increases the engine speed. Depress the brake pedal and release slowly with your right foot, without pressing the parking brake lock pedal.
  • Page 40: Motion Control Lever

    OPERATING THE MACHINE Stop position 5. Operate the machine. C Neutral lock position A Forward and reverse movement of the motion control BMotion Control Lever levers are prevented when levers are in "NEUTRAL LOCK" position. (Engine can only be started with levers in this position.) To avoid personal injury: A Understand how to use the motion control...
  • Page 41 We recommend you to contact your local A To make restarting on the slopes easier, this machine KUBOTA Dealer. has the "CREEP" position. C Re-start on the slopes A If hand pressure is released from the motion control levers after moving them from the "NEUTRAL LOCK"...
  • Page 42 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 43: 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 handling the parking brake lock pedal down.
  • Page 44: Transporting

    OPERATING THE MACHINE TRANSPORTING 1. Transport the machine on a trailer. A Turn the carburetor fuel valve to the "OFF" position. A Fasten the machine to the trailer. 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 45: 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 46 OPERATING THE MOWER A Never allow roller to contact the ground continuously as premature roller wear may develop if set incorrectly. A Anti-scalp rollers must maintain a minimum clearance of 6 mm (1/4 in.) to the ground. [BOLT] (1) Anti-scalp roller (Front, bolt shift type) (2) Anti-scalp roller (Rear, bolt shift type)
  • Page 47 OPERATING THE MOWER Reference A Set position for recommended ground clearance 19 mm (3/4 in.). Position of bolts Ground clearance Cutting mm (Ref.) height inch (mm) Bolt shift type 1.00" (25) 1.25" (32) 1.50" (38) 1.75" (44) 2.00" (50) 2.25" (58) 2.50"...
  • Page 48: 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 in place properly. operation.
  • Page 49: 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 50: 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 51: 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 Page After since Engine oil Change every 100Hr Engine oil filter Replace every 200Hr Transmission oil filter Replace every 200Hr...
  • Page 52 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 53: Periodic Service Chart Label

    MAINTENANCE PERIODIC SERVICE CHART LABEL (1) Part No. K3277-6551- (ENGLISH)
  • Page 54: 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 55 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 56: 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 57: How To Raise The Operator's Seat

    PERIODIC SERVICE HOW TO RAISE THE OPERATOR'S SEAT 3. Raise the operator's seat to the "LOCK" position. C Raise To avoid personal injury: A Fully raise the operator's seat. (To the locked position) Do not keep the seat halfway. 1. Seat must be all the way back before raising. 2.
  • Page 58: 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 59: Rear Side

    PERIODIC SERVICE DAILY CHECK BRear side: To prevent trouble from occurring, it is important to know Hoist the rear frame with nylon slings. Or jack up the the condition of the machine. Check it before starting. bottom plate. To avoid personal injury: A Be sure to check and service the machine on a level surface with the engine shut off, the key removed and the parking brake securely set or...
  • Page 60: Checking Engine Oil Level

    Fuel tank capacity 27 L (7.1 U.S.gals.) A Do not mix oil with gasoline. A Do not use the fuel cap other than KUBOTA approved one. A Do not permit dirt or trash or water to get into the fuel system.
  • Page 61: Checking And Cleaning Air Intake Screen And Air Intake Area 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 Air Intake Screen performance troubles such as vapor lock or hard and Air Intake Area to Prevent starting, use fuel within the season in which the fuel is Overheating purchased.
  • Page 62: 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 63: Checking Transmission Fluid Level

    PERIODIC SERVICE BChecking Transmission Fluid Level BLubricating All Grease Fittings To avoid personal injury: To avoid personal injury: A Allow the transmission case to cool down A Be sure to stop the engine and remove the key sufficiently when cleaning its surface. before greasing.
  • Page 64: Every 50 Hours

    4. Turn the key switch to "START" position. A If the engine cranks Test 1 through 7, 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 65: Checking Gear Box Oil Level

    PERIODIC SERVICE If serial numbers of mower are as indicated below BChecking Gear Box Oil Level RCK48P-222Z:30001 and above RCK54P-227Z:30001 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 66: 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 67: Oiling

    PERIODIC SERVICE BOiling (1) Lift control cable (oil) (1) Machine universal joint (1) Choke cable (oil) (2) Throttle cable (oil) (1) Seat adjuster (1) Choke cable (oil) (2) Throttle cable (oil)
  • Page 68: Every 100 Hours

    PERIODIC SERVICE EVERY 100 HOURS BCleaning Air Cleaner Primary Element 1. Remove the air cleaner cover and primary element. BChanging Engine Oil 2. Clean the primary element: (1) When dry dust adheres to the element, blow compressed air from the inside, turning the element.
  • Page 69: Cleaning Engine Shroud Panel

    PERIODIC SERVICE BCleaning Engine Shroud Panel To avoid personal injury: A Make sure the engine is cool enough to touch before removing shrouds other components. A Always shield eyes and a face from air deposits and objects. 1. Stop the engine and apply the parking brake. 2.
  • Page 70: Cleaning Engine Oil Cooler Fins

    PERIODIC SERVICE 10. Undo the rubber hook and open the air intake screen. BCleaning Engine Oil Cooler Fins Remove the debris on the surface of the air intake area [ZG227 only] by hand and blow off small debris with compressed air. This engine is equipped with an oil cooler.
  • Page 71: Checking Fuel Lines

    PERIODIC SERVICE 4. Remove large debris from both sides of the engine oil cooler fin by hand, and then blow off small debris with the compressed air. Pressure of compressed air must be under 205 kPa (2.1 kgf/cm , 30 psi). 5.
  • Page 72: Cleaning Fuel Filter Bowl

    PERIODIC SERVICE A Take care not to damage and misplace the element BCleaning Fuel Filter Bowl and packing. Before supplying fuel, clean the fuel filter bowl. A If they are excessively dirty (clogged), they will be clogged again in short hours after cleaning. A If dirt or any other foreign matter is included in fuel, the 4.
  • Page 73: 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 74: 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 75 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 76: Adjusting Throttle Cable

    PERIODIC SERVICE EVERY 150 HOURS BAdjusting Throttle Cable BChanging Gear Box Oil 1. Move the throttle lever to the top position. To avoid personal injury: A Be sure to stop the engine and remove the key before changing the oil. If serial numbers of mower are as indicated below RCK48P-222Z:30000 and below RCK54P-227Z:30000 and below...
  • Page 77: Every 200 Hours

    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) Drain plug (A) Oil level is acceptable within (1) Engine oil filter (2) Check plug this range.
  • Page 78: Checking Spark Plug Condition & Gap

    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 BChecking Spark Plug Condition & Gap bending the ground electrode. Remove the spark plugs, check condition, and reset the gap or replace with new plugs as necessary.
  • Page 79: Checking Hydraulic Hose

    PERIODIC SERVICE BChecking Hydraulic Hose To avoid personal injury: A Be sure to stop the engine, remove the key, and relieve pressure before checking and replacing the hydraulic hose. A Allow the transmission case to cool down sufficiently; oil can be hot and may cause burns.
  • Page 80: Replacing Transmission Oil Filter Cartridge

    PERIODIC SERVICE A To prevent serious damage or premature failure to the BReplacing Transmission Oil Filter hydraulic system, use only a KUBOTA genuine filter. Cartridge BAdjusting the Motion Control Lever Pivot To avoid personal injury: A Be sure to stop the engine and remove the key before changing the oil filter.
  • Page 81: Checking Intake Air Line

    (1) Hose (2) Clamp BCleaning Engine Shroud Consult your local KUBOTA Dealer for this service. (1) Drain plug of center case 2. After draining, open the air intake screen. Remove the snap pin and push down the bottom clean lever to open the dust cover;...
  • Page 82 PERIODIC SERVICE (1) Drain plug of axle case (on both sides) (1) Bottom clean lever (A) Air intake screen (2) Snap pin (B) Dust cover (3) Stay (P) "PUSH DOWN" 3. Disassemble and clean the strainer and change the oil filter cartridge.
  • Page 83: Cleaning Transmission Strainer

    A Since the fine filings in the oil can damage the precision component parts of the hydraulic system, the end of the suction line is provided with an oil strainer. (1) Secondary element BReplacing Fuel Filter Consult your local KUBOTA Dealer for this service.
  • Page 84: 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. 2. Remove the blown fuse. BReplacing Fuel Lines 3. Place a new fuse of the same capacity in position.
  • Page 85: Checking And Replacing Blade

    PERIODIC SERVICE C Protected circuit BChecking and Replacing Blade CAPACITY FUSE NO. Protected circuit Main system To avoid personal injury: Aux. outlet A Be sure to stop the engine and remove the key. A Blades may be sharp. When you handle blades, Control system wear heavy gloves or wrap end of blade with a *(Work light)
  • Page 86 PERIODIC SERVICE [RCK48P, RCK54P] (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) Spindle guard until sharp. (3) Blade (4) 2-Cup washer 4.
  • Page 87: 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 88: Adjustment

    They are interlinked. A If you feel you are unable to make the following adjustments correctly and safely, please contact your local KUBOTA Dealer. A Right and left motion control levers can be adjusted independently. A This machine has a creep speed.
  • Page 89: Creep Speed

    ADJUSTMENT BMAXIMUM SPEED (FORWARD) BCREEP SPEED Consult your local KUBOTA Dealer for this service. 1. Lift-up and secure with jack stands or blocking the rear of the machine frame. BMOTION CONTROL LEVER ALIGNMENT 2. Remove both rear wheels. C Check the alignment 3.
  • Page 90: Mower Deck Level

    ADJUSTMENT MOWER DECK LEVEL C Aligning the control levers 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 bolts and select the motion control lever To avoid personal injury: position, high or low.
  • Page 91: Level Mower Deck (Side-To-Side)

    ADJUSTMENT Rear side anti-scalp roller BLEVEL MOWER DECK (Side-to-Side) 8. Adjust the height of the rear side anti-scalp roller to one of three positions to approximately 19 mm (3/4 in.) between rollers and the ground. Adjust both side rollers to the same height. To avoid personal injury: A Park the machine on a firm and level surface.
  • Page 92: 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 93 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 94: 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 95: 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 96: 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 97: Inspecting And Cleaning Fuel Filter Bowl

    STORAGE 5. After that, turn the carburetor fuel valve to the "STOP" (CLOSE) position. BInspecting and Cleaning Fuel Filter Bowl Clean the fuel filter bowl before adding fuel to the engine. A Before adding fuel, make sure the carburetor fuel valve is in the "STOP"...
  • Page 98 STORAGE (1) Carburetor fuel valve (2) Element (3) Packing (4) Fuel filter bowl (5) Ring screw A Use caution not to damage or lose the element or packing. A Replace any element that shows an excessive plugging with a new one. 4.
  • Page 99: 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 100 A Spark plug defective. A Adjust the spark plug gap or replace it. A Faulty spark plug. A Replace the spark plug. A Carburetion problem. A See your Kubota dealer. If you have any questions, contact your local KUBOTA Dealer.
  • Page 101: Battery Troubleshooting

    A Charging system A Contact your local trouble. KUBOTA Dealer. If you have any questions, contact your local KUBOTA Dealer. MACHINE TROUBLESHOOTING Symptom (If) Cause Remedy Machine operation is not A Hydrostatic transmission fluid is A Replenish oil. smooth.
  • Page 102: Mower Troubleshooting

    MOWER TROUBLESHOOTING Symptom (If) Cause Remedy Blade does not rotate. A PTO system is not normal: A See your Kubota Dealer. PTO system malfunctioning. A PTO system is normal: A Replace. Broken mower belt. Mower belt slipping. A Weaken tension spring.
  • Page 103 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 104: Engine Emission Related Information

    *) If you have lost the original carburetor, please buy the 0 m kit. Altitude compensation kit part number: Please consult your local KUBOTA dealer and specify your engine type and engine serial No.
  • Page 105: Index

    INDEX INDEX Key Switch ............. 13 Adjustment of Foldable ROPS .......20 LEVEL MOWER DECK (Front-to-Rear) ..75 Air Cleaner Primary Element......51 LEVEL MOWER DECK (Side-to-Side) ..74 Air Cleaner Primary Element and Secondary Lubricating All Grease Fittings....... 46 Element ............66 Lubricating Oil for New Machines ....

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