Kubota ZD1211-AU Operator's Manual

Kubota ZD1211-AU Operator's Manual

Zero turn mower
Table of Contents

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English (Australia)
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Code No. K3444-7126-1
© KUBOTA Corporation 2019
OPERATOR'S MANUAL
1SDNT00001A01
READ AND SAVE THIS MANUAL
MODELS ZD1211-AU
ZD1221R-AU
ZD1221L-AU
ZD1221RL-AU

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Do you have a question about the ZD1211-AU and is the answer not in the manual?

Questions and answers

Alex Nelon
April 12, 2025

where does the hour meter get its signal from? is there an oil pressure switch? mine displays digits but has stopped counting time

1 comments:
Mr. Anderson
May 14, 2025

The hour meter on the Kubota ZD1211-AU records the hours the machine has been operated. It shows 5 digits, with the last digit indicating 1/10 of an hour. The source of the hour meter signal is operation time, but the specific signal source (such as ignition or oil pressure) is not stated in the provided context. There is no mention of an oil pressure switch in the provided information.

Answer: The hour meter records machine operation time; the source of its signal and presence of an oil pressure switch are not specified.

This answer is automatically generated

Ray Webster
March 18, 2025

Replacing the drive belt on ZD1221

1 comments:
Mr. Anderson
March 18, 2025

To replace the drive belt on a Kubota ZD1211-AU, follow these steps:

1. Remove the old belt by reversing the installation procedure.
2. Install the new belt by following the reverse of the removal steps.
3. Ensure that the bracket bolts are securely tightened to 77.5 to 90.2 N⋅m (8.0 to 9.2 kgf⋅m, 57.1 to 66.5 lbf⋅ft).

Make sure to follow safety precautions while performing the replacement.

This answer is automatically generated

Burt Stein
April 28, 2025

ZD1211-3-72

Summary of Contents for Kubota ZD1211-AU

  • Page 1 OPERATOR'S MANUAL MODELS ZD1211-AU ZD1221R-AU ZD1221L-AU ZD1221RL-AU · · · 1SDNT00001A01 English (Australia) AX . H . 1 - 1 . - . AK Code No. K3444-7126-1 READ AND SAVE THIS MANUAL © KUBOTA Corporation 2019 PRINTED IN U.S.A.
  • Page 2 KUBOTA Corporation is ··· ASTM American Society for Testing and Materials, USA Feet Per Minute Since its inception in 1890, KUBOTA Corporation has grown to Hydrostatic Transmission rank as one of the major firms in Japan. Meters Per Second Power Take Off...
  • 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

    CONTENTS SAFE OPERATION........................5 SERVICING OF MACHINE ......................17 WARRANTY................................ 18 SCRAPPING THE MACHINE AND ITS PROCEDURE ..................18 SPECIFICATIONS........................19 SPECIFICATION TABLE............................. 19 IMPLEMENT LIMITATIONS.......................21 INSTRUMENT PANEL AND CONTROLS .................22 INSTRUMENT PANEL, SWITCHES AND HAND CONTROLS ................22 MOWER ................................23 MOWER MOUNTING.........................24 MOUNTING THE MOWER DECK ........................
  • Page 5 2. Seat belt ..............................37 3. Hydraulic lift control pedal ......................... 38 4. Throttle lever.............................. 38 5. Parking brake pedal........................... 38 6. Motion control lever ........................... 39 6.1 Stop position of the motion control lever .................... 39 6.2 Operating position of the motion control lever..................39 6.3 Re-start on slopes ..........................
  • Page 6 PERIODIC SERVICE CHART LABEL ........................ 65 EVERY 50 HOURS ............................. 66 1. Checking the engine start system ......................66 2. Checking the OPC system ........................66 3. Checking gear box oil level........................67 4. Greasing ..............................68 5. Oiling ................................. 69 EVERY 100 HOURS ............................
  • Page 7 3. Checking and replacing blades ......................... 84 4. Replacing the mower belt .......................... 86 ADJUSTMENT ...........................87 MOTION CONTROL LEVER ..........................87 1. HST neutral ............................... 87 2. Maximum speed (forward) ......................... 87 3. Adjusting the motion control lever operating strength ................87 4.
  • Page 8: Safe Operation

    • Use only implements approved by KUBOTA. Use • Do not wear loose, torn, or bulky clothing around proper ballast on the front or rear of the machine to the machine.
  • Page 9 2. ROPS • The ROPS is an integral and effective safety device. • KUBOTA recommends the use of a roll-over protective structure (ROPS) and seat belt in almost all applications. This combination will reduce the risk of serious injury or death, should the machine be upset.
  • Page 10 SAFE OPERATION 3. Safety for children attachments to the ground, turn off the engine, and remove the key. Tragic accidents can occur if the operator is not alert of • Watch where you are going at all times. Watch for the presence of children.
  • Page 11 • Stay alert for holes in the terrain and other hidden • Use the PTO with KUBOTA approved attachments. hazards. Keep away from drop-offs. Uneven terrain The speed of PTO: could overturn the machine. Tall grass can hide ZD1211-AU, ZD1221R-AU, ZD1221L-AU, ZD1221RL- obstacles.
  • Page 12 SAFE OPERATION • Always stop the engine before refueling. Avoid container opening at all times until fueling is spills and overfilling. If fuel is spilled, do not attempt complete. Do not use a nozzle lock open device. to start the engine and avoid creating any source of •...
  • Page 13 SAFE OPERATION • Keep a first aid kit and fire extinguisher handy at all times. • Fluid escaping from pinholes may be invisible. Use a piece of cardboard or wood to search for suspected leaks: do not use hands. Use safety •...
  • Page 14 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 15 SAFE OPERATION SAFETY LABELS ZD1211,ZD1221...
  • Page 16 SAFE OPERATION ZD1211,ZD1221...
  • Page 17 SAFE OPERATION ZD1211,ZD1221...
  • Page 18 SAFE OPERATION ZD1211,ZD1221...
  • Page 19 • 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 20: Servicing Of Machine

    However, when in need of parts or major service, be sure to 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 21: Warranty

     SERVICING OF MACHINE WARRANTY WARRANTY This machine is warranted under the KUBOTA Limited Express Warranty, a copy of which may be obtained from your selling dealer. No warranty shall, however, apply if the machine has not been handled according to the instructions given in the operator's manual, even if it is within the warranty period.
  • Page 22: Specifications

    SPECIFICATION TABLE  SPECIFICATIONS SPECIFICATIONS SPECIFICATION TABLE Model ZD1211-AU ZD1221R-AU ZD1221L-AU ZD1221RL-AU Model D1105 D1305 *1*2*3 *1*3 Power kW (HP) 18.5 (24.8) 21.7 (29.1) Type Liquid-cooled Number of cylinders 78 × 78.4 (3.07 × Bore and stroke mm (in.) 78 × 88.0 (3.07 × 3.46) 3.09)
  • Page 23 Specifications and design subject to change without notice. SAE J1995 The engine output value indicated on the EPA exhaust gas label is the ISO8178 net value without a cooling fan. ZD1211-AU: 18.2 kW At 3000 engine rpm Oil amount when the oil level is at the upper level.
  • Page 24: Implement Limitations

     IMPLEMENT LIMITATIONS IMPLEMENT LIMITATIONS 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 25: Instrument Panel And Controls

     INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL, SWITCHES AND HAND CONTROLS INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL, SWITCHES AND HAND CONTROLS Illustrated contents (1) Parking brake pedal…27, 38 (15) Neutral indicator (Motion control lever)…27 (2) Parking brake lock pedal…27, 38 (16) Parking brake warning indicator…27 (3) Motion control lever…27, 39 (17) Master system warning indicator…29 (4) LCD monitor…30...
  • Page 26: Mower

    MOWER  INSTRUMENT PANEL AND CONTROLS MOWER RCK60P, RCK72P (1) Anti-scalp roller (front, swivel type)…44 (2) Anti-scalp roller (rear, bolt shift type) rear RH roller is only for RCK72P…44 (3) Discharge deflector (4) Gear box RCK60R, RCK72R (1) Anti-scalp roller (front, swivel type)…44 (2) Anti-scalp roller (rear, bolt shift type)…44 (3) Gear box ZD1211,ZD1221...
  • Page 27: Mower Mounting

     MOWER MOUNTING MOUNTING THE MOWER DECK MOWER MOUNTING MOUNTING THE MOWER DECK WARNING To avoid serious injury or death: • Park the machine on a firm and level surface. • Apply the parking brake. • Chock the rear tires. • Stop the engine and remove the key. 1.
  • Page 28: Adjusting The Mower

    ADJUSTING THE MOWER  MOWER MOUNTING INSTALLING PARTS TO THE 9. Install universal joint. Pull back the coupler of the universal joint. MOWER Push the universal joint onto the PTO shaft until the coupler locks. 1. Installation of skid IMPORTANT : RCK60R, RCK72R •...
  • Page 29: Installation Of Bolt (Adjuster)

     MOWER MOUNTING INSTALLING PARTS TO THE MOWER (1) Gauge wheel (1) Bolt (adjuster) (L) 25 mm (reference) (2) Stay (3L gauge) (2) Nut (3) Sems bolt (4) Gauge wheel boss (5) Locking nut RCK60R, RCK72R Install the gauge wheel with gauge wheel boss, plain washer, sems bolt and locking nut.
  • Page 30: Operating The Engine

    GETTING ON AND OFF THE MACHINE SAFELY  OPERATING THE ENGINE OPERATING THE ENGINE c. Parking brake warning indicator will come on. WARNING To avoid serious injury or death: • Read and understand the safe operation section. • Read and understand the safety labels located on the machine.
  • Page 31  OPERATING THE ENGINE STARTING THE ENGINE 4. Place the motion control levers in the “NEUTRAL Temperature Preheating time LOCK” position. Over 0 ℃(32 ℉) 5 seconds Neutral indicator will come on. Below 0 ℃(32 ℉) 10 seconds (1) Motion control lever (LH) (A) “NEUTRAL LOCK”...
  • Page 32: Key Switch

    Then open the hood and pull engine stop lever and hold it until the engine stops. IMPORTANT : Then contact your local KUBOTA Dealer immediately. • Because of the engine start system, the engine may not be started except when the PTO clutch WARNING is “DISENGAGED”...
  • Page 33: Lcd Monitor

    LCD monitor malfunction, the indicator flashes as a warning. If the trouble is not corrected by restarting the machine, consult your local KUBOTA Dealer. NOTE : • For checking and servicing of your machine, consult...
  • Page 34: Coolant Temperature Gauge

    LCD MONITOR  OPERATING THE ENGINE 2. Coolant temperature gauge 4. Battery voltage meter This meter gives readings for the battery voltage. WARNING Specification: Battery voltage ≧ 12.0 V If the battery voltage is below 12.0 V, charge the To avoid serious injury or death: battery.
  • Page 35: Overheat Alarm

     OPERATING THE ENGINE LCD MONITOR 2. Fuel level warning lamp flashes when fuel amount is below 7 L. IMPORTANT : • Fill the fuel tank only to bottom of the filler neck. • Be careful not to empty the fuel tank. Otherwise air may enter the fuel system.
  • Page 36: Warm-Up And Transmission Oil In The Low Temperature Range

    • 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. (1) Dead battery (4) Helper battery...
  • Page 37: Operating The Machine

     OPERATING THE MACHINE OPERATING A NEW MACHINE OPERATING THE MACHINE OPERATING A NEW MACHINE WARNING How a new machine is operated and maintained will To avoid serious injury or death: determine the operating life of the machine. • The machine relies upon the engine driven A new machine just off the factory production line has transmission for speed, direction, and steering been tested, but the various parts are not “broken-in”...
  • Page 38: Operating The Foldable Rops

    OPERATING THE FOLDABLE ROPS  OPERATING THE MACHINE • Be sure to disengage the PTO and sit on the operator's seat before starting the engine. OPERATING THE FOLDABLE ROPS WARNING To avoid serious injury or death: • Always use the seat belt when the ROPS is installed.
  • Page 39: Raising The Rops To The Upright Position

     OPERATING THE MACHINE OPERATING THE FOLDABLE ROPS 2. Raising the ROPS to the upright 3. Adjusting the foldable ROPS position 1. Adjust the free fall of the ROPS upper frame regularly. 1. Remove both snap pins and lock pins. 2. If you feel less friction when folding the ROPS, tighten the nut (1) until you feel the right friction when moving it.
  • Page 40: Operator's Seat

    STARTING THE MACHINE  OPERATING THE MACHINE 6. Operate the machine. • Motion control lever on page 39 • Stop position of the motion control lever on page 39 • Operating position of the motion control lever on page 39 • Re-start on slopes on page 41 1.
  • Page 41: Hydraulic Lift Control Pedal

     OPERATING THE MACHINE STARTING THE MACHINE • Always use the seat belt when the ROPS is adjusted properly. Contact your local KUBOTA installed. Dealer for adjustment. • Do not use the seat belt if a foldable ROPS is • Do not depress the hydraulic lift control pedal.
  • Page 42: Motion Control Lever

    STARTING THE MACHINE  OPERATING THE MACHINE 6. Motion control lever 6.2 Operating position of the motion control lever WARNING Machine speed and steering is controlled by the motion To avoid serious injury or death: control levers, when the engine is running and the •...
  • Page 43  OPERATING THE MACHINE STARTING THE MACHINE Rearward: Sharp (zero) left turn: For rearward travel in a straight line, pull both motion Push the right motion control lever forward and pull the control levers past center rearward slowly and equally left motion control lever rearward at the same time. at the same time.
  • Page 44: Re-Start On Slopes

    To avoid serious injury or death: We recommend you to contact your local • Park the machine on level ground. KUBOTA Dealer. If necessary to park on an incline, stop the machine, apply the parking brake, and then stop 6.3 Re-start on slopes the engine.
  • Page 45: Oscillating The Front Axle

     OPERATING THE MACHINE USING THE FRONT AXLE 3. Insert L-pins into the holes on the front axle as To lock: shown below. 1. Depress the parking brake pedal firmly with your right foot, and the parking brake lock pedal simultaneously with your left foot. 2.
  • Page 46: Transporting The Machine

    TRANSPORTING THE MACHINE  OPERATING THE MACHINE TRANSPORTING THE MACHINE OPTIONAL EQUIPMENT 1. Transport the machine on a suitable trailer. For the operation and precautions of option kit, obey • Shut off the fuel valves below the fuel tanks the instructions of the manuals attached in the option while transporting.
  • Page 47: Operating The Mower

     OPERATING THE MOWER MOWING TIPS OPERATING THE MOWER MOWING TIPS 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 WARNING the grass to grow to 80 mm (3 in.), then cut off only the top 25 mm (1 in.).
  • Page 48 ADJUSTING THE CUTTING HEIGHT  OPERATING THE MOWER 3. Use the higher settings for mowing in a rough area RCK60P or when mowing tall grass. Lower settings must be used only for smooth lawns where short grass is desired. (1) Anti-scalp roller (front, swivel type) (2) Anti-scalp roller (rear, bolt shift type) RCK72P (1) Cutting height control dial...
  • Page 49: Cutting Height Reference Chart

     OPERATING THE MOWER ADJUSTING THE CUTTING HEIGHT 1. Cutting height reference chart • Set position for recommended ground clearance 19 mm (0.75 in.). The number of collars under the boss Position of bolts Ground clearance mm (Ref.) Rear anti-scalp roller Cutting height inch (mm) Pin shift type...
  • Page 50: Operating The Mower

    OPERATING THE MOWER  OPERATING THE MOWER OPERATING THE MOWER 2. Starting the machine WARNING DANGER To avoid serious injury or death: To avoid serious injury or death: • Engine components can get extremely hot from • Do not operate the mower without the discharge operation.
  • Page 51: Removing The Skid

     OPERATING THE MOWER TREATMENT OF MOWER DECK INSIDE SKID mower deck. Use caution whenever mowing Even when the rubber plates are installed, clean without the skids attached. the areas around the hood and the transmission • Mowing without the skids must be done only in at a minimum once every 5 hours.
  • Page 52 PREVENTING GRASS CLIPPINGS AND DUST FROM SCATTERING  OPERATING THE MOWER 4. Mount the mower deck. (See MOUNTING THE MOWER DECK on page 24.) (1) Rubber plate 1 (both sides) (A) Mower deck (2) Rubber plate 2 (center) (B) Hole for installing upper (3) Upper plate 1 (both sides) plate 1 (4) Upper plate 2 (center)
  • Page 53: Tires And Wheels

     TIRES AND WHEELS TIRES TIRES AND WHEELS TIRES WHEELS IMPORTANT : WARNING • When refitting a wheel, tighten the wheel bolts To avoid serious injury or death: and nuts to the following torques then recheck • Do not attempt to mount a tire. This should be after traveling 200 m (200 yards), changing done by a qualified person with the proper directions several times.
  • Page 54: Installing The Front Caster Wheels

    WHEELS  TIRES AND WHEELS 4. Remove the lock nut and the wheel bolt. Then remove the nylon sleeve. 5. Remove the wheel from assembly yoke. 2. Installing the front caster wheels (1) Lock nut (2) Wheel bolt (3) Yoke 1. Install the replacement wheel. 2.
  • Page 55: Periodic Service

     PERIODIC SERVICE OPENING THE HOOD, FRONT COVER AND STEP PERIODIC SERVICE OPENING THE HOOD, FRONT 2. Front cover COVER AND STEP 1. To open the front cover, pull the bottom edge of the front cover. WARNING To avoid serious injury or death from contact with moving parts: •...
  • Page 56: Tilting Up The Machine

    TILTING UP THE MACHINE  PERIODIC SERVICE 1. Seat must be all the way back before raising. • Be sure to chock the wheels. 2. Pull the latch lever on the seat panel frontward. • Lock the raised axle with an L-pin and snap pin before working under the machine.
  • Page 57: Opening The Lever Guide

     PERIODIC SERVICE OPENING THE LEVER GUIDE 9. Insert the snap pin. How to install the lever guide. 1. Install the lever guide. 2. Tighten the screw. IMPORTANT : • If the lever guide is out of alignment with the motion control lever, move the lever guide to align it with the motion control lever.
  • Page 58: Front Side

    LIFT-UP POINT  PERIODIC SERVICE 1. Front side: DAILY CHECK 1. Lift the front axle with nylon slings. Or jack up the To prevent trouble from occurring, it is important to front axle. know the condition of the machine. Check it before Never lift up the mower deck.
  • Page 59 Starting the en- Color of the exhaust fumes gine Engine start system/OPC system. If either of these do not operate properly, contact your local KUBOTA Dealer immediately. Check for abnormal noise and vibration. Others Check the areas where pre- vious trouble was experi- -...
  • Page 60: Lubricants, Fuel And Coolant

    Oil amount when the oil level is at the upper level of the oil level gauge. The product name of KUBOTA genuine UDT fluid may be different from that in the operator's manual depending on countries or territories. Consult your local KUBOTA Dealer for further detail.
  • Page 61  PERIODIC SERVICE LUBRICANTS, FUEL AND COOLANT • To prevent serious damage to hydraulic systems, use only KUBOTA genuine fluid or its equivalent. Fuel: • Cetane number of 45 is minimum. Cetane number greater than 50 is preferred, especially for temperatures below -20 ℃...
  • Page 62: Checking The Engine Oil Level

    LUBRICANTS, FUEL AND COOLANT  PERIODIC SERVICE 1. Checking the engine oil level WARNING To avoid serious injury or death: • Always stop the engine and remove the key before checking the oil. 1. Check the engine oil before starting and 5 minutes or more after the engine has stopped.
  • Page 63: Checking Transmission Fluid Level

    • Use clean, distilled water and antifreeze to fill the radiator and the recovery tank. 4. Checking coolant level • If water should leak, consult your local KUBOTA Dealer. WARNING To avoid serious injury or death: 5. Checking and cleaning radiator •...
  • Page 64: Checking The Tire Pressure

    LUBRICANTS, FUEL AND COOLANT  PERIODIC SERVICE • Never operate the engine without heat shields or guards. IMPORTANT : • The air intake area must be clear of debris to prevent the engine from overheating. Daily or after every 5 hours of operation, check to be sure the radiator screen and the hood screen are clean.
  • Page 65: Lubricating All Grease Fittings

     PERIODIC SERVICE LUBRICANTS, FUEL AND COOLANT RCK60R, RCK72R (1) Ground (A) “INSUFFICIENT” (B) “NORMAL” (1) Spindle shaft (C) “EXCESSIVE” (2) Belt tension pulley (3) Belt tension pivot 7. Lubricating all grease fittings (4) Front anti-scalp roller pivot boss (5) Front anti-scalp roller WARNING To avoid serious injury or death: •...
  • Page 66: Maintenance

    SERVICE INTERVALS  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. No. Items page 50 100 150 200 250 300 350 400 450 500 550 600 After since 1 Engine start system Check ●...
  • Page 67 Consult your local KUBOTA Dealer for this service. If you feel you are unable to make this service correctly and safely, contact your local KUBOTA Dealer. When the battery is used for less than 100 hours per year, check the battery condition by reading the indicator annually.
  • Page 68: Periodic Service Chart Label

    PERIODIC SERVICE CHART LABEL  MAINTENANCE PERIODIC SERVICE CHART LABEL This label is for your quick reference. The label shows the recommended services from daily to every 4 years, including fluid capacities, tire pressure and so on. For detail, refer to operator's manual. ZD1211,ZD1221...
  • Page 69: Every 50 Hours

    • Sit on the operator's seat for all tests except for NOTE : test 1. • If the engine cranks in tests 1 through 4, consult your local KUBOTA Dealer to have the IMPORTANT : unit checked before operation. • Test...
  • Page 70: Checking Gear Box Oil Level

    (3) Seal washer (B) Oil level • If the engine keeps running in tests 1 through 2, (4) Gear box consult your local KUBOTA Dealer to have the (5) Octagonal label unit checked before operation. 3. Checking gear box oil level...
  • Page 71: Greasing

     MAINTENANCE EVERY 50 HOURS 4. Greasing 4. For (RCK60R, RCK72R), check the label on the gear box before adding new oil. WARNING Label To avoid serious injury or death: Oil type Gear oil Gasoline engine oil • Be sure to stop the engine and remove the key Capacity 0.4 L (0.42 U.S.qts.) before greasing.
  • Page 72: Oiling

    EVERY 50 HOURS  MAINTENANCE (1) Seat adjuster rails 5. Oiling (1) Throttle cable (oil) EVERY 100 HOURS 1. Cleaning air cleaner primary element (1) Machine universal joint WARNING (2) Engine To avoid serious injury or death: (3) Radiator • Be sure to stop engine and remove the key before cleaning air cleaner element.
  • Page 73: Checking The Fuel Filter

     MAINTENANCE EVERY 100 HOURS 3. Replace air cleaner primary element: 1. Open the step and hood. Once yearly or every 1000 hours whichever comes 2. Close the fuel valves below the fuel tanks LH and first. NOTE : • Check to see if the evacuator valve is blocked with dust.
  • Page 74: Adjusting Fan Drive Belt Tension

    (3) Fuel filter If you feel you are unable to make the following service (4) Seat correctly and safely, contact your local KUBOTA Dealer. WARNING To avoid serious injury or death: • Park the machine on a firm and level surface.
  • Page 75: Check On The Slope

     MAINTENANCE EVERY 100 HOURS When the parking brake is locked. If there is no play, adjust the brake spring play again. (See “Adjustment of brake spring play” as follows.) 7. Adjust the other side spring to the same dimension. Adjustment of brake spring play 1.
  • Page 76: Checking The Battery Condition

    EVERY 100 HOURS  MAINTENANCE NOTE : • The factory-installed battery is a non-refillable type. If the battery is weak, charge the battery or replace it with a new one. IMPORTANT : • Mishandling the battery shortens the service life and adds to maintenance costs. The original battery is maintenance free, but needs some servicing.
  • Page 77: Charging The Battery

     MAINTENANCE EVERY 100 HOURS 6.2 Charging the battery the proper level and store in a dry place out of direct sunlight. 2. The battery self-discharges while it is stored. DANGER Recharge it once every 3 months in hot seasons To avoid serious injury or death: and once every 6 months in cold seasons.
  • Page 78 EVERY 150 HOURS  MAINTENANCE 5. For (RCK60P, RCK72P), use gasoline engine oil: RCK60R, RCK72R 0.4 L (0.42 U.S.qts.) (API Service Category: SH or higher, SAE 10W-30) RCK60P, RCK72P (1) Drain plug (bolt) (A) Oil level is acceptable within (2) Check plug this range.
  • Page 79: Every 200 Hours

    1. Changing engine oil replacement element of the recommended type must be used. Use only a genuine KUBOTA filter or its equivalent. WARNING To avoid serious injury or death: • Be sure to stop the engine and remove the key before changing the oil.
  • Page 80: Adjusting Front Axle Pivot

    (3) Front axle support (4) Front axle failure to the hydraulic system, use only a (5) Plain washer KUBOTA genuine filter. NOTE : • When fastening the center pin (2), tighten 4. Adjusting front axle pivot the nut so that the front axle can oscillate smoothly by hand.
  • Page 81: Replacing Hydraulic Oil Filter

     MAINTENANCE EVERY 400 HOURS The fluid in the transmission case is also used for the hydrostatic drive system. 1. To drain the transmission oil, place oil pan underneath the transmission case and the rear axle gear case (RH and LH) and remove the drain plug at the bottom of the transmission case and the rear axle gear case (RH and LH).
  • Page 82: Replacing Fuel Filter

    EVERY 400 HOURS  MAINTENANCE EVERY 800 HOURS 1. Adjusting engine valve clearance Consult your local KUBOTA Dealer for this service. EVERY 1000 HOURS OR EVERY 1 YEAR Replace every 1000 hours or every 1 year whichever comes faster. 1. Replacing air cleaner primary...
  • Page 83: Every 1500 Hours

    8. Start and operate the engine for a few minutes. 1. Checking fuel injection nozzle 9. Stop the engine and let cool. (injection pressure) Consult your local KUBOTA Dealer for this service. EVERY 2000 HOURS OR EVERY 2 YEARS Be sure to do the following service once every 2000 hours or every 2 years whichever comes faster.
  • Page 84: Antifreeze

    • Do not start engine without coolant. soft water in KUBOTA engines. • Start engine with the hood closed. Consult your local KUBOTA dealer concerning coolant • Use clean, distilled water and antifreeze to for extreme conditions. fill the radiator and recovery tank.
  • Page 85: Every 3000 Hours

    If mixed with the cleaning agent, sludge may build up, adversely affecting the engine parts. (1) Radiator core 7. Kubota's genuine long-life coolant has a service life (2) Radiator hose of 2 years. Be sure to change the coolant every 2000 hours or every 2 years whichever comes 3.
  • Page 86: Checking Intake Air Line

    If you feel you are unable to make the following service correctly and safely, contact your local KUBOTA Dealer. (1) Hose (2) Clamp 5. Checking engine breather hose Consult your local KUBOTA Dealer for this service.
  • Page 87: Service As Required

     MAINTENANCE SERVICE AS REQUIRED SERVICE AS REQUIRED Protected circuit Fuse 1. Replacing fuses Capacity (A) Protected circuit 1. Raise the operator's seat. 20 A Engine stop 2. Remove the blown fuse. 15 A Charge system 3. Place a new fuse of the same capacity in position. 15 A Main system 15 A...
  • Page 88 SERVICE AS REQUIRED  MAINTENANCE RCK60R, RCK72R (A) New blade (B) Worn blade (1) Pipe (A) “LOOSEN” (C) Cracked blade 3. To sharpen the blades yourself, clamp the blade Replacing securely in a vise. Use a large mill file and file along the original bevel IMPORTANT : until sharp.
  • Page 89: Replacing The Mower Belt

     MAINTENANCE SERVICE AS REQUIRED • The blade bolts have right hand threads. Turn them counterclockwise to loosen. • To prolong the service life of the blades, reposition them as shown in the following figure periodically. (1) Tension pulley (2) Bracket (RH) (3) Belt (1) LH blade (2) Center blade...
  • Page 90: Adjustment

    1. Lift up and secure with jack stands or by blocking 2. Maximum speed (forward) the rear of the machine frame. Consult your local KUBOTA Dealer for this service. 2. Remove both rear wheels. 3. Set the engine speed to maximum.
  • Page 91: Motion Control Lever Alignment

     ADJUSTMENT MOTION CONTROL LEVER 1. Change the rear side of the damper to the desired Lever position (high or low) hole location. 1. Remove the nut and select the motion control lever Tighten the rear side damper nut. position, high or low. 2.
  • Page 92: Leveling The Mower Deck (Side-To-Side)

    MOWER DECK LEVEL  ADJUSTMENT 2. Start the engine. • Apply the parking brake. 3. Raise up the mower deck to the top position. • Disengage the PTO (OFF). 4. Turn the cutting height control dial to adjust the • Stop the engine, remove the key and remove height.
  • Page 93: Leveling The Mower Deck (Front-To-Rear)

     ADJUSTMENT MOWER DECK LEVEL 2. Turn the cutting height set dial to the 3 in. cutting 6. Loosen the lock nuts of the right side of the height position. machine. 3. Lower the mower deck. 7. Adjust the cutting height fine tuning bolts to set 4.
  • Page 94 MOWER DECK LEVEL  ADJUSTMENT 6. Turn the blade 180° and measure from the right IMPORTANT : rear blade tip to the level surface. • The difference between both measurements 7. Check that the left side blade has the same should be less than 6 mm (0.24 in.). dimensions.
  • Page 95: General Torque Specification

     ADJUSTMENT GENERAL TORQUE SPECIFICATION GENERAL TORQUE SPECIFICATION American standard cap screws with UNC or UNF threads Metric cap screws 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 (kgf⋅m) 1.11-1.33 1.66-1.99...
  • Page 96: Tightening Torque Chart

    TIGHTENING TORQUE CHART  ADJUSTMENT TIGHTENING TORQUE CHART No mark Thread size d Hex. bolt head (mm) size B (mm) lbf⋅ft N⋅m kgf⋅m lbf⋅ft N⋅m kgf⋅m 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 ± 1.4) (2.0 ±...
  • Page 97: Storage

     STORAGE STORING THE MACHINE STORAGE WARNING To avoid serious injury or death: • Do not clean the machine with the engine running. • To avoid the danger of exhaust fume poisoning, do not operate the engine in a closed building without proper ventilation.
  • Page 98  STORAGE 8. Start the engine. Observe all gauges. If all gauges are functioning properly and reading normal, move the machine outside. 9. Once outside, park the machine securely set the parking brake, place the control levers in the neutral lock position and let the engine idle for at least 5 minutes.
  • Page 99: Troubleshooting

    Remove all trash. • Coolant flow route corroded. • Flush cooling system. Engine does not stop when key switch is • Fuse blown (20 A) • Replace the fuse. turned “OFF”. If you have any questions, contact your local KUBOTA dealer. ZD1211,ZD1221...
  • Page 100: Power Train Trouble Shooting

    LCD. The error code indicates the location of the trouble. If an error code appears, immediately contact your local KUBOTA Dealer for repairs. (1) Master system warning indicator (2) Error code...
  • Page 101: Battery Troubleshooting

    The battery electrolyte level drops rapid- • There is a crack or • Replace the battery. pin holes in the elec- trolytic cells. • Charging system • Contact your local trouble. KUBOTA Dealer. If you have any questions, contact your local KUBOTA dealer. ZD1211,ZD1221...
  • Page 102: Machine Troubleshooting

    • Check wire harness. • LCD monitor malfunction. • Replace LCD monitor. All electrical equipment do not • Slow blow fuse blown. • Replace the slow blow fuse. operate. If you have any questions, contact your local KUBOTA dealer. ZD1211,ZD1221...
  • Page 103: Mower Troubleshooting

    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 88.) If you have any questions, contact your local KUBOTA dealer. ZD1211,ZD1221...
  • Page 104: Index

    INDEX air cleaner primary element Easy Checker™ indicators..........29 cleaning..............69 engine replacing..............79 jump starting............33 air cleaner secondary element operating (warning information)......27 replacing..............79 starting..............27 anti-scalp rollers starting in cold weather......... 32 adjusting..............88 starting information..........29 antifreeze..............81 stopping..............29 stopping immediately..........29 troubleshooting............96 warming up............32,33 battery...
  • Page 105 fuses getting on.............. 27 replacing..............84 operating on slopes..........7 parking..............42 removing from storage.......... 94 scrapping procedure..........18 gauge wheel servicing............. 8,17 installation............. 25 specification table..........19 gear box oil starting............. 36,47 changing..............74 starting to operate........... 6 gear box oil level stopping..............8,41 checking..............
  • Page 106 raising..............52 service intervals............63 optional equipment............43 skid overheat alarm............32 installation............. 25 removing............... 48 slope checking..............72 parking brake restarting............... 41 adjusting..............71 step applying..............27 opening..............52 releasing..............27 switches..............22 parking brake pedal.............38 periodic service chart label..........65 power train troubleshooting............97 throttle lever..............38 tightening torque chart..........

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