• Kubota Zero Turn Z122e Service Manual

KUBOTA ZG222 ZG227 ZERO TURN MOWER Workshop Service Repair Manual Download This is the COMPLETE official full factory service repair manual for the KUBOTA ZG222 ZG227 ZERO TURN MOWER. Spare part catalog, service and operation. Zero turn mower KUBOTA Z121SKH. Zero turn mower KUBOTA ZD18 Service, workshop manual: KUBA06-016. We offer Kubota tractor manuals and a variety of other items and parts for the Kubota tractors.

. OPERATOR'S MANUAL MODELS ZG124E-AU ZG123S-AU ZG127E-AU ZG127S-AU 1BDABDYAP0010 English (AUS) AR.

K3014-7121-1 READ AND SAVE THIS MANUAL © PRINTED IN U.S.A. KUBOTA Corporation 2013.

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. 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. CONTENTS SAFE OPERATION.

SERVICING OF MACHINE.1 SPECIFICATIONS. 3 IMPLEMENT LIMITATIONS.5 INSTRUMENT PANEL AND CONTROLS.6 MOWER MOUNTING.8 MOUNTING THE MOWER DECK.8 ADJUSTING THE MOWER.8 DISMOUNTING THE MOWER DECK.8 OPERATING THE ENGINE. CONTENTS ADJUSTING CUTTING HEIGHT.22 OPERATING MOWER.

23 PTO Switch.23 Starting. 24 TIRES AND WHEELS.25 TIRES.25 Inflation Pressure.25 WHEELS.

25 Remove and Install Front Caster Wheels. 26 MAINTENANCE.27 SERVICE INTERVALS.27 LUBRICANTS AND FUEL. CONTENTS Electric Clutch Adjustment.53 EVERY AFTER 500 HOURS. 54 Cleaning Combustion Chamber.54 EVERY 1 YEAR. 54 Replacing Precleaner Element (Except ZG127E).54 Replacing Air Cleaner Element (ZG124E, ZG127E).54 Replacing Air Cleaner Element (ZG123S, ZG127S).54 Changing Engine Oil (ZG124E, ZG127E). 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. Your view to the rear is restricted.

Result in personal injury. When working in groups, always let others know what 18. Use only implements approved by KUBOTA. Use you are doing ahead of time. Proper ballast to front or rear of machine to reduce the 8. SAFE OPERATION C Operators, age 60 years and above C Stopping Data indicates that operators, age 60 years and above, 1.

Park the machine on level ground. Make sure that the machine and all attachments have are involved in a large percentage of machine-related come to a complete stop before dismounting. Do not use or charge the refillable type battery if the 24. See your local Recycling Center or KUBOTA Dealer to fluid level is below the LOWER (lower limit level) mark.

Learn how to recycle or get rid of waste products. SAFE OPERATION 5. DANGER, WARNING AND CAUTION LABELS.

SAFE OPERATION. SAFE OPERATION. Clean danger, warning and caution labels with soap and water, and dry with a soft cloth. Replace damaged or missing danger, warning and caution labels with new labels from your local KUBOTA Dealer.

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. 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 serial number of the machine, ROPS, engine and mower. SERVICING OF MACHINE (1) Mower identification plate (2) Mower serial No.

(1) ROPS serial No. SPECIFICATIONS SPECIFICATIONS Model ZG124E-AU ZG123S-AU ZG127E-AU ZG127S-AU Model GH731V GH732V GH733V GH734V Max. Engine power kW (HP) 17.9 (24).1.2 17.2 (23).1.3 20.1 (27).1.2 20.1 (27).1.3 (Gross) Type Air-cooled gasoline engine Number of cylinders 2 (V-Twin) Bore and stroke. Kohler reserves the right to change product specifications, design, and standard equipment without notice and without incurring obligation.4: Oil amount when the oil level is at the upper level. Model RCK48P-124Z RCK54P-127Z Suitable machine ZG124E-AU, ZG123S-AU ZG127E-AU, ZG127S-AU Mounting method Parallel linkage Adjustment of cutting height Dial gauge Cutting width. 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.

INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS ILLUSTRATED CONTENTS Parking brake lever.9, 17 Cutting height control dial. Motion control lever.9, 18 Key switch.Seat belt.(10) Hour meter.

Cup holder.(11) PTO switch. Operator's seat.(12) Throttle lever. INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS (1) Anti-scalp roller (Front, bolt shift type).22. MOWER MOUNTING MOWER MOUNTING MOUNTING THE MOWER DECK 7. Attach the PTO belt to the engine pulley. Refer the belt routing.

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. OPERATING THE ENGINE OPERATING THE ENGINE STARTING THE ENGINE To avoid personal injury: 1. Sit on the operator's seat. A Read and understand 'SAFE OPERATION' in the front of this manual. Apply the parking brake.

A Read and understand the danger, warning and caution labels located on the machine. OPERATING THE ENGINE 3. Make sure that the PTO switch is in the 5. Set the throttle lever as follows. 'DISENGAGED' (OFF) position. A If the engine is cold: Place the throttle lever to the 'CHOKE' position.

A If the engine is warm: Place the throttle lever midway between the 'SLOW'. Do not after the engine starts and warms up. Jump start using another battery.

Consult your local KUBOTA dealer. The engine/equipment may be operated during the warm- A Do not turn the key switch to the 'START' position up period, but it may be necessary to leave the choke while the engine is running. OPERATING THE ENGINE CHECK DURING OPERATING BHour Meter While operating, make the following checks to see that all This meter gives readings for the number of hours the the parts are functioning normally.

Engine has been running. BImmediately Stop the Engine if: A The engine suddenly slows down or accelerates. 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. (1) Dead battery Connect cables in numerical order. (2) Jumper cables. OPERATING THE ENGINE STOPPING THE ENGINE A Use of a higher voltage source on a machine could result in severe damage to the machine electrical 1. After slowing the engine to half speed, turn the key system.

Switch to the 'OFF' position. Use only matching voltage source when 'jump- 2. OPERATING THE MACHINE OPERATING THE MACHINE OPERATING NEW MACHINE How a new machine is operated and maintained will To avoid serious injury or death: determine 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. OPERATING THE MACHINE STARTING BSeat Belt 1. Adjust the operator's position and apply the seat belt.

To avoid serious injury: A Always use the seat belt when the ROPS is BOperator's Seat installed. A Do not use the seat belt if a foldable ROPS is down or there is no ROPS. OPERATING THE MACHINE 3. Start the engine. Accelerate the engine.

See 'OPERATING THE ENGINE' section. BThrottle Lever Moving the throttle lever backward decreases the engine speed and moving it forward increases the engine speed. Raise the implement. BMower Lift Pedal The mower lift pedal is used to raise and lower the mower deck. A The motion control linkages are adjustable. If adjustment is required, see 'ADJUSTMENT' section.

We recommend you to contact your local KUBOTA Dealer. (1) Motion control levers (A) 'NEUTRAL LOCK' position (B) 'NEUTRAL' position (held by hand). 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 forward travel in a straight line. Right motion control lever. For forward travel to the right.

OPERATING THE MACHINE STOPPING PARKING TO LOCK: Place the parking brake lever in the 'ENGAGED' position. To avoid serious injury: TO UNLOCK: A Park the machine on level ground.

Place the parking brake lever in the 'DISENGAGED' If necessary to park on an incline, position. 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.

Do not attempt to tow this machine, or damage to the transmission may result. OPERATING THE MOWER OPERATING THE MOWER MAKING THE MOST OF YOUR MOWER ADJUSTING CUTTING HEIGHT 1. When using your mower for the first time, choose a smooth level area and cut in straight and slightly overlapping strips. To avoid serious injury or death: 2.

OPERATING THE MOWER OPERATING MOWER 4. Lower the mower deck by pushing the mower lift pedal again. This lowers the mower deck from the 'TRANSPORT' position 'OPERATING' position. To avoid serious injury or death: 5. Adjust the anti-scalp rollers' height as recommended A Do not operate the mower without the below for normal operating condition. OPERATING THE MOWER BStarting To avoid serious injury or death: A Engine components can get extremely hot from operation.

To prevent severe burns, do not touch these areas while the engine is running, or immediately after it is turned off. Never operate the engine without heat shields or guards. 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. TIRES AND WHEELS BRemove and Install Front Caster Wheels C Removing 1. Park the machine on a firm and level surface.

Stop the engine and apply parking brake. Lift the front of machine with a safe lifting device. MAINTENANCE MAINTENANCE SERVICE INTERVALS The following servicing tasks should be carried out on the machine at the stated running-time intervals. ZG124E, ZG127E Indication hour meter (Hr) Ref. Items Page After since every 50Hr Engine oil Change or every 1 year every 50Hr Engine oil filter Replace.2 This maintenance should be done daily or more often in dusty condition than in normal conditions. Suggested cleaning interval is every 25 hours or every 1 year in normal conditions.3 These items should be serviced by an authorized KUBOTA Dealer, unless the owner has the proper tools and is mechanically proficient.1 This maintenance should be done daily or more often in dusty condition than in normal conditions. Suggested cleaning interval is every 25 hours in normal conditions.2 These items should be serviced by an authorized KUBOTA Dealer, unless the owner has the proper tools and is mechanically proficient.

See the Emissions Warranty Statement. To ensure the best quality and reliability, use new KUBOTA Genuine parts or their equivalents for repair and replacement, whenever you have maintenance done.

LUBRICANTS AND FUEL. PERIODIC SERVICE PERIODIC SERVICE HOW TO RAISE THE OPERATOR'S SEAT 2. Raise the operator's seat to the resting position. C Raise To avoid personal injury: A Fully raise the operator's seat. (To the resting position) Do not keep the seat halfway. 'ON' Starting the Color of the exhaust fumes engine Check for abnormal noise and vibration. Safety systems.

If either of these do not operate properly, contact your local KUBOTA Dealer immediately. Others Check the areas where previous trouble was experienced. A Do not mix oil with gasoline. A Tighten the fuel cap until it clicks. 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.

PERIODIC SERVICE BChecking and Cleaning Air Intake Screen BChecking Tire Pressure To avoid personal injury: To avoid serious injury: A Be sure to stop the engine and remove the key A Do not attempt to mount a tire on a rim. This before cleaning. PERIODIC SERVICE BChecking Transaxle Fluid Level BChecking Movable Parts 1. Park the machine on a flat surface, lower the If any of the movable parts, such as levers and pedals, is implement to the ground and shut off the engine and not smoothly moved because of rust or anything sticky, do remove the key. PERIODIC SERVICE EVERY 25 HOURS C Clean precleaner ZG124E BCleaning Precleaner Element (Except Wash the precleaner every 25 hours of operation. ZG127E) (more often under extremely dusty or dirty conditions.) 1.

Loosen the air cleaner cover knobs and remove the air Check the air cleaner daily or before starting the cleaner cover. PERIODIC SERVICE ZG123S, ZG127S Wash and reoil the precleaner every 25 hours of BCleaning Air Cleaner Element (ZG124E, operation. (more often under extremely dusty or dirty ZG127E) conditions.) Every 100 hours of operation or annually replace the 1.

Open the door on the blower housing to access the air paper element. PERIODIC SERVICE 7. Reinstall the air cleaner cover and secure it with two 6. Reinstall the air cleaner cover and secure it with two knobs. A Operating the engine with loose or damaged air A Operating the engine with loose or damaged air cleaner components could allow unfiltered air into the cleaner components could allow unfiltered air into the engine causing premature wear and failure. A Sit on operator's seat for all tests except for Test 1.

Kubota Zero Turn Z122e Service Manual

A If the engine cranks in Test 1 through 4, consult your local KUBOTA Dealer to have the unit checked before operation. A Check the following tests before operating the machine.

A If the engine remains running in Test 1 through 2, damaged element with a genuine part. Handle the new consult your local KUBOTA Dealer to have the unit element carefully; do not use if the sealing surfaces checked before operation. PERIODIC SERVICE 6. Reinstall the precleaner over the paper air cleaner 2. Fill with the new oil up to the upper level on the element and install on the base.

Secure with the latch. Close and latch the door. A Operating the engine with loose or damaged air cleaner components could allow unfiltered air into the engine causing premature wear and failure. PERIODIC SERVICE A To prevent extensive engine wear or damage, always BReplacing Engine Oil Filter (ZG124E, maintain the proper oil level in the crankcase.

Never ZG127E) operate the engine with the oil level below the 'ADD' or 'L' mark or above the 'FULL' or 'F' mark on the dipstick. PERIODIC SERVICE EVERY 100 HOURS BChecking Muffler and Spark Arrester (if BChanging Engine Oil (ZG123S, ZG127S) equipped) To avoid personal injury: Running engines produce heat. Engine parts, A Be sure to stop the engine and remove the key especially muffler, become extremely hot.

Before changing the oil. PERIODIC SERVICE 3. To check the oil level.

Remove the dipstick, wipe it ZG124E clean, insert it and draw it out again. Check to see that the oil level is between the two marks. A Do not overfill. BReplacing Precleaner Element (Except ZG127E) (See 'Cleaning Precleaner Element (Except ZG127E)'. PERIODIC SERVICE ZG123S, ZG127S BChecking Spark Plug Every 100 hours of operation check the spark plug condition and gap. Annually replace the spark plug. Remove the spark plug wire from spark plug.

Use a spark plug wrench to remove plug. A This engine is equipped with resistor-type spark plug. 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. PERIODIC SERVICE BBattery Condition To avoid the possibility of battery explosion: refillable type battery, follow instructions below. A Do not use or charge the refillable type battery if the fluid level is below the LOWER (lower limit level) mark. Otherwise, the battery component parts may prematurely deteriorate, which may shorten the battery's service life or cause an explosion.

PERIODIC SERVICE A Mishandling the battery shortens the service life and adds to maintenance costs. The original battery is maintenance free, but needs some servicing. If the battery is weak, the engine will be difficult to start and the lights will be dim. It is important to check the battery periodically.

PERIODIC SERVICE ZG123S, ZG127S BAdjusting Throttle Cable 1. Move the throttle lever to the 'FAST' position. ZG124E, ZG127E 1. Move the throttle lever to the 'FAST' position. (1) Throttle lever 2.

Make sure the throttle arm (A) contacts the choke arm (1) Throttle lever (B). PERIODIC SERVICE A To prevent extensive engine wear or damage, always BReplacing Engine Oil Filter (ZG123S, maintain the proper oil level in the crankcase. Never ZG127S) operate the engine with the oil level below the 'ADD' or 'L' mark or above the 'FULL' or 'F' mark on the dipstick.

PERIODIC SERVICE EVERY 200 HOURS 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. PERIODIC SERVICE EVERY 400 HOURS BReplacing Transaxle Oil Filter Cartridge To avoid personal injury: A Park the machine on a firm and level surface.

A Apply the parking brake. A Be sure to stop the engine and remove the key before changing or checking the oil. PERIODIC SERVICE EVERY 500 HOURS C Purging Procedures Due to the effects air has on efficiency in hydrostatic drive BElectric Clutch Adjustment applications, it is critical that it is purged from the system. The electric clutch serves two functions in the operation of Air creates inefficiency because its compression and the mower. PERIODIC SERVICE EVERY AFTER 500 HOURS BCleaning Combustion Chamber If you do not have the proper tools and/or are not mechanically proficient, consult your local KUBOTA Dealer for this service. EVERY 1 YEAR BReplacing Precleaner Element (Except ZG127E) (See 'Cleaning Precleaner Element (Except ZG127E)' in 'EVERY 25 HOURS'.

PERIODIC SERVICE SERVICE AS REQUIRED BChecking Engine Valve Clearance (ZG124E, ZG127E) BReplacing Fuses Consult your local KUBOTA Dealer for this service. Replacement of the fuse But not required unless engine performance problems are 1. Raise the operator's seat. Remove the blown fuse. PERIODIC SERVICE BChecking and Replacing Blade To avoid serious injury: A Be sure to stop the engine and remove the key. A Blades may be sharp.

When you handle blades, wear heavy gloves or wrap end of blade with a rag. PERIODIC SERVICE A To prolong the service life of the blades, reposition them as shown in the figure below periodically. BMower Belt Replacement 1. Remove the mower deck from the machine according to the procedure 'DISMOUNTING THE MOWER DECK'.

Remove the left and right hand shield from the mower deck. Tightening torque (2.4 to 2.8 kgf-m) adjustments correctly and safely, please contact your local KUBOTA Dealer.

Adjust the other side 'HST NEUTRAL' equally. After adjustment, make sure to stop the engine A Right and left motion control levers can be adjusted immediately.

ADJUSTMENT LH BMAXIMUM SPEED (FORWARD) Consult your local KUBOTA Dealer for this service. BMOTION CONTROL LEVER ALIGNMENT C Check the alignment Check the gap and space between the levers, at the maximum forward position. Recommendation Gap: 0 to 2 mm If positions of the control levers are unequal, an adjustment is necessary. ADJUSTMENT MOWER DECK LEVEL C Aligning the control levers 1. Stop the engine and apply the parking brake.

BANTI-SCALP ROLLERS Lever position (High or Low) 2. Remove the bolts and select the motion control lever position, high or low. To avoid personal injury: 3. 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 and remove the key while checking or adjusting the level of the mower deck. ADJUSTMENT Less than 6 mm BLEVEL MOWER DECK (Front-to-Rear) Front-to-Rear Front side must be lower adjustment than Rear side. To avoid personal injury: C Adjusting level (Front-to-Rear) A Park the machine on a firm and level surface. Raise up the mower deck to the transport position.

A Engage the parking brake. 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 (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 (kgf-m) 1.0 - 1.15. STORAGE STORAGE REMOVING THE MOWER FROM STORAGE To avoid personal injury: 1. Check the tire inflation pressure and adjust as A To reduce fire hazards, allow the engine and required. Exhaust system to cool before storing the 2. Install the battery. Before installing the battery, be sure machine in an enclosed space or near it is fully charged.

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. 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. 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 transaxle fluid A Replenish oil. 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.

A Ground speed too fast. 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. INDEX INDEX Mower Belt Replacement.57 Air Cleaner Element (ZG123S, ZG127S).40 Mower Lift Pedal.17 Air Cleaner Element (ZG123S, ZG127S).44 Muffler and Spark Arrester (if equipped).43 Air Cleaner Element (ZG123S, ZG127S).54 Muffler and Spark Arrester (if equipped).54 Air Cleaner Element (ZG124E, ZG127E).37 OPC System.