Kubota ZG123S-AU Operator'S Manual Download Page 17 | Manualshive

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SERVICING OF MACHINE

2

(1) Mower identification plate
(2) Mower serial No.

(1) ROPS serial No.

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Summary of Contents for ZG123S-AU

Page 1: ...S A U Z G 1 2 7 E A U Z G 1 2 7 S A U READ AND SAVE THIS MANUAL OPERATOR S MANUAL MODELS ZG124E AU ZG123S AU ZG127E AU ZG127S AU 1BDABDYAP0010 PRINTED IN U S A KUBOTA Corporation 2013 English AUS Code No K3014 7121 1 AR I 1 1 AK ...

Page 2: ...too can depend on KUBOTA Abbreviations Definitions ABBREVIATION LIST API PTO RH LH ROPS rpm SAE American Petroleum Institute Power Take Off Right hand and left hand sides are determined by facing in the direction of forward travel Roll Over Protective Structures Revolutions Per Minute Society of Automotive Engineers UNIVERSAL SYMBOLS As a guide to the operation of your machine various universal sy...

Page 3: ...ol system It will give you long satisfactory service To obtain the best use of your machine please read this manual carefully It will help you become familiar with the operation of the machine and contains many helpful hints about machine maintenance It is KUBOTA s policy to utilize as quickly as possible every advance in our research The immediate use of new techniques in the manufacturing of pro...

Page 4: ...if 12 Fuel Gauge 12 Hour Meter 12 COLD WEATHER STARTING 12 WARMING UP 13 Warm up and Transmission Oil in the Low Temperature Range 13 JUMP STARTING 13 STOPPING THE ENGINE 14 OPERATING THE MACHINE 15 OPERATING NEW MACHINE 15 Changing Lubricating Oil for New Machines 15 Engine Break in 15 Machine Break in 15 STARTING 16 Operator s Seat 16 Seat Belt 16 Light Switch 16 Mower Lift Pedal 17 Throttle Lev...

Page 5: ...g Air Cleaner Element ZG124E ZG127E 37 EVERY 50 HOURS 39 Checking Engine Start System 39 Checking OPC System 40 Cleaning Air Cleaner Element ZG123S ZG127S 40 Changing Engine Oil ZG124E ZG127E 41 Replacing Engine Oil Filter ZG124E ZG127E 42 Checking Muffler and Spark Arrester if equipped 43 EVERY 100 HOURS 43 Changing Engine Oil ZG123S ZG127S 43 Replacing Precleaner Element Except ZG127E 44 Replaci...

Page 6: ...ne Valve Clearance ZG124E ZG127E 55 EVERY 2 YEARS 55 Replacing Hydraulic Hose 55 Replacing Fuel Lines 55 Replacing Engine Breather Hose 55 SERVICE AS REQUIRED 55 Replacing Fuses 55 Checking and Replacing Blade 56 Mower Belt Replacement 57 ADJUSTMENT 58 MOTION CONTROL LEVER 58 HST NEUTRAL 58 MAXIMUM SPEED FORWARD 59 MOTION CONTROL LEVER ALIGNMENT 59 MOWER DECK LEVEL 60 ANTI SCALP ROLLERS 60 LEVEL M...

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Page 8: ...S because welding bending drilling grinding or cutting may weaken the structure If any structural member of the ROPS is damaged replace the entire structure at your local KUBOTA Dealer 5 Always use the seat belt if the machine has the ROPS Check the seat belt regularly and replace if frayed or damaged 6 Do not allow any bystanders around or near machine during operation 7 Do not allow passengers c...

Page 9: ...and level surface 5 Watch where you are going at all times Watch for and avoid obstacles Be alert at curbs near trees and other obstructions and hidden hazards 6 Know what is behind you before backing up Look to the rear before and when backing Do not mow while in reverse unless absolutely necessary and make sure the area immediately behind you is clear of obstructions or holes and small children ...

Page 10: ... wheel is over the edge of cliff or ditch or if an edge caves in 3 Do not mow on wet grass Reduced traction could cause sliding and loss of control 4 Do not try to stabilize the machine by putting your foot on the ground 5 Do not use grass catcher on steep slopes 6 Do not start or stop suddenly when going uphill or downhill Avoid sudden start and stops on slopes 7 Never freewheel Do not let the ma...

Page 11: ...r blades are sharp and can cut your hands Wrap the blade s or wear gloves and use extra caution when servicing them 19 Keep nuts and bolts especially blade attachment bolts tight and keep equipment in good condition 20 Never tamper with safety devices Check their operation for proper function regularly 21 Waste products such as used oil fuel coolant brake fluid and batteries can harm the environme...

Page 12: ... 5 SAFE OPERATION 5 DANGER WARNING AND CAUTION LABELS ...

Page 13: ...SAFE OPERATION 6 ...

Page 14: ... 7 SAFE OPERATION ...

Page 15: ...ger 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 5 Mount new danger warning and caution labels by applying on a clean dry surface and pressing any bubbles to outside edge 6 CARE OF DANGER WARNIN...

Page 16: ...t 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 Locate the serial numbers now and record them in the space provided ZG124E ZG127E ZG123S ZG127S Type Serial No Machine ROPS Engine Mower Date of Purchase Name of Dealer To be filled in by purchaser 1 Machine identifi...

Page 17: ...SERVICING OF MACHINE 2 1 Mower identification plate 2 Mower serial No 1 ROPS serial No ...

Page 18: ...ttery U1 12 V RC 45 min CCA 300 CA 410 Capacities Fuel tank L 16 Engine crankcase with filter L 1 8 Transmission case including Rear axle gear case L 4 8 4 Dimensions Overall length mm 1940 Overall width w o mower deck mm 1207 Overall height With ROPS mm 1652 Wheelbase mm 1155 Min ground clearance mm 123 W 48 123 W 54 Tread Front mm 796 Rear mm 954 Weight W MOWER DECK kg 330 with 48 340 with 48 34...

Page 19: ...cation limitations ambient operating conditions temperature humidity altitude and engine to engine variability Due to manufacturing and capacity limitations Briggs Stratton may substitute an engine of higher rated power for this Series engine 3 Horsepower ratings exceed Society of Automotive Engineers Small Engine Test Code J1940 Actual engine horsepower is lower and affected by but not limited to...

Page 20: ...e 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 A Do not operate with trailer on incline greater than 10 Maximum loading weight Maximum total weight Tongue weight W Towing ...

Page 21: ...USTRATED CONTENTS 1 Parking brake lever 9 17 8 Cutting height control dial 22 2 Motion control lever 9 18 9 Key switch 11 3 Seat belt 16 10 Hour meter 12 4 Cup holder 11 PTO switch 23 5 Operator s seat 16 12 Throttle lever 17 6 ROPS 13 Light switch ZG123S ZG127S 16 7 Mower lift pedal 17 ...

Page 22: ...7 INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS 1 Anti scalp roller Front bolt shift type 22 ...

Page 23: ...shown in the figure 4 Place the mower deck at the right side of the machine 5 Slide the mower deck under the machine then lower mower lift links 6 Attach the lift links to the mower deck with attaching hardware 7 Attach the PTO belt to the engine pulley Refer the belt routing 8 After mounting the mower check the mower level If necessary adjust the mower level and anti scalp rollers ADJUSTING THE M...

Page 24: ...e engine while standing on the ground Start the engine only from operator s seat MOUNT AND DISMOUNT MACHINE SAFELY DO NOT step on either side of the mower deck when mounting and dismounting the machine When mounting the machine from either side step over the mower deck STARTING THE ENGINE To apply the parking brake Place the parking brake lever in the ENGAGED position To release the parking brake ...

Page 25: ...AST positions 3 Make sure that the PTO switch is in the DISENGAGED OFF position 1 PTO switch ENGAGED ON DISENGAGED OFF 4 Place the motion control levers in the NEUTRAL LOCK position 1 Motion control lever LH 2 Motion control lever RH A NEUTRAL LOCK Position B NEUTRAL Position held by hands C FORWARD D REVERSE 5 Set the throttle lever as follows 1 Throttle lever FAST SLOW CHOKE ...

Page 26: ...conds cool down period between starting attempts A If the starter does not turn the engine over shut off the starter immediately Do not make further attempts to start the engine until the condition is corrected Do not jump start using another battery Consult your local KUBOTA dealer A Do not turn the key switch to the START position while the engine is running A When the temperature is below 0 run...

Page 27: ... A Fill the fuel on a level ground BHour Meter This meter gives readings for the number of hours the engine has been running COLD WEATHER STARTING If the ambient temperature is below 0 and the engine is very cold start it in the following manner 1 Place the throttle lever to the CHOKE position 2 Turn the key switch to the START position A Operate the starter 5 seconds A If the engine does not star...

Page 28: ...way from battery A If the machine battery is frozen do not jump start the engine A Do not connect the other end of negative jumper cable to the negative terminal of the machine battery When jump starting the engine follow the instructions below to start the engine safely 1 Bring a helper vehicle with a battery of the same voltage as the disabled machine within easy cable reach THE VEHICLES MUST NO...

Page 29: ... key 3 Do not leave the key switch ON key in the ON position as the battery will discharge when the engine is not running 4 Apply the parking brake 5 Turn the carburetor fuel valve to STOP OFF position A Do not stop the engine when the machine is on an incline for a long time The engine oil may go into the carburetor and the muffler through the valve system A Place the throttle control lever in th...

Page 30: ...avoid serious injury or death A The machine relies upon the engine driven transmission for speed direction and motion control If the engine is not running the machine cannot be driven or controlled If the engine stops when operating on a slope apply the parking brake immediately to prevent machine runaway A Do not allow any person other than the driver to ride on the machine A Do not drive the mac...

Page 31: ...h the knob back C Arm rest Arm rest may be set at upright position if desired A After adjusting the operator s seat be sure to check and see that the seat is securely locked BSeat Belt To avoid serious injury A Always use the seat belt when the ROPS is installed A Do not use the seat belt if a foldable ROPS is down or there is no ROPS Adjust the seat belt for proper fit and connect to the buckle T...

Page 32: ...g height BThrottle Lever Moving the throttle lever backward decreases the engine speed and moving it forward increases the engine speed BParking Brake Lever To release the parking brake Place the parking brake lever in the DISENGAGED position 3 Start the engine See OPERATING THE ENGINE section 4 Raise the implement 1 Mower lift pedal A RAISE and LOCK position B LOWER position 5 Accelerate the engi...

Page 33: ... is controlled by the motion control levers when the engine is running and the parking brake is released To avoid serious injury A No control is provided by the motion control levers when the engine is off C Neutral position A Grasp the motion control levers and move them inward from the NEUTRAL LOCK position so that the machine is in NEUTRAL Engine cannot be restarted C Forward and Reverse Motion...

Page 34: ...ight motion control lever further forward than the left motion control lever For forward travel to the left GENERAL RIGHT TURN A Push left motion control lever further forward than the right motion control lever For forward travel to the right SHARP ZERO LEFT TURN A Push right motion control lever forward and pull left motion control lever rearward at the same time SHARP ZERO RIGHT TURN A Push lef...

Page 35: ...e half speed position and push PTO switch to the DISENGAGE OFF position 5 Lower all implements to the ground 6 Turn off the engine and remove the key A Do not stop the engine when the machine is on an incline for a long time The engine oil may go into the carburetor and the muffler through the valve system A Place the throttle control lever in the half speed position to help prevent the engine fro...

Page 36: ...he bypass rods or transmission damage may occur A Never pull the rods with the engine running 1 While facing the machine from the rear pull the left side HST bypass rod out of the OPERATING POSITION hole and place it into the BYPASS POSITION hole See the figure below 2 Pull the right side HST bypass rod out of the OPERATING POSITION hole and pull to the BYPASS POSITION Continue to hold the right s...

Page 37: ... not too short To keep a green lawn never mow more than 1 3 of the height of the grass or a maximum of 25 mm in 1 mowing For extremely tall grass set the cutting height at maximum cutting height for the first mowing then reset to the desired height and mow again Allow the grass to grow to 80 mm then cut off only the top inch 5 For best appearance grass should be cut in the afternoon or evening whe...

Page 38: ...n place properly To avoid serious injury A Clear the work area of objects which might be picked up and thrown A Do not direct the opening of the deflector at bystanders especially children or animals Ejected objects may cause injury Plan your mowing carefully before starting operations A Keep bystanders and animals away from the mowing area A Be sure to disengage the PTO clutch of the mower before...

Page 39: ...to move forward or backward A Never attempt to move the machine with the parking brake ON A Keep the engine running at full throttle for best results Control the travel speed with the motion control levers A During heavy duty use operate the machine at a slower ground speed or go over the area twice A Keep the mower deck in the raised position when the mower is disengaged A The mower will not cut ...

Page 40: ...en to specified torque A Check all bolts frequently and keep them tightened BInflation Pressure Though the inflation pressure is factory set to the prescribed level it naturally drops slowly in the course of time Thus check it everyday and inflate as necessary WHEELS A When re fitting a wheel tighten the wheel bolt to the following torques then recheck after traveling 200 m 200 yards changing dire...

Page 41: ...ly parking brake 3 Lift the front of machine with a safe lifting device 4 Remove the nut and the wheel bolt 5 Remove the wheel from assembly yoke C Installing 1 Install the replacement wheel 2 Install the wheel bolt and the nut 3 Tighten the nut Reference 4 Lower machine Tightening torque 48 to 56 N m 4 9 to 5 7 kgf m 1 Nut 2 Wheel bolt 3 Yoke ...

Page 42: ... Transaxle fluid Change every 400Hr 53 5 Engine start system Check every 50Hr 39 6 OPC system Check every 50Hr 40 7 Air cleaner Precleaner element only ZG124E Clean every 25Hr or every 1 year 36 2 Replace every 100Hr or every 1 year 44 54 Air cleaner element Clean every 25Hr or every 1 year 37 2 Replace every 100Hr or every 1 year 44 54 8 Fuel filter Check every 100Hr 46 Replace every 100Hr or eve...

Page 43: ...he owner has the proper tools and is mechanically proficient 4 Consult your local KUBOTA Dealer for this service 5 On every after 500 Hr clean it if necessary 6 Not required unless engine performance problems are noted 13 Spark plug Check every 100Hr 45 Replace every 1 year 54 14 Hydraulic hose Check every 200Hr 51 Replace every 2 years 55 3 15 Engine breather hose Replace every 2 years 55 4 16 En...

Page 44: ...ge every 400Hr 53 5 Engine start system Check every 50Hr 39 6 OPC system Check every 50Hr 40 7 Air cleaner Precleaner element Clean every 25Hr 36 1 Replace every 100Hr or every 1 year 44 54 Air cleaner element Clean every 50Hr 40 Replace every 100Hr or every 1 year 44 54 8 Fuel filter Check every 100Hr 46 Replace every 100Hr 46 2 9 Fuel line Check every 100Hr 46 Replace every 2 years 55 2 10 Batte...

Page 45: ... methyl tertiary butyl ether is acceptable A Do not use unapproved gasoline such as E85 Do not mix oil in gasoline or modify the engine to run on alternate fuels This will damage the engine components and void the engine warranty A This engine is certified to operate on gasoline The emissions control system for this engine is EM Engine Modifications A High Altitude At altitudes over 5 000 feet 152...

Page 46: ...g position Do not keep the seat halfway 1 Pull the latch lever on the seat panel rearward 2 Raise the operator s seat to the resting position C Lower To avoid personal injury A Do not drop the seat to close it A Watch your hands Do not place your hands under the seat when closing 1 Lower the seat slowly to lock 1 Latch lever A PULL 1 Operator s seat ...

Page 47: ...se the proper Engine Oil SAE according to the ambient temperatures See LUBRICANTS AND FUEL in MAINTENANCE section No Check item Ref Page Walking around the machine 1 Damage of machine body tightness of all bolts nuts and pins etc 2 Fuel and oil leak 3 Tire pressure wear and damage 25 34 4 Engine oil level 32 5 Fuel level 33 6 Air intake screen 34 7 Transaxle fluid level 35 8 Air cleaner precleaner...

Page 48: ...ase to avoid deterioration in fuel quality or add fuel stabilizer to keep fuel fresh and stabilized A Fuel blend differs from season to season for the best seasonal engine performance To prevent engine performance troubles such as vapor lock or hard starting use fuel within the season in which the fuel is purchased A Infrequent use of the engine during a season can make fuel stale in the fuel tank...

Page 49: ...h a brush or cloth 3 Remove the dust and all foreign material from the engine plate 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 Do not inflate tires above the recommend...

Page 50: ...tank See LUBRICANTS AND FUEL in MAINTENANCE section A If oil level is low do not run engine Add the new oil to the prescribed level into the tank A Do not overfill the tank 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 not attempt to force it into motion In the above case remove the rust or the sticky objec...

Page 51: ...n under extremely dusty or dirty conditions 1 Loosen the air cleaner cover knobs and remove the air cleaner cover 2 Remove the air cleaner element with the precleaner and remove the precleaner from it Make sure the base and the sealing area is clean before reassembly is performed 3 Wash the precleaner in warm water with detergent Rinse the precleaner thoroughly until all traces of detergent are el...

Page 52: ...the door BCleaning Air Cleaner Element ZG124E ZG127E Every 100 hours of operation or annually replace the paper element Check every 25 hours of operation More often under extremely dusty or dirty conditions ZG124E 1 Loosen the air cleaner cover knobs and remove the air cleaner cover 2 Remove air cleaner element with precleaner 3 Remove the precleaner from the paper element 4 Gently tap the paper e...

Page 53: ...e pressurized air as this will damage the element Replace a dirty bent or damaged element with a genuine part Handle the new element carefully do not use if the sealing surfaces are bent or damaged 4 Clean the air cleaner base as required and check condition 5 Reinstall the air cleaner element and close the latch 6 Reinstall the air cleaner cover and secure it with two knobs A Operating the engine...

Page 54: ...n the key switch to START position 5 The engine must not crank Test 3 OPERATOR ON THE SEAT 1 Securely set the parking brake 2 Set the PTO switch to DISENGAGE OFF position 3 Grasp the motion control levers and move them inward from the NEUTRAL LOCK position to the NEUTRAL position and then release the levers 4 Turn the key switch to START position 5 The engine must not crank Test 4 OPERATOR ON THE ...

Page 55: ...ngine remains running in Test 1 through 2 consult your local KUBOTA Dealer to have the unit checked before operation BCleaning Air Cleaner Element ZG123S ZG127S Every 100 hours of operation or annually replace the paper element Check every 50 hours of operation More often under extremely dusty or dirty conditions ZG123S ZG127S 1 Open the door on the blower housing to access the air cleaner element...

Page 56: ...e to cool down sufficiently oil can be hot and may cause burns 1 To change the used oil unhook the drain hose direct the hose down and open the drain valve A The used oil can be drained out more easily if the engine is warm ZG124E ZG127E 2 Fill with the new oil up to the upper level on the dipstick ZG124E ZG127E 3 To check the oil level Remove the dipstick wipe it clean insert it and draw it out a...

Page 57: ...ur new oil of the proper type in through the threaded center hole Stop pouring when the oil reaches the bottom of the threads Allow a minute or two for the oil to be absorbed by the filter material 6 Apply a thin film of clean oil to the rubber gasket on the new oil filter 7 Install the new oil filter to the filter adapter Hand tighten the filter clockwise until the rubber gasket contacts the adap...

Page 58: ...e exhaust system installed on this engine A Replacement parts must be of the same design and installed in the same position as the original parts Other parts may not perform as well may damage the unit and may result in injury Remove accumulated debris from muffler area and cylinder area Inspect the muffler for cracks corrosion or other damage Remove the spark arrester if equipped and inspect for ...

Page 59: ...n EVERY 25 HOURS in PERIODIC SERVICE section BReplacing Air Cleaner Element ZG123S ZG127S See Cleaning Air Cleaner Element in EVERY 50 HOURS in PERIODIC SERVICE section BCleaning Engine Shroud To avoid personal injury A Make sure engine is cool to the touch before removing shrouds 1 Remove the engine shroud mounting bolts and detach the shroud 2 Check to see if the engine s cooling fins are blocke...

Page 60: ... spark plug wrench to remove plug A This engine is equipped with resistor type spark plug 3 Inspect spark plug for cracked porcelain pitted electrodes or other wear and damage Replace spark plug if necessary ZG124E ZG127E ZG123S ZG127S 4 Check spark plug gap with gap gauge 1 Spark plug both sides 1 Spark plug both sides 1 Spark plug both sides Recommended spark plug CHAMPION RC12YC A 0 76 mm ...

Page 61: ... line is made of rubber and ages regardless of service period 2 If the fuel line clamps and fuel filter are found damaged or deteriorated replace them A When the fuel line is disconnected for maintenance or repair close both ends of the fuel line with a piece of clean cloth or paper to prevent dust and dirt from entering In addition particular care must be taken not to admit dust and dirt into the...

Page 62: ...battery at all times especially when charging the battery To avoid serious injury A Batteries battery posts terminals and related accessories contain lead and lead compounds and other chemicals known to the State of California to cause cancer and birth defects or other reproductive harm WASH HANDS AFTER HANDLING A Never remove the battery cap while the engine is running A Keep electrolyte away fro...

Page 63: ... the negative terminal first When connecting the cable to the battery start with the positive terminal first A Never check battery charge by placing a metal object across the posts Use a voltmeter or hydrometer 1 To slow charge the battery connect the battery positive terminal to the charger positive terminal and the negative to the negative then charge for at least 1 hour at 6 5 amperes 2 A boost...

Page 64: ...equired holes B And then tighten the bolt 1 ZG123S ZG127S 1 Move the throttle lever to the FAST position 2 Make sure the throttle arm A contacts the choke arm B 3 If not possible loosen the bolt 1 and pull the throttle lever cable sheath 2 in the direction of the arrow until throttle arm A contact the choke arm B And then tighten the bolt 1 1 Throttle lever 1 Bolt 2 Throttle lever cable sheath A P...

Page 65: ...ew oil of the proper type in through the threaded center hole Stop pouring when the oil reaches the bottom of the threads Allow a minute or two for the oil to be absorbed by the filter material 6 Apply a thin film of clean oil to the rubber gasket on the new oil filter 7 Install the new oil filter to the filter adapter Hand tighten the filter clockwise until the rubber gasket contacts the adapter ...

Page 66: ...ssion case to cool down sufficiently oil can be hot and may cause burns Check to see if hydraulic hoses are properly fixed every 200 hours of operation 1 Check to see that all lines and hose clamps are tight and not damaged 2 If hoses and clamps are found worn or damaged replace or repair them at once 1 Hydraulic hose 2 Hose clamp 3 Transaxle fluid tank 1 Hose clamp 2 Transaxle fluid tank 1 Hose c...

Page 67: ...ear part number 52114 6 Install the new filter by hand turn 3 4 to one full turn after the filter gasket contacts the filter base surface 7 Re install the filter guard 3 with three hex head bolts 4 Torque bolts 4 to 7 35 N m securely 8 Repeat steps 2 7 on the opposite side transaxle drive 9 Drain old oil filters of all free flowing oil prior to disposal Place used oil in appropriate containers and...

Page 68: ...ons 5 or 6 times 3 With the bypass valve closed and the engine running slowly move the motion control levers in both forward and reverse directions 5 to 6 times Check the oil level and add oil as required after stopping the engine 4 It may be necessary to repeat Steps 2 and 3 until all the air is completely purged from the system When the transaxle operates at normal noise levels and moves smoothl...

Page 69: ...RIODIC SERVICE section BReplacing Air Cleaner Element ZG124E ZG127E See Cleaning Air Cleaner Element in EVERY 25 HOURS in PERIODIC SERVICE section BReplacing Air Cleaner Element ZG123S ZG127S See Cleaning Air Cleaner Element in EVERY 50 HOURS in PERIODIC SERVICE section BChanging Engine Oil ZG124E ZG127E See Changing Engine Oil ZG124E ZG127E in EVERY 50 HOURS in PERIODIC SERVICE section BReplacing...

Page 70: ... Dealer for this service SERVICE AS REQUIRED BReplacing Fuses Replacement of the fuse 1 Raise the operator s seat 2 Remove the blown fuse 3 Place a new fuse of the same capacity in position A If the new fuse happens to blow out within a short time contact your dealer for inspection and repair Never jump the fuse with wire or foil or install a larger capacity fuse than is recommended C Protected ci...

Page 71: ...proper metric size box or socket wrench to tighten or loosen the blade mounting bolt 3 To sharpen the blades yourself clamp the blade securely in a vise Use a large mill file and file along the original bevel until sharp 4 To check the blade for balance place a small rod through the center hole If the blade is not balanced file the heavy side of the blade until balance is achieved 5 To attach blad...

Page 72: ...he machine according to the procedure DISMOUNTING THE MOWER DECK 2 Remove the left and right hand shield from the mower deck 3 Remove the tension pulley and remove the belt 4 To install a new belt reverse the above procedure A Tighten the tension pulley bolt securely 77 6 to 90 2 N m 8 0 to 9 2 kgf m 1 LH blade 2 Center blade 3 RH blade 1 Tension pulley 2 Belt 3 Bolt 4 Shield ...

Page 73: ...ocal KUBOTA Dealer A Right and left motion control levers can be adjusted independently BHST NEUTRAL 1 Lift up and secure with jack stands or blocking the rear of the machine frame 2 Remove both rear wheels 3 Start the engine and run at maximum speed 4 Place the motion control lever in NEUTRAL LOCK position 5 Loosen the three bolts of the guide plate Adjust the guide plate position until the rear ...

Page 74: ... Move the speed adjust plate to backward 5 Tighten two front bolts securely 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 If positions of the control levers are unequal an adjustment is necessary To avoid personal injury A Park the machine on a...

Page 75: ...eved by having the anti scalp rollers adjusted off the ground Check anti scalp roller adjustments each time the mower deck cutting height is changed It is recommended that all the anti scalp rollers be kept off the ground to minimize scuffing 1 Check the machine tire pressure Inflate tires to the correct pressure See TIRES AND WHEELS section 2 Start the engine 3 Raise up the mower deck to the tran...

Page 76: ... the flat surface and ground 6 Check that the left side blade is same height The difference between both measurements should be less than 3 mm 7 If the Side to Side adjustment is not within the given tolerance adjustment is necessary C Adjusting level Side to Side 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 76 mm cutting heigh...

Page 77: ...blade has the same dimension The difference between both measurements should be less than 6 mm Front side must be lower than rear side 8 If the Front to Rear adjustment is not within the given tolerance adjustment is necessary 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 76 mm cutting height posi...

Page 78: ...17 10 5 12 0 9 16 N m kgf m 149 2 179 0 15 22 18 27 217 0 260 4 22 14 26 57 M14 N m kgf m 124 127 12 6 15 0 167 196 17 0 20 0 5 8 N m kgf m 203 4 244 1 20 75 24 91 298 3 358 0 30 44 36 53 M16 N m kgf m 196 225 20 0 23 0 260 303 26 5 31 0 Thread size d mm Hexa Bolt Head size B mm No mark 7T N m kgf m N m kgf m M8 12 or 13 17 8 20 6 19 2 1 4 1 9 2 1 2 0 0 1 23 5 27 5 25 5 2 0 2 4 2 8 2 6 0 2 M10 14 ...

Page 79: ...n while in storage Recharge it once a month in hot seasons and once every two months in cold seasons 7 Drain fuel tank fuel lines and carburetor or use a fuel stabilizer to prevent deterioration of the gasoline If you choose to use a fuel stabilizer follow the manufacturers recommendations and add the correct amount for the capacity of the fuel system Fill the fuel tank with clean fresh gasoline R...

Page 80: ...r A Fuel hose or fuel filter clogged or damaged A Clean or replace fuel lines and see your Kubota dealer A Air cleaner is clogged A Clean or replace the air cleaner A Spark plug defective A Adjust the spark plug gap or replace the spark plug A Check the spark plug wire connection A Fuse is blown A Replace the fuse A Engine oil viscosity is wrong A Use oils of different viscosities depending on amb...

Page 81: ...uel filter A Air cleaner is clogged A Clean or replace the air cleaner element A Choke is not fully opened A Check the choke position Exhaust fumes are colored White or Blue A Excessive engine oil A Reduce to the specified oil level A Piston ring is worn or stuck A See your Kubota dealer Engine overheats A Engine is overloaded A Lower speed or reduce load A Engine oil is insufficient A Replenish e...

Page 82: ...ctrolyte level A Battery was used too much without recharging A Charge battery sufficiently A Charge the battery properly Recharging is impossible A Battery life expired A Replace battery Terminals are severely corroded and heat up A Poor terminal connection A Clean the terminal and tighten securely A Keep the terminal clean and tight Apply grease and treat with anti corrosives Battery electrolyte...

Page 83: ...t engine rpm A Grass too long A Cut grass twice A Blades dull or damaged A Replace blades or have blades sharpened A Debris in mower deck A Clean mower deck Uneven cut A Mower deck not level A Level mower deck A Ground speed too fast A Slow down A Blades dull A Have blades sharpened A Blades worn or damaged A Replace blades A Low tire inflation A Add air to correct pressure A Anti scalp rollers no...

Page 84: ...ged pulleys A Replace pulleys A Pulleys out of alignment A Check pulleys A Blades out of balance A Have blades balanced Mower loads down machine A Engine rpm too low A Mow at full throttle check and reset engine rpm 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 in ADJUSTMENT section Symptom ...

Page 85: ...EUTRAL 58 Hydraulic Hose 51 Hydraulic Hose 55 Hydrostatic Transaxle Bypass Rods 21 Immediately Stop the Engine if 12 Inflation Pressure 25 Inflation Pressure 34 Key Switch 11 LEVEL MOWER DECK Front to Rear 62 LEVEL MOWER DECK Side to Side 61 Light Switch 16 Lubricating Oil for New Machines 15 Machine Break in 15 MAXIMUM SPEED FORWARD 59 Motion Control Lever 18 MOTION CONTROL LEVER ALIGNMENT 59 Mov...

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