Kubota Z724X Operator'S Manual Download Page 39

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OPERATING THE MACHINE

ENGLISH

Mower Lift Pedal

The mower lift pedal is used to raise and lower the mower
deck.

TO LOCK MOWER IN CARRY POSITION:

1. Set mower lock lever in "LOCK" position.

2. Push mower lift pedal to end of pedal stroke.

TO LOWER MOWER FROM CARRY POSITION:

1. While pushing mower lift pedal to end of stroke, set

mower lock lever to "UNLOCK" position.

2. Slowly release mower lift pedal.

3. Raise the implement.

(1) Mower lock lever

(L) "LOCK"

(1) Mower lift pedal

(P) "PUSH"

(1) Mower lift pedal

(P) "PUSH"

(1) Mower lock lever

(U) "UNLOCK"

Summary of Contents for Z724X

Page 1: ...DO NOT REMOVE OPERATOR S MANUAL 1BDABEAAP0010 READ AND SAVE THIS MANUAL MODELS ENGLISH Z724X Z726X K3851 7121 2 ...

Page 2: ...ndication of their meaning Safety Alert Symbol Read Operator s Manual Gasoline Fuel Fuel Level Parking Brake Engaged position Parking Brake Disengaged position Battery Charging Condition Engine Stop Engine Run Starter Control Power Take Off Switch Control Off Position Disengaged Power Take Off Switch Control On Position Engaged Hours Cutting Height Fast Slow Engine Speed Control Choke This spark i...

Page 3: ...control 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 o...

Page 4: ...y Checker TM 15 Fuel Gauge 15 Hour Meter 15 COLD WEATHER STARTING 16 WARMING UP 16 Warm up and Transmission Oil in the Low Temperature Range 16 JUMP STARTING 16 STOPPING THE ENGINE 17 OPERATING THE MACHINE 18 OPERATING NEW MACHINE 18 Changing Lubricating Oil for New Machines 18 Machine Break in 18 OPERATING FOLDABLE ROPS 19 To Fold the ROPS 19 To Raise the ROPS to Upright Position 20 Adjustment of...

Page 5: ...reen 41 Checking Tire Pressure 42 Inflation Pressure 42 Checking Transaxle Fluid Level 43 Checking Dial Cam Rotation Force 43 Checking Movable Parts 43 AFTER FIRST 8 HOURS 44 Changing Engine Oil 44 EVERY 50 HOURS 44 Checking Engine Start System 44 Checking OPC System 45 Greasing 45 Checking Muffler and Spark Arrester if equipped 46 EVERY 100 HOURS 46 Changing Engine Oil 46 Checking Carbon Canister...

Page 6: ... Fins 62 Changing Engine Oil 62 Cleaning Engine Cooling Areas 62 Checking Muffler and Spark Arrester 62 EVERY 2 YEARS 62 Replacing Hydraulic Hose 62 Replacing Fuel Lines 62 Replacing Carbon Canister Air Filter 62 SERVICE AS REQUIRED 62 Replacing Fuses 62 Checking and Replacing Blade 63 Mower Belt Replacement 64 ADJUSTMENT 65 MOTION CONTROL LEVER 65 HST NEUTRAL 65 MOTION CONTROL LEVER FORCE 66 MAXI...

Page 7: ...CONTENTS ENGLISH INDEX 79 ...

Page 8: ...upright and locked position and the seat belt fastened for all other operations If the ROPS is loosened or removed for any reason make sure that all parts are reinstalled correctly before operating the machine Never modify or repair a ROPS 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 yo...

Page 9: ... 4 Park the machine on a firm 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 obstruction...

Page 10: ...urn on slopes unless necessary If necessary turn uphill slowly and gradually 2 Do not mow near drop offs ditches or embankments The mower could suddenly turn over if a 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...

Page 11: ...ts have been tightened to the specified torque 14 Do not make adjustments or repairs with the engine running 15 Keep machine free of grass leaves or other debris build up 16 Do not change the engine governor setting or overspeed the engine 17 Do not run a machine inside a closed area 18 Mower blades are sharp and can cut your hands Wrap the blade s or wear gloves and use extra caution when servici...

Page 12: ...e danger of exhaust fume poisoning do not operate the engine in a closed building without adequate ventilation 4 To reduce fire hazards clean the machine thoroughly before storage Dry grass and leaves around the engine and muffler may ignite ...

Page 13: ...SAFE OPERATION 6 ENGLISH 5 DANGER WARNING AND CAUTION LABELS ...

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

Page 15: ...SAFE OPERATION 8 ENGLISH ...

Page 16: ... 9 SAFE OPERATION ENGLISH ...

Page 17: ...g 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 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 W...

Page 18: ...ealer No warranty shall however apply if the machine has not been handled according to the instruction given in the Operator s Manual even it is within the warranty period The engine is warranted under the Kawasaki Limited Warranty a copy of which has been provided with your machine purchase Please refer to the Kawasaki Limited Warranty for details regarding warranty coverage owner obligations war...

Page 19: ...SERVICING OF MACHINE 2 ENGLISH 1 ROPS serial No ...

Page 20: ...ission case L U S qts RH 3 3 3 5 3 LH 3 3 3 5 3 Dimensions Overall length mm in 2130 83 9 Overall width w o mower deck mm in 1280 50 4 1390 54 7 Overall height With ROPS mm in 1781 70 1 Wheelbase mm in 1294 50 9 Min ground clearance mm in 130 5 12 W 48 130 5 12 W 54 130 5 12 W 60 Tread Front mm in 954 37 6 Rear mm in 1020 40 2 1083 42 6 Weight W MOWER DECK kg lbs 538 1186 with 48 542 1195 with 54 ...

Page 21: ...ding but not limited to the operating speed of the engine in application environmental conditions maintenance and other variables 3 Oil amount when the oil level is at the upper level Model RCK48P 723Z RCK54P 724Z RCK60P 725Z PRO Commercial Deck Fabricated deck Suitable machine Z724XKW Z726XKW Mounting method Parallel linkage Adjustment of cutting height Dial gauge Cutting width mm in 1219 48 1372...

Page 22: ...ne 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 These limits include operator weight with seat in rearmost position Model Maximum loading weight Implement weight W Maximum total weight Front axle Wf Rear axl...

Page 23: ... 12 23 10 Cutting height control dial 28 2 Parking brake lock pedal 12 23 11 Key switch 14 3 Mower lock lever 22 12 Easy checker TM 15 4 Motion control lever 12 23 13 Choke lever 12 5 Seat belt 21 14 Hour meter 15 6 Cup holder 15 PTO switch 31 7 Operator s seat 20 16 Fuel gauge 15 8 ROPS 19 17 Throttle lever 23 9 Mower lift pedal 22 ...

Page 24: ...7 INSTRUMENT PANEL AND CONTROLS ENGLISH ILLUSTRATED CONTENTS 1 Anti scalp roller Front bolt shift type 28 ILLUSTRATED CONTENTS 1 Anti scalp roller Front bolt shift type 28 ...

Page 25: ... rollers to 25 4 mm 1 in position See ADJUSTING CUTTING HEIGHT in OPERATING THE MOWER section 4 Go backward so that right and left front tires would be on the board 38 1 mm 1 5 in high A Use a board more than 133 mm 5 25 in wide and 1600 mm 63 0 in long A Make sure that right and left front tires are firm on the board 5 Make sure the direction of the front tires is as shown in the figure 6 Place t...

Page 26: ...haft from the hole in the rear right side lift link 11 Attach the mower belt to the PTO clutch pulley 12 Remove the step See HOW TO OPEN THE STEP in PERIODIC SERVICE section 13 Turn the tension arm counterclockwise with a square wrench 1 Shaft 2 Lift link 3 Frame D 14 mm 0 55 in L More than 150 mm 6 in 1 Lift link 2 Clevis pin 3 Plain washer 4 Snap ring P OUTSIDE 1 Mower belt 2 PTO clutch pulley 1...

Page 27: ...pin 3 as shown in figure B Figure A Figure B 15 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 1 Mower belt 2 PTO clutch pulley A Mower tension arm area B PTO clutch area 3 Pin 1 4 Pin 2 5 Tension pulley 6 Idler pulley 7 Belt between the idler pulley and PTO clutch pulley 8 Belt between t...

Page 28: ...ed on the board 2 Adjust the anti scalp rollers to 25 4 mm 1 in position See ADJUSTING CUTTING HEIGHT in OPERATING THE MOWER section 3 Put a 14 mm 0 55 in x 150 mm 6 in shaft in the hole of the rear right side lift link 4 Remove the mower belt 5 Remove 4 clevis pins mounting the mower deck 6 Push the mower lift pedal toward the seat and remove the 14 mm 0 55 in shaft from the hole in the rear righ...

Page 29: ...n 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 Depress the parking brake pedal firmly with the left side of your right foot Keeping the parking brake pedal depressed use the right side of your right foot to depress the parking brake lock pedal Then release t...

Page 30: ... FAST positions 1 Parking brake pedal 2 Parking brake lock pedal 3 Right foot 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 ...

Page 31: ...ot start allow 60 seconds 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 temper...

Page 32: ...ine goes below the prescribed level the warning lamp in the Easy Checker TM will come on If this should happen during operation stop the engine immediately and check level of engine oil BFuel Gauge The fuel gauge indicates the fuel level A Do not refuel over F Fill the tank only to the bottom of the filler neck in the fuel tank A Fill the fuel on a level ground BHour Meter This meter gives reading...

Page 33: ... service life will be shortened JUMP STARTING To avoid serious injury A Keep cigarettes sparks and flames away 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 vehi...

Page 34: ... Remove the 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 ...

Page 35: ...ious 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 machine clos...

Page 36: ...S check for any 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 2 Remove both lock pins 3 Fold the ROPS To avoid personal injury A Hold the ROPS tightly with both hands and fold the ROPS slowly and carefully 4 Align lock pin holes and insert both lock pins and secure them with ...

Page 37: ...right position and secured with the hair pins BAdjustment of Foldable ROPS 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 STARTING BOperator s Seat To avoid serious injury A Make adjustments to the seat only while the machine is stopped A Make su...

Page 38: ...angle 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 The seat belt is an auto locking retractable type 1 Armrest angle adjustm...

Page 39: ...ock lever in LOCK position 2 Push mower lift pedal to end of pedal stroke TO LOWER MOWER FROM CARRY POSITION 1 While pushing mower lift pedal to end of stroke set mower lock lever to UNLOCK position 2 Slowly release mower lift pedal 3 Raise the implement 1 Mower lock lever L LOCK 1 Mower lift pedal P PUSH 1 Mower lift pedal P PUSH 1 Mower lock lever U UNLOCK ...

Page 40: ...n direction changes could cause loss of control or damage to the machine or property A Do not make sharp turns at high speeds Fast and sharp turns could cause loss of control A Motion control levers must be in NEUTRAL LOCK position to safely enter and exit the operator s seat or to carry out maintenance and safety checks A This machine can make sharp turns Always make sure your intended path is cl...

Page 41: ...n forward motion To move reverse Pull both control levers slowly rearward at the same time to begin reverse motion To stop Move and hold both motion control levers to the NEUTRAL position until the machine comes to a stop To avoid serious injury A The motion control lever adjustment is important to ensure the machine operates properly A The motion control linkages are adjustable If adjustment is r...

Page 42: ...y A The parking brake pedal is for parking and emergency use only If the parking brake is applied when the motion control levers are not in NEUTRAL LOCK position the engine will stop immediately This feature is to prevent brake and transmission damage during operation 1 Move both motion control levers to the NEUTRAL position to stop the machine 2 Move both motion control levers to NEUTRAL LOCK pos...

Page 43: ...ine A Remove the key A Place the motion control levers in the NEUTRAL LOCK position If necessary to park on an incline be sure to chock the wheels on the downhill side to prevent accidental rolling of the machine TRANSPORTING 1 Transport the machine on a trailer A Turn the fuel valve to the OFF position A Fasten the machine to the trailer 2 Do not attempt to tow this machine or damage to the trans...

Page 44: ... push the machine without rotating the bypass levers or transmission damage may occur A Never rotate the levers with the engine running 1 From the front of the transaxle rotate the bypass lever to the right Do this for both transaxle LH and RH See the figure below 2 After moving the machine rotate both the right side and left side bypass levers completely to the left 1 Bypass lever R ROTATE THE LE...

Page 45: ... green lawn never mow more than 1 3 of the height of the grass or a maximum of 25 mm 1 in 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 3 in then cut off only the top inch 5 For best appearance grass should be cut in the afternoon or evening when it is free o...

Page 46: ... normal operating condition To minimize gouging and roller damage or wear the anti scalp rollers will maintain the ground clearance of 6 mm 0 25 in 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 0 25 in to the ground BOLT 1 Anti scalp roller Front bolt shift type 1 Anti s...

Page 47: ... clearance mm Ref 1 00 25 1 6 1 25 32 12 1 50 38 19 1 75 44 25 2 00 50 2 19 2 25 58 25 2 50 64 3 19 2 75 70 25 3 00 76 31 1 3 25 83 38 2 3 50 89 44 2 3 75 95 51 2 4 00 102 57 2 4 25 108 63 2 4 50 114 70 2 4 75 121 76 2 5 00 127 83 2 1 For cutting heights above 3 0 The anti scalp rollers will still be effective against scalping 2 Use it if necessary ...

Page 48: ...ury 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 1 Sit on the operator s seat 2 Start the engine 3 Engage the PTO switch 4 Disengage the parking brake 5 Speed up the engine by moving the throttle lever forwar...

Page 49: ...essure 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 Z726X Z724X WHEELS A When re fitting a wheel tighten the wheel bolt to the following torques then recheck after traveling 200 m 200 yards changing directions several times Wheels with beveled or tapered holes Use the tapered whe...

Page 50: ...th nylon sleeve and the wheel bolt 5 Remove the wheel and dust covers from assembly yoke C Installing 1 Install the replacement wheel and dust covers 2 Install the wheel bolt and the lock nut with nylon sleeve 3 Tighten the nut 4 After installing add grease to the nipples A Insert the wheel bolt from the outside of the yoke A Tighten the nut gradually until wheel bearing play is eliminated and whe...

Page 51: ... arrester Check every 50Hr 46 10 Air cleaner Outer element Check every 100Hr 48 1 Replace every 250Hr 58 Inner element Check every 250Hr 58 1 Replace every 500Hr 61 11 Carbon canister air filter Check every 100Hr 47 1 Replace every 2 years 62 2 12 Fuel filter Check every 100Hr 49 Replace every 200Hr 58 13 Fuel line Check every 100Hr 49 Replace every 2 years 62 2 14 Battery condition Check every 10...

Page 52: ...ission control devices and systems should be performed by a qualified repair establishment or individual which has the experience and equipment to perform such work 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 25 Fuse Replace Service as required 62 26...

Page 53: ...36 MAINTENANCE ENGLISH PERIODIC SERVICE CHART LABEL 1 Part No K3851 6551 ENGLISH 2 Part No K3851 6552 SPANISH ...

Page 54: ...itudes above 3300 ft 1006 meters Operation without this kit will cause decreased performance increased fuel consumption and increased emissions This engine should be operated in its original configuration below 3300 ft 1006 meters as damage may occur if high altitude carburetor kit is installed and operated below 3300 ft 1006 meters A Indicated capacity of fuel is manufacture s estimate Place Capa...

Page 55: ...tep use grip to rotate the step in A direction then remove the step in B direction HOW TO RAISE THE OPERATOR S SEAT C Raise To avoid serious injury A Fully raise the operator s seat To the resting position Do not keep the seat halfway 1 Slide seat to rearmost position 2 Pull the latch lever on the seat panel rearward 1 Step 2 Grip A ROTATE B REMOVE 1 Seat slide lever A UNLOCK 1 Latch lever ...

Page 56: ...ess of all bolts nuts and pins etc 2 Fuel and oil leak 3 Tire pressure wear and damage 32 42 4 Engine oil level 40 5 Fuel level 40 6 Transaxle fluid level 43 7 Machine body cleaning 8 Clean area around muffler engine and cutting height cam Mower 1 Check all hardware 2 Make sure all pins are in place 3 Mower deck cleaning 4 Make sure blade bolts are tight 63 5 Blades and belt wear or damage 63 Whil...

Page 57: ...not smoke while filling the fuel tank or servicing the fuel system Fill fuel tank only to bottom of filler neck Do not fill completely full The empty space in the tank allows gasoline to expand when it heats up Never remove the fuel tank cap or add fuel when the fuel tank is hot Check the fuel level Take care that the fuel tank does not become empty A Do not mix oil with gasoline A Tighten the fue...

Page 58: ...thanol additive is not recommended For the best results use unleaded fuel with a minimum of 87 octane BChecking and Cleaning Air Intake Screen To avoid serious injury A Be sure to stop the engine and remove the key before cleaning A Make sure that the engine is cool to the touch before cleaning A The air intake screen and air intake area must be clear of debris to prevent the engine from overheati...

Page 59: ...tires larger than specified 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 Z726X Z724X Tire sizes Recommended Inflation Max Pressure Front 13 x 6 5 6 Non flat Smooth Rear 24 x 12 12 4PR Turf 69 kPa 0 7 kgf cm 10 psi Tire sizes Recommended Inflation Max Pressure ...

Page 60: ...Do not overfill the expansion tank BChecking Dial Cam Rotation Force 1 Park the machine on a flat surface shut off the engine and remove the key 2 Raise the implement to the TRANSPORT position See ADJUSTING CUTTING HEIGHT in OPERATING THE MOWER section 3 Rotate the cutting height control dial and check for smoothness 4 If rotation force is too high clean dial cam area and apply grease under the di...

Page 61: ...t set the parking brake release it from test 1 2 Set the PTO switch to DISENGAGE OFF position 3 Set the motion control levers to the NEUTRAL LOCK position 4 Turn 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 NEUTR...

Page 62: ...GET OFF THE MACHINE 5 The engine must shut off Test 2 OPERATOR ON THE SEAT 1 Start the engine 2 Do not set the parking brake 3 Set the PTO switch to ENGAGE ON position 4 Stand up DO NOT GET OFF THE MACHINE 5 The engine must shut off after 1 second A If the engine remains running in Test 1 or 2 consult your local KUBOTA Dealer to have the unit checked before operation BGreasing To avoid serious inj...

Page 63: ...in a spark arrester designed for the 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 ar...

Page 64: ...e key and disengage PTO 1 Remove the carbon canister 2 Remove the carbon canister air filter 3 Check to see if the carbon canister air filter is worn out damaged or dirty 4 If the air filter is dirty wash the air filter in warm water with detergent Then rinse the air filter thoroughly until all traces of detergent are eliminated Squeeze out excess water do not wring Allow the air filter to air dry...

Page 65: ...and clean if necessary 3 Remove and check outer element Replace if dirty 4 If replacing outer element remove and check inner element Replace inner element if dirty 5 Check all parts for wear cracks or damage and that ejector area is clean 6 After checking parts reassemble the air cleaner When installing the end cap make sure the alignment arrow on the end cap and the alignment arrow on the air cle...

Page 66: ...If the fuel line clamps and fuel filter are found damaged or deteriorated replace them 3 Check fuel filter if they are clogged by debris or contaminated with water replace it 4 If the dust or chaff has accumulated around the fuel filter remove them by hand or air blow 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 pape...

Page 67: ...both sides 5 If the length of the brake spring is not correct adjust it See Adjustment of brake spring length in the next page 6 Release the parking brake completely 7 Hold the brake rod lightly 8 Check the brake spring play 9 If the brake spring play is not correct adjust it See Adjustment of brake spring play in the next page A Proper brake spring length with the brake applied to the lock positi...

Page 68: ...or the refillable type battery follow the 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 Check the fluid level regularly and add distilled water as required so that the fluid level is...

Page 69: ...with 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 b...

Page 70: ...ow A Then tighten the bolt BAdjusting Throttle Cable 1 Move the throttle lever to the FAST position 2 Make sure the throttle arm contacts the stopper bolt 3 If not possible loosen the bolt and pull the throttle lever cable sheath in the direction of the arrow until throttle arm contacts the stopper bolt And then tighten the bolt 1 Choke lever 1 Choke bracket 2 Choke cable 3 Choke cable sheath 4 Bo...

Page 71: ...A Dealer before disassembling engine 1 Remove fan guard 2 Remove oil cooler 3 Remove fuel pump 4 Unplug voltage regulator and remove ground bolt 5 Remove air cleaner 6 Remove blower housing 7 Remove engine shrouds 8 Clean all areas that were previously covered by the blower cover with compressed air Remove all dust dirt and debris 9 Reinstall all parts in the reverse order of the above procedure A...

Page 72: ...n the 4 bolts for the engine oil cooler 3 Pull out the engine oil cooler 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 Put back the engine oil cooler in the original position and tighten bolts BGreasing To avoid serious injury A Be sure to stop th...

Page 73: ...e the plug if worn or reuse is questionable 5 Inspect spark plugs for cracked porcelain pitted electrodes or other wear and damage Replace the spark plug if necessary A Do not clean the spark plug in a machine using abrasive grit Some grit could remain in the spark plug and enter the engine which may cause extensive wear and damage 6 Check the gap using a wire feeler gauge Adjust the gap to 0 75 m...

Page 74: ...tion 2 Remove the old filter and wipe off the filter adapter with a clean cloth 3 Place a new replacement filter in a shallow pan with the open end up Pour 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 2 for the oil to be absorbed by the filter material 4 Apply a thin film of clean oil to the rubber gask...

Page 75: ...qt capacity minimum beneath the oil drain plug Remove the oil drain plug and washer and allow used oil to drain completely A Remove the expansion tank cap to speed up the draining process 3 Remove the oil filter A Always replace the filter when performing any internal maintenance to the transaxle 4 Wipe the oil filter mounting surface and apply a film of new oil to the new oil filter o ring 5 Inst...

Page 76: ...ngage the parking brake 10 Slowly move the motion control levers to the max forward position Hold for 30 seconds 11 Slowly move the motion control levers to the max reverse position Hold for 30 seconds 12 Place the motion control levers in neutral lock apply the parking brake and stop the engine 13 Check the transaxle oil level If oil level is below the MIN line proceed to step 14 Otherwise the pu...

Page 77: ... 2 5 mm 0 100 in or greater or if clutch is having trouble engaging when hot proceed to Step 3 Otherwise skip to Step 9 3 Loosen both brake mounting bolts 1 full turn 4 Use pliers or hand to remove the shim Do not discard shim until proper clutch function has been confirmed 5 Using a pneumatic line blow out any debris from under the brake pole and around the aluminum spacers 6 Tighten each brake m...

Page 78: ...lectric clutch transaxle drive pulley and engine can be removed if needed 1 Remove the mower belt 2 Remove the transaxle belt 3 Remove the electric clutch and transaxle drive pulley 4 Apply a light coating of copper based Anti Seize lubricant to engine crank shaft 5 Reinstall transaxle drive pulley electric clutch and clutch mounting bolt 6 Torque clutch mounting bolt to 67 75 N m 50 55 lbf ft 7 R...

Page 79: ...Consult your local KUBOTA Dealer for this service BReplacing Carbon Canister Air Filter See Checking Carbon Canister Air Filter in EVERY 100 HOURS in PERIODIC SERVICE section SERVICE AS REQUIRED BReplacing Fuses Replacement of the fuse 1 Remove the blown fuse 2 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 inspec...

Page 80: ...lustrated A Use the 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 achie...

Page 81: ...e below periodically 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 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 57 1 to 66 5 lbf ft 1 LH blade 2 Center blade 3 RH bl...

Page 82: ... 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 If the rear axle is still turning follow the following steps to adjust the neutral position 6 Put weight on the seat cushion 7 Lengthen or shorten the rod by 1 2 turn and then tighten the lock nuts 8 Place the motion control lever to the reverse po...

Page 83: ...djusting HST neutral A Adjusting the motion control lever force will affect the maneuverability 1 Change the upper side of the damper to the desired hole location Tighten the upper side damper nut 2 Loosen the nut on the bottom side of damper 3 Move the motion control lever to the rearmost position and release the motion control lever 4 After the motion control lever and damper have stopped moving...

Page 84: ...y To avoid serious injury A Park the machine on a firm and level surface A Stop the engine remove the key and apply the parking brake C Aligning the control levers 1 Stop the engine and apply the parking brake Lever position High or Low 2 Remove the bolts and select the motion control lever position high or low 3 Tighten the bolts Lever alignment Right and Left 4 Loosen the bolts 5 Slide both leve...

Page 85: ...ware BLEVEL MOWER DECK Side to Side To avoid serious 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 A Check the machine tire pressure Inflate tires to the correct pressure See TIRES AND WHEELS section C Checking level Side to Side A Mower deck anti scalp...

Page 86: ...emove the key while checking or adjusting the level of the mower deck A Check the machine tire pressure Inflate tires to the correct pressure See TIRES AND WHEELS section C Checking level Front to Rear A Mower deck anti scalp rollers should not contact the ground 1 Raise the mower deck to the transport position Also the top end 2 Turn the cutting height set dial to the 76 mm 3 in cutting height po...

Page 87: ...ine tuning bolts to set 76 mm 3 in blade height Both front side bolts must be adjusted 7 Tighten the jam nuts 8 Adjust the other side equally A The difference between both measurements should be less than 6 mm 1 4 in Front side must be lower than rear side 9 Check the front to rear level and if it is not level adjustment is necessary BMOWER LIFT PEDAL ADJUSTMENT 1 Stop the engine and apply the par...

Page 88: ...4 34 3 3 0 3 5 3 8 lbf ft N m kgf m 35 42 47 5 57 0 4 84 5 82 45 54 61 0 73 2 6 22 7 47 M10 lbf ft N m kgf m 35 5 41 2 48 1 55 8 4 9 5 7 44 9 52 1 60 8 70 5 6 2 7 2 1 2 lbf ft N m kgf m 80 96 108 5 130 2 11 07 13 29 110 132 149 2 179 0 15 22 18 27 M12 lbf ft N m kgf m 57 2 66 5 77 5 90 1 7 9 9 2 76 0 86 8 103 117 10 5 12 0 9 16 lbf ft N m kgf m 110 132 149 2 179 0 15 22 18 27 160 192 217 0 260 4 2...

Page 89: ... 2 39 3 45 1 42 2 2 9 4 0 4 6 4 3 0 3 35 4 41 2 38 3 2 9 48 1 55 9 52 0 3 9 4 9 5 7 5 3 0 4 M12 17 or 19 46 3 53 5 49 9 3 6 62 8 72 6 67 7 4 9 6 4 7 4 6 9 0 5 57 1 66 5 61 8 4 7 77 6 90 2 83 9 6 3 8 0 9 2 8 6 0 6 M14 19 or 22 79 6 92 6 86 1 6 5 107 9 125 5 116 7 8 8 11 0 12 8 11 9 0 9 91 1 108 5 99 8 8 7 123 6 147 0 135 3 11 7 12 6 15 0 13 8 1 2 A Figure 7 on the top of the bolt indicates that the...

Page 90: ...echarge it once a month in hot seasons and once every 2 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 Run the engine for 2 to...

Page 91: ...ubota dealer 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 depen...

Page 92: ... fuel 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...

Page 93: ...y sufficiently A Battery must be serviced properly before initial use When viewed from top the top of plates look whitish A Battery was used with an insufficient amount of electrolyte A Add distilled water and charge the battery A Regularly check the electrolyte level A Battery was used too much without recharging A Charge battery sufficiently A Charge the battery properly Recharging is impossible...

Page 94: ...A Full up and lubricate linkage Transaxle belt is slipping A Weak tension spring A Replace the tension spring A Worn transaxle belt A Replace the transaxle belt Symptom If Cause Remedy Blade does not rotate A PTO system is not normal PTO system malfunctioning A See your Kubota Dealer A PTO system is normal Broken mower belt A Replace Mower belt slipping A Weaken tension spring A Replace A Worn mow...

Page 95: ... speed on turns A Ridges in terrain A Change mowing pattern A Rough or uneven terrain A Adjust wheels pressure and anti scalp rollers A Anti scalp rollers not adjusted correctly A Adjust wheels pressure and anti scalp rollers A Bent blade s A Replace blade s Excessive vibration A Debris on mower deck or in pulleys A Clean mower deck and pulleys A Damaged mower belt A Replace mower belt A Damaged p...

Page 96: ...e Bypass Lever 27 Immediately Stop the Engine if 15 Inflation Pressure 32 Inflation Pressure 42 Key Switch 14 LEVEL MOWER DECK Front to Rear 69 LEVEL MOWER DECK Side to Side 68 Lubricating Crank shaft 61 Lubricating Oil for New Machines 18 Machine Break in 18 MAXIMUM SPEED FORWARD 67 Motion Control Lever 23 MOTION CONTROL LEVER ALIGNMENT 67 MOTION CONTROL LEVER FORCE 66 Movable Parts 43 Mower Belt...

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Kubota Z724X, Operator'S Manual

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