Kubota RTV520 Operator'S Manual Download

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10. Checking parking brake

Pull the parking brake lever to apply the brakes. With
the key switch at

“ON”

position, the brake indicator on

the instrument panel lights up.
To release the brakes, push in the button at the tip of
the parking brake lever and tilt down the lever.

NOTE :

• Make sure the parking brake indicator light

on the Easy Checker

™

goes off when parking

brake lever is down.

(1) Parking brake lever
(2) Release button

(A) “PULL”
(B) “RELEASE”

11. Checking gauges, meter and

Easy Checker

™

1. Inspect the instrument panel for broken gauge(s),

meter(s) and Easy Checker

™

lamps.

2. Replace if broken.

12. Checking head lights, tail lights

and other lights (if equipped)

1. Inspect the lights for broken bulbs and lenses.
2. Replace if broken.

13. Checking seat belt and ROPS

1. Always check condition of seat belt and ROPS

attaching hardware before operating vehicle.

2. Replace if damaged.

14. Checking joint boots

1. Check to see if the joint boots are damaged.
2. If the joint boots are damaged, cracked or show

signs of deterioration, consult your local KUBOTA
Dealer.

(1) Joint boot
(2) Front drive shaft
(3) Tie rod

(1) Joint boot
(2) Drive shaft

15. Checking tire inflation pressure

Though the tire 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.

Tire sizes

Inflation pressure

24 × 9 - 12 HDWS, Front

24 × 11 - 12 HDWS, Rear

97 kPa

(0.99 kgf/cm

, 14 psi)

24 × 9 - 12 ATV, Front

24 × 11 - 12 ATV, Rear

DAILY CHECK

PERIODIC SERVICE

RTV520

Summary of Contents for RTV520

Page 1: ... KUBOTA Corporation 2020 PRINTED IN U S A READ AND SAVE THIS MANUAL R T V 5 2 0 English U S A Code No K7321 7121 1 AY K 1 1 AK UTILITY VEHICLE OPERATOR S MANUAL 1TZES00001A01 ...

Page 2: ...s machine is equipped by the manufacture with a standard spark arrester It is a violation of California Public Resource Code Section 4442 to use or operate this engine on or near any forest covered brush covered land or grass covered land unless the exhaust system is equipped with a working spark arrester meeting state laws Other states or federal areas may have similar laws California Proposition...

Page 3: ...bols are shown below with an indication of their meaning Safety Alert Symbol Engine Coolant Temperature Brake Brake and Parking Brake Battery Charging Condition Engine Oil Pressure Turn Signal Engine Stop Engine Run Engine Diagnostic Starter Control Differential Lock Headlight Audible Warning Device 4 Wheel Drive On 4 Wheel Drive Off Lock Unlock ...

Page 4: ...t will help you become familiar with the operation of the vehicle and contains many helpful hints about vehicle maintenance This manual contains instructions for minor maintenance but information about major repairs is outlined in the KUBOTA Work Shop Manual and should be performed only by a KUBOTA Dealer Technician It is KUBOTA s policy to utilize as quickly as possible every advance in our resea...

Page 5: ...E 31 OPERATING NEW VEHICLE 31 1 Do not operate the vehicle at full speed for the first 50 hours 31 2 Changing lubricating oil for new vehicles 31 STARTING THE VEHICLE 31 1 Seat belt 31 2 Head light switch 31 3 Horn button 32 4 Brake pedal 32 5 Range gear shift lever 32 6 4WD lever 33 7 Parking brake lever 33 8 Speed control pedal 34 STOPPING THE VEHICLE 34 CHECK DURING DRIVING 34 1 Easy Checker 34...

Page 6: ... INTERVALS 48 LUBRICANTS FUEL AND COOLANT 51 PERIODIC SERVICE 52 HOW TO OPEN THE HOOD AND TILT THE SEAT 52 1 Hood 52 2 Operator s seat 53 HOW TO RAISE THE CARGO BED 53 1 Raising and lowering the cargo bed 53 JACK UP POINT 54 1 Front end 54 2 Rear end 54 DAILY CHECK 54 1 Walk around inspection 55 2 Checking amount of fuel and refueling 55 3 Checking engine oil level 56 4 Checking transmission fluid...

Page 7: ...ire 70 EVERY 400 HOURS 71 1 Changing transmission oil 71 2 Changing front axle case oil 71 EVERY 500 HOURS 72 1 Checking engine timing belt 72 EVERY 1000 HOURS 72 1 Replacing engine timing belt 72 2 Adjusting engine valve clearance 72 3 Cleaning engine combustion chamber 72 EVERY 1000 HOURS OR EVERY 1 YEAR 72 1 Replacing air cleaner primary element and secondary element 72 2 Replacing pre cleaner ...

Page 8: ...TROUBLESHOOTING 82 BATTERY TROUBLESHOOTING 84 BRAKE TROUBLESHOOTING 84 HYDROSTATIC TRANSMISSION TROUBLESHOOTING 85 FRONT AXLE TROUBLESHOOTING 85 STEERING TROUBLESHOOTING 85 ELECTRICAL SYSTEM TROUBLESHOOTING 86 CHARGING SYSTEM TROUBLESHOOTING 86 LIGHTING SYSTEM TROUBLESHOOTING 86 COOLING SYSTEM TROUBLESHOOTING 87 OPTIONS 88 LIST OF OPTIONS 88 ENGINE EMISSION RELATED INFORMATION 89 INDEX 90 4 RTV520...

Page 9: ...vehicle or any implement attached to it Check for overhead clearance which may interfere with the CAB or ROPS Do not allow any bystanders around or near the vehicle during operation Never allow anyone without a valid driver s license to operate this vehicle Before allowing other people to use your vehicle explain how to operate and have them read this manual before operation Never wear loose torn ...

Page 10: ...d attempting to do so could be dangerous Do not operate near ditches holes embankments or other ground surface features which may collapse under the vehicle s weight The risk of vehicle upset is even higher when the ground is loose or wet Watch where you are going at all times Watch for and avoid obstacles Be alert at row ends near trees and other obstructions When working in groups always let the...

Page 11: ...rection on slopes If vehicle stops or loses power going up a hill lock parking brake to hold vehicle on slope Maintain direction of travel and release brake slowly Back straight downhill while maintaining control Do not turn vehicle sideways Vehicle is more stable in a straight forward or rearward position When riding on soft terrain turn front wheels slightly uphill to keep vehicle on a straight ...

Page 12: ...d only Do not place hands or body under the cargo bed when lowering bed Braking distance increases when cargo bed is loaded PARKING THE VEHICLE Lower all implements to the ground place the range gear shift in NEUTRAL position set the parking brake stop the engine and remove the key Make sure that the vehicle has come to a complete stop before dismounting Avoid parking on steep slopes if possible p...

Page 13: ...coolant level on page 57 Do not attempt to mount a tire on a rim This should be done by a qualified person with the proper equipment Always maintain the correct tire pressure Do not inflate tires above the recommended pressure shown in the operator s manual Securely support the vehicle when changing wheels Make sure that wheel bolts have been tightened to the specified torque Do not work under any...

Page 14: ...ife Please dispose properly See your local recycling center or KUBOTA Dealer to learn how to recycle or dispose of waste products Remove the accumulated debris such as grass leaves brushes rags etc after performing the maintenance on the engine exhaust components and other extremely hot components which can catch a fire during operation SAFE OPERATION 10 RTV520 ...

Page 15: ...SAFETY LABELS SAFE OPERATION RTV520 11 ...

Page 16: ...SAFE OPERATION 12 RTV520 ...

Page 17: ...SAFE OPERATION RTV520 13 ...

Page 18: ...SAFE OPERATION 14 RTV520 ...

Page 19: ...SAFE OPERATION RTV520 15 ...

Page 20: ...SAFE OPERATION 16 RTV520 ...

Page 21: ...d or missing safety labels with new labels from your local KUBOTA Dealer If a component with safety label s affixed is replaced with a new part make sure the new label s is are attached to the same location s as the replaced component Mount new safety labels by applying on a clean dry surface and pressing any bubbles to the outside edge SAFE OPERATION RTV520 17 ...

Page 22: ...18 RTV520 ...

Page 23: ...n the space provided Product identification number Date of purchase Name of dealer Type Serial number Vehicle Engine Transmission ROPS To be filled in by purchaser 1 Product identification number 2 ROPS serial number 1 Engine serial number 1 Transmission assy serial number WARRANTY This vehicle is warranted under the KUBOTA Limited Express Warranty a copy of which may be obtained from your selling...

Page 24: ...ing brake Rear wheel hand lever Steering Rack and Pinion Suspension Front Independent MacPherson strut type Rear Rigid axle 5 link type Dimensions Length mm in 2670 105 1 2825 111 2 Width mm in 1390 54 7 Height overall mm in 1880 74 Front tread centers mm in 1020 40 2 Rear tread centers mm in 1040 41 Wheelbase mm in 1800 70 9 Ground clearance Front axle mm in 225 8 9 Rear axle mm in 170 6 7 Turnin...

Page 25: ...HDWS 6PLY Steel 24 11 12 ATV 6PLY Aluminum 24 11 12 HDWS 6PLY Aluminum Front guard Opt Standard Body color Orange Camo Speedometer Opt Rear net Opt 1 SAE J1349 Net NOTE The company reserves the right to change the specifications without notice The values in Ground clearance and Weight are those of the machine equipped with the tires in the table above TRAVELING SPEEDS Model RTV520 Range gear shift...

Page 26: ...lures of the vehicle resulting from use with improper implements are not covered by the warranty Max cargo loading weight W1 Rear trailer hitch Front trailer hitch Max cargo loading weight W1 should not exceed cargo bed capacity CBC or permissible cargo load PCL PCL payload capacity PC operator passenger opt acc weight CBC 200 kg 440 lbs PC general purpose 425 kg 937 lbs PC deluxe 418 kg 922 lbs M...

Page 27: ...AND CONTROLS LOCATION OF PARTS Illustrated contents 1 ROPS 2 Front hood 52 3 Headlights 31 4 Front trailer hitch bracket 46 5 Front trailer hitch if equipped 46 LOCATION OF PARTS INSTRUMENT PANEL AND CONTROLS RTV520 23 ...

Page 28: ...erential lock lever 36 9 Easy Checker 34 10 Range gear shift lever 32 11 4WD lever 33 12 Cup holder 13 Glove box 14 Operator s manual holder 15 12 V accessory plug 36 16 Speed control pedal 34 17 Brake pedal 32 18 Accessory box if equipped Illustrated contents 1 Seat belts 31 2 Seat 53 3 Parking brake lever 35 4 Battery INSTRUMENT PANEL AND CONTROLS 24 RTV520 ...

Page 29: ...ts 1 Handgrip 2 Cargo bed 40 3 Fuel tank cap 55 4 Muffler 65 5 Tailgate 42 6 Tail lamp 7 Rear trailer hitch bracket 46 8 Rear trailer hitch if equipped 46 9 Rear shock absorber 45 INSTRUMENT PANEL AND CONTROLS RTV520 25 ...

Page 30: ...mage to vehicle body tightness of all bolts nuts pins Check engine oil level Check transmission fluid level Check brake fluid level Check ECU cooling fan Check coolant level Clean radiator screen Clean around exhaust pipe and muffler Check brake Check parking brake Check indicators gauges and meters Check lights Check seat belt and ROPS Check front and drive joint boots Check tire inflation pressu...

Page 31: ...nd in a different section See SAFE OPERATION on page 5 IMPORTANT Do not use starting fluid to aid engine starting To protect the battery and the starter make sure that the starter is not continuously turned for more than 10 seconds If the engine does not start allow 60 second cool down period between start attempts STARTING THE ENGINE 1 Make sure the parking brake is set 1 Parking brake lever A Pu...

Page 32: ...fail to conduct daily checks carefully See DAILY CHECK on page 54 NOTE For further details of Easy Checker see Easy Checker on page 34 4 Turn the key to the START position and release when the engine starts IMPORTANT Because of safety devices the engine will not start except when the range gear shift lever is placed in the NEUTRAL position 1 Cold weather starting Cold weather starting is defined a...

Page 33: ...Do not connect other end of negative jumper cable to negative terminal of vehicle battery The parts such as the muffler may be hot Be careful not to get burned when connecting jumper cables IMPORTANT This vehicle has a 12 volt negative ground starting system Use of a higher voltage source could result in severe damage to vehicle s electrical system Use only the same voltage source when Jump starti...

Page 34: ...e exact reverse order of attachment Steps 8 7 and 6 Connect cables in numerical order Disconnect in reverse order after use 1 Dead battery 2 Lay a damp rag over the vent caps 3 Jumper cables 4 Helper battery OPERATING THE ENGINE 30 RTV520 ...

Page 35: ...portant in the case of a new vehicle The various parts are not broken in and are not accustomed to each other Small pieces of metal grit may develop during the operation of the vehicle and this may wear out or damage the parts Therefore care should be taken to change the lubricating oil a little earlier than would ordinarily be required For further details of change interval hours see MAINTENANCE ...

Page 36: ...al is the left pedal on the foot board Depress the pedal to slow or stop the vehicle 1 Brake pedal 5 Range gear shift lever WARNING To avoid serious injury or death Avoid changing range gear shift lever when ascending or descending a slope Before ascending or descending a slope shift to the L range to control the vehicle speed If you shift gears while ascending or descending a slope be prepared to...

Page 37: ...cle is suddenly braked such as by heavy towed loads shifting forward causing loss of control The braking characteristics are different between 2 and 4 wheel drive Be aware of the difference and use carefully 1 4WD lever A 4WD B 2WD IMPORTANT Use the lever to engage the front wheels with the vehicle stopped Shift the lever to 4WD to engage the front wheel drive Tires will wear quickly if front whee...

Page 38: ...ation immediately stop the engine and find the cause as shown as follows Never operate the vehicle with an Easy Checker lamp on 1 Easy Checker 2 Coolant temperature gauge 3 Fuel gauge 4 Hour meter 5 Electrical charge light 1 Electrical charge light 2 Master caution light 3 Easy Checker E EMPTY F FULL Brake indication light The warning lamp in the Easy Checker comes on if the parking brake is appli...

Page 39: ...ANT Do not refuel over F Fill the tank only to the bottom of the filler neck in the fuel tank 2 2 Hourmeter The hourmeter indicates the hours that the vehicle has been used in 5 digits the last digit indicates 1 10 of an hour 3 Coolant temperature gauge WARNING To avoid serious injury or death Do not remove radiator cap until coolant temperature is well below its boiling point Then loosen cap slig...

Page 40: ... more than 120 watts to this connector or the battery may discharge very rapidly or the outlet may fail IMPORTANT Do not use as a cigarette lighter Do not use when wet 1 12 V electric outlet OPERATING TECHNIQUES 1 Differential lock WARNING To avoid serious injury or death due to loss of steering control Do not operate the vehicle at high speed with differential lock engaged Do not attempt to turn ...

Page 41: ...3 Driving in reverse WARNING To avoid serious injury or death Turn around look down and behind you before backing up to be sure there are no obstacles or people in your way Depress speed control pedal gradually and back up cautiously To stop while driving in reverse take your foot off the speed control pedal and gradually apply the brake Do not suddenly engage the brake 4 Driving in 4WD WARNING To...

Page 42: ... hill Slow down until you can get a clean view of the other side at the crest of a hill If the engine stalls on a steep slope coast slowly straight down using the brake Stop and look for obstacles before descending a hill 7 Traversing hillsides WARNING To avoid serious injury or death Reduce vehicles speed to prevent tipping or loss of control Do not traverse hillsides that are slippery or covered...

Page 43: ... rocks holes or other obstacles that may cause overturn or becoming stuck or submerged Wet brakes may reduce the stopping ability of the vehicle After operating in water always apply the brakes to dry them out The brake that gets wet may wear out faster Check for brake wear more frequently if operating in water often Never operate the vehicle in the fast flowing water or in excess of 6 inches 152 ...

Page 44: ...cle equipped with electric dump you may do this operation at operator s seat after appropriate confirmation of safety Driving with the raised cargo bed may be hazardous Always lower the bed and latch the bed before driving Be careful not to put any part of your body such as hands or arms between the bed and vehicle Drive slowly when it is loaded CAUTION To avoid personal injury Do not raise the ca...

Page 45: ...g 440 lbs W 95 kg 209 lbs 95 kg 209 lbs 136 kg 300 lbs W IMPORTANT Maximum cargo load MCL capacity is 200 kg 440 lbs Never carry loads exceeding the permissible cargo load PCL NOTE Max cargo load should not exceed 200 kg 440 lbs or CL CL PC operator passenger opt acc cabin weight CL cargo load PC payload capacity opt option acc accessory General purpose Deluxe Payload capacity 425 kg 937 lbs 418 k...

Page 46: ...ailgate damage Remove the rear trailer hitch when wire loop is removed and cargo bed is raised 1 Raise the arms latch at each end of the tailgate and open the tailgate 2 Close the tailgate by lifting it and pushing it firmly closed Push the arms latch down to make sure the latches stay securely closed 1 Tailgate 2 Arm latch 3 Wire loop 4 Raising and lowering the cargo bed WARNING To avoid serious ...

Page 47: ...3 Plate 4 Bolt A LOCK B RELEASE C RAISE 4 Push the safety support into the latch slot to lock when the cargo is fully raised 1 Safety support 2 Latch slot 5 To lower the cargo bed raise the cargo bed slightly using the handgrip 6 Release the safety support from the latch slot by pulling up on the middle of the support 7 Put the safety support into the support holder 1 Support holder 8 Slowly lower...

Page 48: ...the course of time Thus check it everyday and inflate as necessary Tire sizes Inflation pressure 24 9 12 HDWS Front 24 11 12 HDWS Rear 97 kPa 0 99 kgf cm2 14 psi 24 9 12 ATV Front 24 11 12 ATV Rear 1 Ground A INSUFFICIENT B NORMAL C EXCESSIVE 2 Tire type and use Heavy duty work site tire All terrain vehicle tire WHEELS WARNING To avoid serious injury or death Support vehicle securely on stands bef...

Page 49: ...n the rear shock absorbers have 5 positions so that the springs can be adjusted for different riding and loading conditions For adjusting the rear shock absorber springs lift up the vehicle and turn the spring adjusting sleeves on the shock absorbers to the desired position with the hook wrench Rear shock absorber position Position Spring Feeling Load 1 Stronger Hard Heavy 2 3 4 default 5 Weaker S...

Page 50: ...ehicle unless all the functions of the vehicle are properly working since the malfunction of steering operation or braking may cause an accident Use the front trailer hitch for greater maneuverability in confined areas such as a barn Details regarding the front trailer hitch load can be found in a different section See VEHICLE LIMITATIONS on page 22 1 Front trailer hitch if equipped 2 Hitch pin if...

Page 51: ...portions of the vehicle which are shown in the following figure by using strong straps or chains 1 Front bumper 2 Heavy duty strap 1 Frame 2 Heavy duty strap TOWING AND TRANSPORTING TOWING AND TRANSPORTING RTV520 47 ...

Page 52: ...ntenance repair or replacement of the emission 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 To ensure the best quality and reliability use new KUBOTA Genuine parts or their equivalents for repair and replacement whenever you have maintenance done No ...

Page 53: ... Transmis sion oil filter VHT yellow col or Replace every 200 hrs 68 1 17 Transmis sion oil filter suction orange col or Replace every 200 hrs 68 1 18 Spark plug condition and gap Check every 200 hrs 69 19 Brake pedal Check every 200 hrs 70 1 6 20 Brake light switch Check every 200 hrs 70 1 21 Tire Check every 300 hrs 70 1 22 Transmis sion oil Change every 400 hrs 71 23 Front axle case oil Change ...

Page 54: ...brake Adjust 78 6 38 Fuse Replace 78 39 Light bulb Replace 80 1 The initial 50 hours should not be a replacement change check adjustment cycle 2 Air cleaner should be cleaned more often in dusty conditions than in normal conditions 3 Every 1000 hours or every 1 year whichever comes first 4 Replace only if necessary 5 When the battery is used for less than 100 hours per year check the battery condi...

Page 55: ...unt Spray type grease Cargo bed pivot 2 Parking brake lever pivot 2 Range gear shift lever pivot 1 4WD lever pivot 1 Differential lock lever pivot 1 Bypass link 1 Fuel Gasohol up to 10 ethyl alcohol 90 unleaded gasoline by volume is approved for the engine Other gasoline and alcohol blends are not approved Engine oil Oil used in the engine should have an American Petroleum Institute API service cl...

Page 56: ...m contact with moving parts Never open the operator s seat while the engine is running 1 Hood 1 To open the hood pull up the latch lever to release the latch and open the hood 2 Push the support link into the hole to lock when the hood is fully raised 1 Latch lever 2 Hood A RELEASE 3 To close the hood hold the hood and lift it up slightly and pull the support link to unlock 4 Put the support link ...

Page 57: ...e the vehicle is on a firm level surface and the parking brake is applied before raising the cargo bed and securing the cargo bed in the raised position A loaded cargo bed can be very heavy Never raise the cargo bed when it is loaded Unload the cargo bed before raising it by hand 1 Park the vehicle on a flat surface 2 Empty the cargo bed by hand 3 Release the latches on both sides and then raise t...

Page 58: ...it is secured by safe stands or suitable blocking 1 Front end Jack up at the front bumper only 1 Front bumper 2 Jack 3 Wooden block 2 Rear end Jack up the rear side using wooden block between the jack and transmission bottom cover IMPORTANT Do not jack it up supporting the steel plate portion under the transmission bottom cover directly 1 Transmission bottom cover 2 Jack 3 Wooden block DAILY CHECK...

Page 59: ...stabilized 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 Infrequent use of the engine during a season can make fuel stale in the fuel tank of the machine Stale fuel condition can cause engine performance troubles by varnish and plu...

Page 60: ... is not recommended For the best results use unleaded fuel with a minimum of 87 octane 3 Checking engine oil level WARNING To avoid serious injury or death Be sure to stop the engine before checking the oil level 1 Park the vehicle on a flat surface and raise the cargo bed Shut off the engine and remove the key 2 Allow the engine to cool for 5 minutes or more 3 To check the oil level draw out the ...

Page 61: ...our local KUBOTA Dealer 6 Cleaning radiator screen CAUTION To avoid personal injury Be sure to stop the engine before removing the screen IMPORTANT Radiator screen must be clean from debris to prevent engine from overheating 1 Park the vehicle on a flat surface and raise the seat 2 Detach the screen and remove all foreign materials 1 Radiator screen A DETACH 3 When you put it back push in the scre...

Page 62: ...rea around the filler cap before removing Do not open the fluid tank cap unless absolutely necessary Use extreme care when filling the fluid tank If brake fluid is spilled on the power steering hose wash off with water immediately Brake fluid quickly damages synthetic resin or rubber hoses 1 Park the vehicle on a level surface 2 Open the hood 3 Check to see that the brake fluid level is between th...

Page 63: ...f equipped 1 Inspect the lights for broken bulbs and lenses 2 Replace if broken 13 Checking seat belt and ROPS 1 Always check condition of seat belt and ROPS attaching hardware before operating vehicle 2 Replace if damaged 14 Checking joint boots 1 Check to see if the joint boots are damaged 2 If the joint boots are damaged cracked or show signs of deterioration consult your local KUBOTA Dealer 1 ...

Page 64: ...e following points every 50 hours If you operated the vehicle in extremely wet and muddy conditions lubricate grease fittings more often 1 VHT link grease fitting 1 Battery terminals spray type grease 1 Cargo bed pivot spray type grease 1 Parking brake lever pivot spray type grease PERIODIC SERVICE EVERY 50 HOURS 60 RTV520 ...

Page 65: ... consult your local KUBOTA Dealer for this service EVERY 100 HOURS 1 Checking VHT neutral spring 1 Park the vehicle on a flat place 2 Set the parking brake 3 Shift the range gear shift lever to the NEUTRAL position 4 Start the engine 5 Make sure that the rotation speed of the engine returns to the idling rotation immediately when taking the foot off the pedal after depressing the speed control ped...

Page 66: ...er 2 Clean the primary element When dry dust adheres to the element blow compressed air from the inside turning the element Pressure of compressed air must be under 205 kPa 2 1 kgf cm2 30 psi When carbon or oil adheres to the element replace the element with new one even if it has not been used for 1 year 3 Replace the primary element Once yearly or after every sixth cleaning whichever comes first...

Page 67: ...belt tension by fastening the adjusting bolt until the deflection of the belt is set within acceptable limits approximately 7 5 mm Proper alternator drive belt tension deflection Approx 7 5 mm 0 30 in when push ing the belt at A with 98 N 10 kgf 22 lbs 5 Fasten the M10 bolt 6 Check that the deflection of the belt at the center of the checking belt window is proper as the fourth step of the checkin...

Page 68: ...wer 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 between the UPPER and LOWER levels WARNING To avoid serious injury or death Never remove the vent caps while the engine is running Keep electrolyte awa...

Page 69: ...rge it once every 3 months in hot seasons and once every 6 months in cold seasons 8 Adjusting toe in Proper toe in 0 to 20 mm 0 to 0 79 in 1 Park vehicle on a flat place 2 Turn steering wheel so front wheels are in the straight ahead position 3 Lock the park brake and stop the engine 4 Measure distance between tire beads at front of tire at hub height 5 Measure distance between tire beads at rear ...

Page 70: ...RS 1 Adjusting parking brake lever The parking brake should be adjusted when the parking brake lever reaches 8 to 12 notches and will not hold the vehicle in place Consult your local KUBOTA Dealer Adjusting procedure 1 Park the vehicle on a firm flat and level surface and shut off the engine and remove the key 2 Release the parking brake 3 Loosen the lock nut and adjust the cable wire length 4 Pul...

Page 71: ...ove all of the old oil Never mix 2 different types of oil If oil level is low do not run engine To avoid damage vehicles subjected to extreme operations and or conditions must be inspected and serviced more frequently Extreme conditions 1 Frequent or prolonged operations in dusty environments 2 Prolonged low speed operations 3 Extended idle time 4 Frequent short trips which do not let the engine w...

Page 72: ...enance cover 2 Knob bolt 3 Detach the radiator screen 1 Radiator screen A DETACH 4 Remove all dirt and debris from radiator fins and fan shroud using compressed air or water Flow of compressed air or water should be from the back to the front as shown in the figures After raising the seat blow from the back of the fan 1 Air blow 2 Fan After raising the cargo bed blow from the back of the fan 1 Air...

Page 73: ...k 8 After running the engine for a few minutes stop the engine and check the oil level again add oil to the prescribed level 9 Make sure that the transmission fluid does not leak past the seal on the filters 1 Oil inlet 2 Dipstick A Oil level is acceptable within this range IMPORTANT To prevent serious damage to the transmission use only a KUBOTA genuine filter 6 Checking spark plug condition and ...

Page 74: ...ng the brake Checking the brake pedal free travel Proper brake pedal free travel 7 to 14 mm 0 3 to 0 6 in on the pedal 1 Release the parking brake 2 Slightly depress the brake pedal and measure free travel at the top of the pedal stroke 1 Brake pedal A FREE TRAVEL B PEDAL STROKE 3 If brake pedal free travel is outside of the specifications contact your local KUBOTA Dealer for adjusting the brake C...

Page 75: ...f the engine and remove the key 2 To drain the used oil remove the drain plug at the bottom of the transmission case and drain the oil completely into the oil pan A Drain plug 3 Check the rubber washer on the drain plug Replace it if missing or in poor condition 4 After draining reinstall the drain plug 5 Fill with the new KUBOTA SUPER UDT fluid up to the upper notch on the dipstick See LUBRICANTS...

Page 76: ...TA Dealer for this service 3 Cleaning engine combustion chamber Consult your local KUBOTA Dealer for this service EVERY 1000 HOURS OR EVERY 1 YEAR 1 Replacing air cleaner primary element and secondary element See Cleaning air cleaner primary element on page 62 2 Replacing pre cleaner element See Cleaning pre cleaner element on page 62 EVERY 2000 HOURS OR EVERY 2 YEARS Be sure to do the following s...

Page 77: ...e antifreeze is mixed with distilled water the antifreeze mixing ratio must be less than 50 Securely tighten radiator cap If the cap is loose or improperly fitted water may leak out and the engine could overheat 2 Antifreeze WARNING To avoid serious injury or death When handling antifreeze wear appropriate personal protective equipments such as rubber gloves and goggles Antifreeze contains poison ...

Page 78: ...ge NOTE Never add any long life coolant of different manufacturer Different brands may have different additive components and the engine may fail to perform as specified 5 When the LLC is mixed do not employ any radiator cleaning agent The LLC contains anti corrosive agent If mixed with the cleaning agent sludge may build up adversely affecting the engine parts 6 Kubota s genuine long life coolant...

Page 79: ...oses and tighten hose clamps securely if radiator hoses are swollen hardened or cracked 1 Radiator hose 2 Clamp band 1 Radiator hose 2 Clamp band 1 Radiator hose 2 Clamp band 3 Water return hose 4 Alternator Precaution at overheating Take the following actions in the event the coolant temperature is close to or more than the boiling point which is called Overheating 1 Stop the vehicle operation in...

Page 80: ... To avoid serious injury or death Be sure to stop the engine and remove the key before checking engine breather hose Check to see if engine breather hoses are properly fixed every year 1 Stop the engine and let cool down 2 If hose clamps are loose tighten bands securely 3 Replace hoses and tighten hose clamps securely if engine breather hoses are swollen hardened or cracked 1 Hose 2 Clamp Replace ...

Page 81: ...UBOTA Dealer for this service EVERY 4 YEARS 1 Replacing radiator hose water pipes Replace the hoses and clamps See Checking radiator hose and clamp on page 75 2 Replacing engine breather hose Consult your local KUBOTA Dealer for this service 3 Replacing brake master cylinder inner parts Consult your local KUBOTA Dealer for this service 4 Replacing intake air line Consult your local KUBOTA Dealer f...

Page 82: ... the ground 9 Tighten the wheel bolts from 108 4 to 121 9 N m 80 to 90 ft lbs 2 Adjusting parking brake For proper adjusting of the parking brake consult your local KUBOTA Dealer 3 Replacing fuse The vehicle electrical system is protected from potential damage by fuses A blown fuse indicates that there is an overload or short somewhere in the electrical system If any of the fuses should blow repla...

Page 83: ...ch 15 5 Spare fuse 16 10 Spare fuse 17 Fuse puller 18 15 Spare fuse 19 20 Spare fuse 4 Replacing slow blow fuses The slow blow fuses are intended to protect the electrical cabling If any of them have blown out be sure to pinpoint the cause Never use any substitute use only a Kubota genuine part Replacement procedure 1 Disconnect the negative cable of the battery 2 Remove the cover and the slow blo...

Page 84: ...5 W Brake light 21 W Easy Checker 3 8 W 14 V 0 27 A Instrument panel light 3 8 W 14 V 0 27 A Head lights Take the bulb out of the light body and replace it with a new one Other lights Detach the lens and replace the bulb PERIODIC SERVICE SERVICE AS REQUIRED 80 RTV520 ...

Page 85: ...ered from the elements Cover the vehicle 9 Store the vehicle indoors in a dry area that is protected from sunlight and excessive heat If the vehicle must be stored outdoors cover it with a waterproof tarpaulin Put boards under the tires to keep dampness away from tire Keep the tires out of direct sunlight and extreme heat IMPORTANT When washing the vehicle be sure to stop the engine Allow sufficie...

Page 86: ...e Battery becomes weak and the engine does not turn over quick enough Clean battery cables and terminals Charge the battery In cold weather always remove the battery from the engine charge and store it indoors Install it on the machine only when the machine is going to be used Insufficient engine power Insufficient or dirty fuel Check the fuel system Air cleaner is clogged Clean or replace the air...

Page 87: ...orrect level check radia tor and hoses for loose connections or leaks The motor driven fan does not turn Check to see if the fuse is not blown Check the electric system Dirty radiator core or grille screens Remove all trash Coolant flow route corroded Flush cooling system Engine diagnostic light comes on Consult your KUBOTA Dealer Engine will not idle Spark plug defective Adjust the spark plug gap...

Page 88: ...battery was used too much without re charging Charge the battery sufficiently Charge the battery properly Recharging is impossible The battery life ex pired Replace the battery Terminals are severely corroded and heat up Poor terminal con nection Clean the terminal and tighten securely Keep the terminal clean and tight Apply grease and treat with anti cor rosives The battery electrolyte level drop...

Page 89: ...n oil level Fill transmission oil level up to proper level Radiator net clogged Clean radiator net Excessive machine load Reduce machine load If you have any questions consult your local KUBOTA Dealer FRONT AXLE TROUBLESHOOTING Trouble Cause Countermeasure Front wheels wander to right or left Tire pressure uneven Inflate Improper toe in adjustment improper align ment Adjust Tie rod end loose Tight...

Page 90: ...own 10 A Replace Charging lamp does not go off when engine is running Alternator belt loose Repair or replace If you have any questions consult your local KUBOTA Dealer LIGHTING SYSTEM TROUBLESHOOTING Trouble Cause Countermeasure Head light does not light Fuse blown 10 A Replace Bulb blown Replace Tail light does not light Fuse blown 10 A Replace Bulb blown Replace Brake oil level or parking brake...

Page 91: ... when engine overheats Fuse blown 20 A 10 A Replace Battery discharged or defective Repair or replace Cooling fan motor rotates always when main switch is ON posi tion Fuse blown 10 A Replace If you have any questions consult your local KUBOTA Dealer COOLING SYSTEM TROUBLESHOOTING TROUBLESHOOTING RTV520 87 ...

Page 92: ...and pin 2 Front work light for plastic canopy or no canopy 1 or 2 Glove box Modular CAB with steel doors Plastic canopy black Rear net Rear trailer hitch and pin 2 Rear work light for plastic canopy or no canopy Safety windshield Snow blade 62 require heavy duty spring kit Speedometer Strobe light Turn signal and hazard light kit Warn 2 5CI Work lights kit for metal canopy or CAB include 2 lights ...

Page 93: ...ifornia emission regulations for off road small SI engines Emission compliance period 1000 hours CARB emissions durability period extended Exhaust emission control system Throttle body injection electronic control module 3 way catalyst ENGINE EMISSION RELATED INFORMATION RTV520 89 ...

Page 94: ...ng 42 53 cargo bed tailgate 42 charging system troubleshooting 86 check during driving 34 clamp checking 75 76 cold weather starting 28 coolant 51 changing 72 coolant level checking 57 coolant temperature gauge 35 cooling system 72 troubleshooting 87 D daily check 26 54 checking the tire pressure 44 dealer service 19 differential lock 36 directions for battery storage 65 driving in 4WD 37 driving ...

Page 95: ...itions 7 intake air line checking 76 replacing 77 J joint boot checking 59 L light bulb replacing 80 lighting system troubleshooting 86 location of parts 23 lubricants 51 lubricating oil changing 31 M machine operating on slopes 7 max cargo load 41 meter checking 59 N new vehicle 31 O operator s seat 53 options list 88 other light checking 59 other miscellaneous 8 P parking brake adjusting 78 appl...

Page 96: ...pping the vehicle 34 T tail light checking 59 tire checking 70 tire inflation pressure checking 59 tire type use 44 toe in adjusting 65 transmission fluid level checking 56 transmission oil changing 71 warming up in the low temperature range 29 transmission oil filter replacing 68 transporting the vehicle safely 46 traveling speeds 21 traversing hillsides 38 V vehicle before operating 5 operating ...

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Kubota RTV520, Operator'S Manual

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