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15

PERIODIC SERVICE

EN

GLISH

B

Fuel filter cartridge replacement

1. Replace the fuel filter cartridge with a new one every

400 operating hours.

2. Apply fuel oil thinly over the gasket and tighten the

cartridge into position by hand-tightening only.

3. Finally, vent the air.

A

Replace the fuel filter cartridge periodically to prevent
wear of the fuel injection pump plunger or the injection
nozzle, due to dirt in the fuel.

ENGINE OIL

To avoid personal injury:

A

Be sure to stop the engine before
checking and changing the engine
oil and the oil filter cartridge.

A

Do not touch muffler or exhaust
pipes while they are hot; Severe
burns could result. Always stop the
engine and allow it to cool before
conducting inspections,
maintenance, or for a cleaning
procedure. 

A

Contact with engine oil can damage
your skin. Put on gloves when using
engine oil. If you come in contact
with engine oil, wash it off
immediately.

A

Be sure to inspect the engine, locating it on a level
place. If placed on gradients accurately, oil quantity
may not be measured.

B

Checking oil level and adding engine oil

1. Check the engine oil level before starting or more than

5 minutes after stopping the engine.

2. Remove the oil level gauge, wipe it clean and reinstall

it.

3. Take the oil level gauge out again, and check the oil

level.

(1) Fuel filter cartridge
(2) Air vent plug
(3) O ring
(4) Pipe joint
(5) Cover

(1) Oil filler plug
(2) Oil level gauge

[Lower end of oil level gauge]
(A) Engine oil level within this
range is proper.

E.book  15 ページ  ２００９年４月２３日　木曜日　午前１０時３１分

Содержание D1503-M-E3

Страница 1: ......

Страница 2: ......

Страница 3: ...12 Fuel level check and refueling 12 Air bleeding the fuel system 13 Checking the fuel pipes 14 Cleaning the fuel filter pot 14 Fuel filter cartridge replacement 15 ENGINE OIL 15 Checking oil level and adding engine oil 15 Changing engine oil 16 Replacing the oil filter cartridge 17 RADIATOR 17 Checking coolant level adding coolant 18 Changing coolant 19 Remedies for quick decrease of coolant 19 C...

Страница 4: ...n for long term storage 23 ELECTRIC WIRING 23 FAN BELT 24 Adjusting Fan Belt Tension 24 CARRIAGE AND STORAGE 25 CARRIAGE 25 STORAGE 25 TROUBLESHOOTING 26 SPECIFICATIONS 28 WIRING DIAGRAMS 34 E book 2 ページ ２００９年４月２３日 木曜日 午前１０時３１分 ...

Страница 5: ...n good condition A Before allowing other people to use your engine explain how to operate and have them read this manual before operation A DO NOT modify the engine UNAUTHORIZED MODIFICATIONS to the engine may impair the function and or safety and affect engine life If the engine does not perform properly consult your local Kubota Engine Distributor first 2 WEAR SAFE CLOTHING AND PERSONAL PROTECTI...

Страница 6: ...engine clean and free of accumulated dirt grease and trash to avoid a fire Store flammable fluids in proper containers and cabinets away from sparks and heat A Check for and repair leaks immediately A DO NOT stop the engine without idling Allow the engine to cool down first Keep the engine idling for about 5 minutes before stopping unless there is a safety problem that requires immediate shut down...

Страница 7: ...condition Keep all electrical connections clean Bare wire or frayed insulation can cause a dangerous electrical shock and personal injury 7 ESCAPING FLUID A Relieve all pressure in the air the oil and the cooling systems before disconnecting any lines fittings or related items A Be cautious of possible pressure relief when disconnecting any device from a pressurized system that utilizes pressure D...

Страница 8: ... its fluid level is below the LOWER mark Otherwise the component parts may deteriorate earlier than expected which may shorten the service life or cause an explosion Immediately add distilled water until the fluid level is between the UPPER and LOWER marks A Keep sparks and open flames away from the battery especially during charging DO NOT strike a match near the battery A DO NOT check the batter...

Страница 9: ...OTA Anti freeze A Be mindful of the environment and the ecology Before draining any fluids determine the correct way to dispose of them Observe the relevant environmental protection regulations when disposing of oil fuel coolant brake fluid filters and batteries A When draining fluids from the engine place a suitable container underneath the engine body A DO NOT pour waste onto the ground down a d...

Страница 10: ...uct maintenance after the engine coolant muffler or muffler cover have cooled off completely A Always use the appropriate tools and fixtures Verify that they are in good condition before performing any service work Make sure you understand how to use them before service A Use ONLY correct engine barring techniques for manually rotating the engine DO NOT attempt to rotate the engine by pulling or p...

Страница 11: ... caution label s affixed is replaced with a new part make sure the new label s is are attached in the same location s as the replaced component 5 Mount new warning and caution labels by applying to a clean dry surface and pressing any bubbles to the outside edge 12 WARNING AND CAUTION LABELS Part No 19077 8724 1 or 16667 8724 1 55mm in diameter 37mm in diameter Part No TA040 4957 1 Do not get your...

Страница 12: ...8 SAFE OPERATION ENGLISH E book 8 ページ ２００９年４月２３日 木曜日 午前１０時３１分 ...

Страница 13: ...ever when in need of parts or major service be sure to see your KUBOTA dealer For service contact the KUBOTA Dealership from which you purchased your engine or your local KUBOTA dealer When in need of parts be prepared to give your dealer the engine serial number Locate the serial number now and record them in the space provided Type Serial No Engine Date of Purchase Name of Dealer To be filled in...

Страница 14: ...njection pump 5 Fuel feed pump 6 Cooling fan 7 Fan drive pulley 8 Oil filter cartridge 9 Water drain cock 10 Oil filler plug 11 Exhaust manifold 12 Alternator 13 Starter 14 Oil level gauge 15 Oil pressure switch 16 Flywheel 17 Oil drain plug 18 Oil pan 19 Engine hook E book 2 ページ ２００９年４月２３日 木曜日 午前１０時３１分 ...

Страница 15: ...ep dust or fuel away from the battery wiring muffler and engine to prevent a fire Check and clear them before operating everyday Pay attention to the heat of the exhaust pipe or exhaust gas so that it can not ignite trash Item Ref page 1 Parts which had trouble in previous operation 2 By walking around the machine 1 Oil or water leaks 15 to 20 2 Engine oil level and contamination 15 16 3 Amount of...

Страница 16: ...s e g hard hat safety boots or shoes eye and hearing protection gloves etc as appropriate or required A Do not wear radio or music headphones while operating engine A Check to see if it is safe around the engine before starting A Reinstall safeguards and shields securely and clear all maintenance tools when starting the engine after maintenance A Do not use ether or any starting fluid for starting...

Страница 17: ...not only in winter but also in warmer seasons An insufficiently warmed up engine can shorten its service life A When there is fear of temperature dropping below 15 C 5 F detach the battery from the machine and keep it indoors in a safe area to be reinstalled just before the next operation 4 Insert the key into the key switch and turn it to the OPERATION position A OFF SWITCHED OFF B ON OPERATION C...

Страница 18: ...hort or if there is any coolant leak 2 Check to see if there is any obstacle around the cooling air inlet or outlet 3 Check to see if there is any dirt or dust between radiator fins and tube 4 Check to see if the fan belt is too loose and 5 Check to see if radiator water pipe is clogged BOil pressure lamp The lamp lights up to warn the operator that the engine oil pressure has dropped below the pr...

Страница 19: ...rates A Unusual noises are suddenly heard A Exhaust fumes suddenly become very dark A The oil pressure lamp or the water temperature alarm lamp lights up REVERSED ENGINE REVOLUTION AND REMEDIES To avoid personal injury A Reversed engine operation can make the machine reverse and run it backwards It may lead to serious trouble A Reversed engine operation may make exhaust gas gush out into the intak...

Страница 20: ...asoline but use regular cleanser A Always use proper tools that are in good condition Make sure you understand how to use them before performing any service work A When installing be sure to tighten all bolts lest they should be loose Tighten the bolts by the specified torque A Do not put any tools on the battery or battery terminals may short out Severe burns or fire could result Detach the batte...

Страница 21: ...g water separator Every 200 hours Replacement of oil filter cartridge depending on the oil pan 17 Check of intake air line Every 200 hours of operation or six months Check of radiator hoses and clamp bands 19 Every 400 hours Replacement of fuel filter cartridge 15 Cleaning of water separator Every 500 hours Removal of sediment in fuel tank Cleaning of water jacket radiator interior 18 to 20 Replac...

Страница 22: ... high sulfur fuel is employed Recommendable X Not recommendable TBN Total Base Number Fuel A Diesel Fuel Specification Type and Sulfur Content ppm used must be compliant with all applicable emission regulations for the area in which the engine is operated A Use of diesel fuel with sulfur content less than 0 10 1000 ppm is strongly recommended A If high sulfur fuel sulfur content 0 50 5000 ppm to 1...

Страница 23: ...25 77 SAE30 SAE10W 30 or 15W 40 0 to 25 32 to 77 SAE20 SAE10W 30 or 15W 40 Below 0 32 SAE10W SAE10W 30 or 15W 40 Fuel type Engine oil classification API classification Engines with non EGR Engines with internal EGR Engines with external EGR High Sulfur Fuel 0 05 500 ppm Sulfur Content 0 50 5000 ppm CF If the CF 4 CG 4 CH 4 or CI 4 engine oil is used with a high sulfur fuel change the engine oil at...

Страница 24: ...less than 0 10 1000 ppm is strongly recommended A If high sulfur fuel sulfur content 0 50 5000 ppm to 1 0 10000 ppm is used as a diesel fuel change the engine oil and oil filter at shorter intervals approximately half A DO NOT USE Fuels that have sulfur content greater than 1 0 10000 ppm A Diesel fuels specified to EN 590 or ASTM D975 are recommended A No 2 D is a distillate fuel of lower volatili...

Страница 25: ...Fill the fuel tank to the fullest extent Open the fuel filter lever 2 Open the air vent cock on top of the fuel injection pump 3 Turn the engine continue it for about 10 seconds then stop it or move the fuel feed pump lever by hand optional 4 Close the air vent cock on top of the fuel injection pump A Always keep the air vent cock on the fuel injection pump closed except when air is vented or it m...

Страница 26: ...nstalled plug them at both ends with clean cloth or paper to prevent dirt from entering Dirt in the pipes can cause fuel injection pump malfunction BCleaning the fuel filter pot Every 100 hours of operation clean the fuel filter in a clean place to prevent dust intrusion 1 Close the fuel filter lever 2 Remove the top cap and rinse the inside with diesel fuel 3 Take out the element and rinse it wit...

Страница 27: ...the engine and allow it to cool before conducting inspections maintenance or for a cleaning procedure A Contact with engine oil can damage your skin Put on gloves when using engine oil If you come in contact with engine oil wash it off immediately A Be sure to inspect the engine locating it on a level place If placed on gradients accurately oil quantity may not be measured BChecking oil level and ...

Страница 28: ...fter running the engine Allow engine to cool down sufficiently 1 Change oil after the initial 50 hours of operation and every 200 hours thereafter See table below A Changing interval thereafter 90 mm 3 54 in oil pan depth is optional Standard replacement interval A API classification above CF A Ambient temperature below 35 C 95 F 2 Remove the drain plug at the bottom of the engine and drain all th...

Страница 29: ...d check for oil leaks through the seal before checking the engine oil level Add oil if necessary A Wipe off any oil sticking to the machine completely RADIATOR Coolant will last for one day s work if filled all the way up before operation start Make it a rule to check the coolant level before every operation To avoid personal injury A Do not stop the engine suddenly stop it after about 5 minutes o...

Страница 30: ...one is at the crankcase side and the other is at the lower part of the radiator as figures below A If the radiator cap has to be removed follow the caution and securely retighten the cap A If coolant should be leak consult your local KUBOTA dealer A Make sure that muddy or sea water does not enter the radiator A Use clean fresh water and 50 anti freeze to fill the recovery tank A Do not refill rec...

Страница 31: ...Precaution at overheating The event that the coolant temperature is nearly or more than the boiling point is called OVERHEATING While running make the following checks to see that all parts are working correctly If anything is unusual inspect it referring to the relevant description in MAINTENANCE and PERIODIC SERVICE section C Coolant If the coolant temperature warning lamp lights up or if steam ...

Страница 32: ...xed cooling water flush the radiator with fresh water Repeat this procedure 2 or 3 times to clean up the radiator and engine block from inside 3 Mixing the LLC Premix 50 LLC with 50 clean soft water When mixing stir it up well and then fill into the radiator 4 The procedure for the mixing of water and anti freeze differs according to the make of the anti freeze Refer to SAE J1034 standard more spe...

Страница 33: ... the air cleaner element Overservicing may cause dirt to enter the engine causing premature wear Use the dust indicator as a guide on when to service BEvacuator valve Open the evacuator valve once a week under ordinary conditions or daily when used in a dusty place to get rid of large particles of dust and dirt BFor the air cleaner with a dust cup optional Remove and clean out the dust cup before ...

Страница 34: ...The battery comes in two types refillable and non refillable A For using the refillable type battery follow the instructions below Do not use or charge the battery if its fluid level stands below the LOWER lower limit level mark Otherwise the battery component parts may deteriorate earlier than expected which may shorten the battery s service life or cause an explosion Immediately add distilled wa...

Страница 35: ... to the battery start with the positive terminal first If reversed the contact of tools on the battery may cause a short BDirection for long term storage 1 When storing the engine for long periods of time remove the battery adjust the electrolyte to the proper level and store in a dry and dark place 2 The battery naturally discharges while it is stored Recharge it once a month in summer and every ...

Страница 36: ...nator mounting bolts and using a lever placed between the alternator and the engine block pull the alternator out until the deflection of the belt falls within acceptable limits 4 Replace fan belt if it is damaged A If belt is loosen or damaged and the fan is damaged it could result in overheats or insufficient charging Correct or replace belt Proper fan belt tension A deflection of between 7 to 9...

Страница 37: ... freeze when the temperature drops below 0 C 32 F it is very important that no water is left in the machine A When using anti freeze it is not necessary to take step 1 above 2 Remove dirty engine oil fill with new oil and run the engine for about 5 minutes to let the oil penetrate to all the parts 3 Check all the bolts and nuts and tighten if necessary 4 Remove the battery from the engine adjust t...

Страница 38: ...r of rings pistons and liners cause insufficient compression Replace with new parts Battery is discharged and the engine will not crank Charge battery In winter always remove battery from machine charge fully and keep indoors Install in machine at time of use Cause Countermeasures Compression is insufficient Leaking valves Bad valve and excessive wear of rings pistons and liners cause insufficient...

Страница 39: ...and the fuel system Unusual sound is heard suddenly Check all moving parts carefully Color of exhaust suddenly turns dark Check the fuel injection system especially the fuel injection nozzle Bearing parts are overheated Check the lubricating system Oil lamp lights up during operation Check the lubricating system Check if the engine bearing clearances are within factory specs Check the function of ...

Страница 40: ...2700 30 8 2700 Maximum bare speed rpm 3000 2900 Minimum bare idling speed rpm 750 to 850 Order of firing 1 2 3 Direction of rotation Counter clockwise viewed from flywheel side Injection pump Bosch Type mini pump Injection pressure 13 73 MPa 1991 psi 140 kgf cm Injection timing Before T D C 0 28 rad 16 25 0 30 rad 17 25 Compression ratio 22 8 22 0 24 3 Fuel Diesel Fuel No 2 D Lubricant API classif...

Страница 41: ... 2800 38 5 2800 Maximum bare speed rpm 3000 Minimum bare idling speed rpm 750 to 850 Order of firing 1 3 4 2 Direction of rotation Counter clockwise viewed from flywheel side Injection pump Bosch Type mini pump Injection pressure 13 73 MPa 1991 psi 140 kgf cm Injection timing Before T D C 0 30 rad 17 25 Compression ratio 22 8 22 0 Fuel Diesel Fuel No 2 D Lubricant API classification above CF Dimen...

Страница 42: ...are idling speed rpm 750 to 850 850 to 950 Order of firing 1 3 4 2 Direction of rotation Counter clockwise viewed from flywheel side Injection pump Bosch Type mini pump Injection pressure 13 73 MPa 1991 psi 140 kgf cm Injection timing Before T D C 0 30 rad 17 25 0 16 rad 9 25 Compression ratio 23 2 22 5 Fuel Diesel Fuel No 2 D Lubricant API classification above CF Dimension mm in length x width x ...

Страница 43: ...00 18 2 1800 24 4 1800 12 8 1500 17 2 1500 15 5 1500 20 8 1500 SAE NET Standby kW rpm H P SAEJ1349 HP rpm 18 1 1800 24 3 1800 21 8 1800 29 2 1800 15 0 1500 20 1 1500 18 1 1500 24 3 1500 Maximum bare speed rpm 1800 1500 Order of firing 1 2 3 1 3 4 2 Direction of rotation Counter clockwise viewed from flywheel side Injection pump Bosch Type mini pump Governor Electronic Governor Injection pressure M...

Страница 44: ...800 32 8 1800 20 2 1800 27 1 1800 20 4 1500 27 3 1500 17 2 1500 23 1 1500 SAE NET Standby kW rpm H P SAEJ1349 HP rpm 27 1 1800 36 3 1800 24 2 1800 32 4 1800 22 5 1500 30 2 1500 20 1 1500 26 9 1500 Maximum bare speed rpm 1800 1500 Order of firing 1 3 4 2 Direction of rotation Counter clockwise viewed from flywheel side Injection pump Bosch Type mini pump Governor Electronic Governor Injection press...

Страница 45: ...E NET Continuous kW rpm H P SAEJ1349 HP rpm 22 1 1800 29 6 1800 18 8 1500 25 2 1500 SAE NET Standby kW rpm H P SAEJ1349 HP rpm 26 5 1800 35 5 1800 22 0 1500 29 5 1500 Maximum bare speed rpm 1800 1500 Order of firing 1 3 4 2 Direction of rotation Counter clockwise viewed from flywheel side Injection pump Bosch Type mini pump Governor Electronic Governor Injection pressure Mpa kgf cm psi 13 73 140 1...

Страница 46: ...34 WIRING DIAGRAMS ENGLISH WIRING DIAGRAMS E book 34 ページ ２００９年４月２３日 木曜日 午前１０時３１分 ...

Страница 47: ...35 WIRING DIAGRAMS ENGLISH E book 35 ページ ２００９年４月２３日 木曜日 午前１０時３１分 ...

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