Yanmar EF312T Operator'S Manual Download

Page: 67 / 70

OPE_EF312T&352T_en.doc

1. Engine

(continued)

PROBLEM CAUSE

REMEDY

Engine overloaded

Reduce load or shift to lower gear.

Low coolant level

Fill coolant and check cooling system for
loose connections or leak.

Loose or defective fan belt

Adjust fan belt and replace if needed

Radiator screen or fins clogged

Clean radiator screen or fins.

Cooling system needs flushing

Flush cooling system.

Defective thermostat

Remove and check thermostat.

Engine overheats

Defective temperature gauge or
sender

See your YANMAR dealer.

Oil viscosity is too light

Use proper viscosity oil.

High oil consumption

Oil leaks

Check for leaks in lines, seals, drain plug
and around gaskets.

Improper type of fuel

Use proper fuel.

Engine emits white
smoke

Low engine temperature

Warm up engine to normal operating
temperature.

Improper type of fuel

Use proper fuel.

Engine overloaded

Reduce load or shift to lower gear.

Engine emits black or
gray smoke

Air cleaner clogged

Clean or replace air cleaner element.

Improper type of fuel

Use proper fuel.

Engine overloaded

Reduce load or shift to lower gear.

Air cleaner clogged

Clean or replace air cleaner and element.

Crankcase breather clogged

Clean breather pipe.

Radiator screen or fins clogged

Clean radiator screen or fins.

Improper implement mounted

Check required horsepower for
implement.

Tire pressure too low.

Inflate tires to proper pressure.

High fuel consumption

Clutch slipping.

Adjust clutch free travel or replace disk.

Unusual noise

Defective component parts

See your YANMAR dealer.

2. Electrical system

PROBLEM CAUSE

REMEDY

Loose or corroded connections

Clean and tighten connections.

Battery service life is ending

Check electrolyte level and specific
gravity and replace if necessary.

Loose or defective fan belt

Adjust belt tension or replace belt.

Battery not charged

Excessive engine idling

Allow engine to idle when necessary.

Low engine speed

Increase speed.

Defective battery

Check electrolyte level and specific
gravity and replace if necessary.

Charging indicator lamp
lights during operation

Loose or defective fan belt

Adjust belt tension or replace belt.

Engine oil pressure indicator
lamp lights

Low oil

Add oil.

Summary of Contents for EF312T

Page 1: ...OPE_EF312T 352T_en doc YANMAR DIESEL TRACTOR EF312T EF352T OPERATOR S MANUAL ...

Page 2: ...Driving on a slope 7 Driving in and out of fields 8 Setting adequate speed 9 Turning in a field 10 Differential gear lock 11 Loading and unloading 12 Adjusting wheel tread 13 Hydraulic power take off 14 Using 3 point hitch 15 Drawbar hitch 16 General precautions on attaching and detaching an implement 17 Power steering 18 Safety frame ROPS optional equipment 19 Tightening torque of bolts and nuts ...

Page 3: ...ou may have and to receive updates to this manual Maintenance When the machine is in abnormal condition take the remedies If the machine is still abnormal ask YANMAR dealer and give the following information Machine model Serial No Hour meter reading Detailed description of abnormal condition Supply Period For Maintenance Parts The period that we supply maintenance parts for this machine is 9 year...

Page 4: ...read the messages that follow 3 This machine is of metric design All hardware is therefore metric ISO Make sure you use the specified metric hardware when service becomes necessary 1 2 Signal Words The signal words DANGER WARNING CAUTION are used with the safety alert symbol 1 DANGER denotes the extreme hazard which would result in high probability of irreparable injury if proper precautions are n...

Page 5: ...e tractor Know the positions and functions of all controls and meaning of any identification symbols on your controls gauges and indicators before attempting to operate the tractor Know how to stop the engine in an emergency Know the capabilities operating characteristics and limitations of the tractor and implement such as maximum ballast weights hydraulic lifting capacity speed turning radius op...

Page 6: ...ly become wrapped in revolving parts Wear working clothing and working shoes or boots Also you may need SAFETY HELMET SAFETY SHOES SAFETY EYE PROTECTION HEAVY DUTY GLOVES HEARING PROTECTION REFLECTIVE CLOTHING OR RESPIRATOR FILTER MASK Wear whatever safety gear and clothing is necessary for the job Prolonged exposure to loud noise can cause impairment or loss of hearing Wear suitable hearing prote...

Page 7: ...ted 2 Check for bolts loosening lubricants damage or inflation pressure of tires safety shields and devices steering and braking linkages hydraulic leaks etc Refer to this manual for more detailed information 3 Implements are properly attached and hooked up Check that the PTO U joint yoke and locking devices are securely latched on shafts 4 Match implement PTO RPM rating to the tractor s STARTING ...

Page 8: ...king brake 6 Disengage PTO switch 7 Check all instruments gauges and indicator lights 8 Be sure everyone is clear of the tractor and implement DURING OPERATION OPERATE TRACTOR SAFELY Keep people and pets a safe distance away when starting and operating the tractor and implement Do not permit any person other than an operator to ride or board on tractor or implements including wagons Do not play ga...

Page 9: ...stand or allow anyone else to stand between the tractor and implement unless the engine is turned off and parking brake is engaged securely A too large implement is dangerous for tractor operation and for your safety refer to your implement operator s manual for minimum and maximum horsepower requirement and weight When using a heavy implement in front always install rear ballast or rear implement...

Page 10: ... shift to as low as possible and reduce engine speed to avoid overturning rearward Do not drive near the edge of a gully or steep embankment Avoid holes ditches etc which may cause tractor to tip especially on hillsides or steep slopes When operating on slopes or rough uneven ground it is important to have as wide a distance between wheels as possible Operate tractor carefully at the lowest speed ...

Page 11: ...s the wheels from turning the tractor will rotate up and backwards around the axle very quickly When caught in mired conditions do not remove implement or ballast weight and always back out STAY CLEAR OF PTO PTO master shield A should be in place at all times PTO shaft safety guard B should be installed when PTO system is not in use Make sure the tractor PTO speed is matched to the implement s req...

Page 12: ...r with a little braking Do not coast downhill Do not stop or start suddenly when going uphill or downhill When loading or unloading tractor onto vehicle use care as follows 1 Use adequate loading ramp on loading dock 2 Use lowest reverse speed when driving up loading ramp 3 Set parking brake and wheel blocks firmly under vehicle wheels 4 Do not try to drive onto trailer from ditch bank Secure load...

Page 13: ...her specified anchor location Provide only enough slack in chain to permit turning Do not tow tractor faster than its maximum travel speed in the highest gear and not more than 25 km h 16 mph Check local regulations for towing Towing is illegal in some countries AFTER OPERATION LEAVE TRACTOR SAFELY Keep tractor on a firm level surface when parking When parking the tractor couple brake pedals toget...

Page 14: ...ycle hydraulic controls to eliminate residual pressure MAINTENANCE AND SERVICE AVOID EXPLOSION OR FIRE Refuel tractor when engine is cool and in well ventilated area preferably outside Never fill the fuel tank with the engine running Be sure to use the correct type and grade of fuel Keep all sparks flames and smoking materials away while handling fuel Ground the fuel funnel or nozzle against the f...

Page 15: ...r excessive grease Let engine cool down before storing tractor in any enclosure or covering it with sheet Do not service tractor while it is in motion or while engine is running When servicing tractor always set parking brake block wheels lower implement release all hydraulic pressure and place all controls in neutral Use correct tools and equipments Unauthorized modification to tractor may impair...

Page 16: ...in causing serious injury Before disconnecting lines be sure to relieve all pressure Before applying pressure be sure all connections are tight and all components are in good condition Fluid escaping from very small hole can be almost invisible Wear safety goggles for eye protection and use a piece of cardboard to check for suspected leaks Do not use your hands If injured by escaping fluid see a d...

Page 17: ...ush your skin with water and apply baking soda or lime to neutralize acid then get medical attention immediately If acid is swallowed get medical attention immediately STORAGE Whenever tractor will not be used for a few months use following safety precautions 1 Drain fuel tank 2 Lower implement 3 Set parking brake and block wheels 4 Remove battery and store in cool dry place and keep out of reach ...

Page 18: ...me and serial number C 3 Hour meter D reading or estimated hours of operation Turn on key switch to read hour meter 4 Operating conditions Kind of work and implement used when a problem is happened 5 Any other information when a trouble is occurred Noise vibration function etc Availability of spare parts Maintenance parts or spare parts are available for 10 years after the production of this tract...

Page 19: ...TOR OUTLINE 1 2 3 4 5 6 7 Head light Side light Muffler tail pipe Fuel refill port Operator s seat Turn signal lamp Sub step 8 9 10 11 12 13 Bonnet Side cover Front tire Rear tire Lower link 3 P ROPS Safety frame optional equipment ...

Page 20: ...r lever 7 PTO shift lever 8 Brake pedal 9 Parking brake lever 10 Clutch pedal 11 Differential lock lever 12 Position control lever 13 Lever stopper 14 Stop slow return valve 15 Head light switch 16 Horn button 17 Flasher switch 18 Side light switch 19 Seat adjust lever 20 Brake pedal connector 21 Front wheel drive lever 22 Seat belt option ...

Page 21: ...t lamp LABEL LOCATIONS Keep the safety instructions labels clean and clearly visible for your safety If any of them are damaged or missing replace them with new ones Label Model not for sale 1 198122 65730 Caution label 1 pc 2 198163 65350 Danger label 1 pc 3 198163 65953 Caution label 2 pcs 4 198163 65940 Caution label 2 pcs 5 1A6150 91251 Fuel label 1pc 6 1A6150 93151 PTO cover label 1 pc 7 1981...

Page 22: ...e shift lever is at neutral Release the key when the engine starts and the key returns to the ON position automatically 6 Engine oil pressure lamp 5 Battery charge lamp Accelerator lever The accelerator lever A is used to increase or decrease the engine speed or keep the engine at a constant speed A Accelerator lever SL Slower engine speed FA Faster engine speed Accelerator pedal The accelerator p...

Page 23: ...side from 4 main gear shifts B Range shift lever 2 High Speed range 1 Low speed range N Neutral IMPORTANT Be sure tractor stops when shifting Do not change Range shift lever while moving Reverser lever Reverser lever changes the direction of travel of the tractor forward or reverse Depress the clutch pedal and stop tractor whenever shift the lever Lift up the lever to put it in a required position...

Page 24: ...ct both pedals with the connector To avoid unnecessary wear of brake discs do not rest foot on the brake pedal during operation A Brake pedals B Brake pedal connector WARNING Be sure connect the both brake pedals with the connector when driving on a load Tractor may turn over by one sided braking in high speed Parking brake lever To apply parking brake Connect brake pedals depress brake pedals and...

Page 25: ...spins and the other does not rotate depress the pedal to lock the differential gear for escaping To unlock differential release the depressed pedal IMPORTANT When differential gear is locked drive tractor slow speed and keep going straight Never steer tractor while depressing the pedal WARNING Never fail to unlock the differential gear after escaping from the place Otherwise you can not make an in...

Page 26: ...aulic stop and slow return valve Used to control the lowering speed of implement A Hydraulic stop and slow return valve OP Open the valve and fast lowering of implement CL Slow lowering of implement and it stops hydraulic flow when turned fully IMPORTANT When driving on a road with rear hitched implement open the hydraulic stop and slow return valve and fix the hydraulic control lever in raise pos...

Page 27: ...ight switch clockwise to turn on head lights B Light switch OFF Headlights turn off LB Headlights turn on with low beam HB Headlights turn on with high beam CAUTION When there is an oncoming vehicle in night time be sure to switch to low beam position If keep on high beam it may cause traffic accident Horn button Horn functions when key switch turns on Push horn button to blow horn C Horn button S...

Page 28: ... It also indicates PTO speed 540rpm 4 Hour meter It shows operating hour of the engine It shows when key switch is in ON position Actual working hour may be different from the meter amount due to engine speed at working 5 Battery charge pilot lamp This lamp lights when the key switch is in ON position The charge lamp turns off when engine starts If the lamp does not turn off at 1500rpm engine spee...

Page 29: ...ition in 5 steps to and fro Raise the lever and slide the seat forward or backward to desired position Lower the lever to latch the seat A Seat adjust lever Opening bonnet 1 Raise the lever to open bonnet B Bonnet open lever 2 Raise the bonnet and hold it with bonnet stay C Bonnet stay ...

Page 30: ... around the tractor Otherwise the tractor can cause an unexpected accident 2 Whenever servicing under rear hitched implement close hydraulic stop and slow return valve A and place lock device or support to the implement Otherwise the implement may fall down incidentally and it can cause injuries CAUTION 1 Never fail to stop the engine before checks or maintenance If not you may be trapped in a rot...

Page 31: ...s Air inflation pressure and wear of tires Loosened or lost bolts and nuts of the tire rims and disks 3 Check inside the bonnet Engine oil level and leaks Fuel oil amount leak and damages on fuel lines Engine coolant level leaks and damage on lines Level of battery liquid This battery does not need additional replenishment of battery solution It is normal when the color indicated by the hydrometer...

Page 32: ...nd engine room for dust Hydraulic joint and lines for damages and loose connection Check electrical wirings for wear or damages of lead sheaths and loose connections 4 Check operating system Play of brake pedals Brake pedals must have reasonable play A and plays of both right and left brake pedals must be equal 30 40mm ...

Page 33: ... play A 20 50mm 5 Check hitched implement PTO Drive shaft lock pin must be in groove of PTO output and input shafts Pins must be inserted in proper positions Loosened bolts and nuts Damaged or worn parts Connection of 3 point linkage 6 Start the engine and check Abnormal sound or noise Color and smell of exhaust gas Function of each lamp gauge and meter ...

Page 34: ...fter 50 hours of break in period 3 Before starting WARNING 1 Before starting the engine sit on the operator s seat and make sure all levers and controls are within the reach for safe operation Negligence will cause a serious injury 2 Do not run engine in a closed room Run the engine in well ventilated area If you are forced to start the engine in a confined room make sure the ventilation is proper...

Page 35: ...he implement is lowered 4 Pull accelerator lever to higher speed position FA 5 Insert key and turn it to ON position Check pilot lamps on meter panel 5 Battery charge pilot lamp is on 6 Engine oil pressure pilot lamp is on 7 Reverser lever neutral lamp is on 6 Turn key switch to START position 7 As engine starts immediately release key switch and it goes back to ON position automatically When engi...

Page 36: ...pedals are connected by connector 2 Set engine speed about 1500 rpm A Brake pedals B Connector 3 Move position control lever backward and raise rear hitched implement A Position control lever UP Raise rear hitch implement 4 Depress clutch pedal fully and shift main shift lever and range shift lever to desired speed A Main shift lever B Range shift lever 5 Shift reverser lever to forward or reverse...

Page 37: ...ops IMPORTANT Never shift main range and reverser lever while tractor is moving If not it may cause breakage of transmission inner gear Stop tractor 1 Push accelerator lever forward to reduce speed 2 Depress clutch pedal and brake pedals at the same time 3 Shift range shift reverser and PTO shift levers to N position 4 Make sure brake pedals are connected with connector and apply parking brake loc...

Page 38: ...hydraulic stop and slow return valve fully A Hydraulic stop and slow return valve OP Open valve 4 Move position control lever up and lock it with stopper CAUTION Make sure that position control lever is held when traveling on a road If not hand may touch position control lever incidentally and implement would go down It may cause an accident and injury A Brake pedals B Connector D PTO shift lever ...

Page 39: ...o a slop 2 Travel slowly on a slope 3 Apply engine brake on a down slope 7 Driving in and out of a field WARNING 1 Be sure to connect left and right brake pedals with connector One sided brake results in causing a roll over 2 In case field ridge is high use a gangplank with sufficient strength Lower an implement and go through ridge in slow speed 3 If a way to field is steep slop go up with a reve...

Page 40: ...king a turn Otherwise tractor can not turn and an accident will result 2 Never depress differential lock pedal while traveling on a road If you depress the pedal you could not steer and may cause an accident and injury Differential gear lock system is effective when one side rear wheel is locked and the other tire slips When differential gear is locked right and left rear axle rotate as if both ax...

Page 41: ...tractor for loading into truck go forward for unloading Shift gear to slow speed 3 Tie tractor firmly to truck with a rope of sufficient strength 1 Loading truck preparation Park the truck on a flat and leveled place where is wide enough and no traffic expected Stop truck engine and apply the parking brake Block wheels of the truck 2 Loading Latch right and left brake pedals with connector Shift g...

Page 42: ... the hydraulic outlet plug A on right side of control valve and connect hydraulic hose from cylinder of implement Operation 1 Set the position control lever in the lower position 2 Fasten the hydraulic stop slow return valve B at fully clockwise position 3 Operate the position control lever to move the implement A Hydraulic outlet single action B Hydraulic stop slow return valve C Hydraulic outlet...

Page 43: ...fer to the instruction of implement Standard 3 P 2 5 Special 3 P Never use the combination of hole 2 and hole 3 Check chain Check chain adjustment 1 For implements such as a plough harrow and subsoil plow adjust check chains so as an implement could be swung about 5 cm Make sure that lower ling does not hit tire 2 For implements such as a rotary tiller and mower adjust check chains so as implement...

Page 44: ...Attaching an implement results in a considerable longer overall length Pay attention to bystanders or constructions nearby when driving tractor 6 Never place objects on the tractor or try to use your own body as counterbalance the tractor Use only authorized genuine balance weight or implement 7 Maximum counter weight on front bracket and rear wheel is Front bracket 150 kgs Rear wheel weight 100kg...

Page 45: ...fety frame Optional equipment 18 Safety frame ROPS Optional equipment The safety frame ROPS Roll Over Protect Structure is designed to protect operator from an accident such overturn It is suggested to install safety frame for safety operation Please contact Yanmar tractor dealer nearby WARNING 1 Do not modify the safety frame Safety factor can be lost 2 Be sure the safety frame is installed and t...

Page 46: ...he bonnet stand works properly A Bonnet lever Closing 1 Lift the bonnet a little and pull bonnet stand forward Lower bonnet a click sound comes 2 Make sure the bonnet is locked securely after closing the bonnet B Bonnet stand Side covers Opening 1 Open the bonnet 2 Pull upper part of side cover sideway and pull up side cover Closing Follow reverse sequence of opening procedure C Side cover ...

Page 47: ...ire or rat biting may cause electric leakage and may start a fire When storing for a long time take following procedures 1 Turn off all switches and remove the main switch key 2 Place the tractor in a well ventilated place and remove counterbalance weights or other implements 3 Coat exposed metallic parts with anti rusting oils engine oils or greases 4 Fill up the fuel tank with fuel Otherwise moi...

Page 48: ...flywheel Tractor may start unintentionally when start engine and may cause injury A Clutch pedal B Clutch pedal lock 8 Put blocks or stands under tractor to take weight off tires Protect tires from heat and sunlight 9 Inflate the front and rear tires with air to the normal pressure Size ply number kg cm2 kPa Front tire 7 14 4 1 8 180 Rear tire 11 2 24 4 1 2 120 ...

Page 49: ...ssion oil filter Replace Replace Replace Fuel filter Replace Replace Water separator strainer Drain Drain Drain Drain Drain Clean Drain Drain Drain Drain Drain Clean Radiator fin Clean Clean Clean Clean Clean Clean Clean Clean Clean Clean Clean Clean Cooling water Replace Check before every work Replacing every year Front axle oil Replace x x x x Replace x x x x x Replace Air cleaner element x x x...

Page 50: ...ion oil All capacities are approximate 4 Equivalent oil to transmission fluid TF500A Supplier Brand name Mobil Mobil Fluid 425 Castrol Agricastrol MP John Deere J14A J20B ESSO Torque Fluid 56 Shell Shell Tellus Oil 32 or 37 Oil must not be mixed with other brand 5 Fuel sytem 5 1 Fuel WARNING 1 Use diesel fuel only 2 Do not refill when engine is hot 3 Keep away sparks flames and cigarettes while ha...

Page 51: ...D Drain cock E Retaining ring a Open b Close WS Water separator 1 Turn the fuel cock to close position 2 Loosen the drain cock on the bottom of the water separator and drain water Do not remove drain cock 3 If water is dirty loosen retaining ring and remove the bawl Clean inside of bawl and strainer 4 Tighten drain cock or reinstall the removed bawl strainer to the original position 5 Open fuel co...

Page 52: ...r dispose of oil in rivers field or place that contaminate nature Have the oil handled by professionals A Dipstick B Oil supply port A Dipstick a Upper limit b Lower limit c Specified level zone Replacing oil Remove drain plug on the bottom of engine crankcase Refill new oil through the oil supply port Select a proper type of engine oil and replace it periodically Model Capacity Type EF312T 4 7 li...

Page 53: ...rand Equivalent oil Supplier Brand name Mobil Mobil Fluid 425 Castrol Agricastrol MP John Deere J14A J20B ESSO Torque Fluid 56 Shell Shell Tellus Oil 32 or 37 IMPORTANT When you install drain plug pay attention not to break screw tread of transmission case Transmission case is made of aluminum Case itself has enough strength for normal works but if you put a bolt improperly screw tread is sometime...

Page 54: ...an inclined place oil level is not correct 2 Never grip and remove metal part on the top of dipstick The metal part is a breather and could be removed if you pull it up If you lost the metal part water gets into front axle case and it damages inner parts A Dipstick Replacing oil Drain plugs of front axle case are located on lower part of front axle gear case both right and left individually Remove...

Page 55: ...diator with clean water It is recommended to mix anticorrosive Run the engine for about 5 minutes in idle speed to mix water and anticorrosive CD Coolant drain plug IMPORTANT The mixing ratio of anticorrosive varies depend on manufacturer Follow the instruction of its manufacturer 8 Bleeding fuel lines of air If the engine stops due to lack of fuel or if the fuel strainer element or fuel piping ha...

Page 56: ... cleaner element every 50 hours or earlier and replace it every 400 hours or earlier For operation in a normal condition clean it every 100 hours and replace it every 1000 hours or every year Lift the front end part of air cleaner 2 Open the cap and take out the outer element Tap dust out of the outer element If much dust on the element blow air from inside of the element Be careful not to damage ...

Page 57: ...ble To install battery connect the positive cable first and connect ground negative cable WARNING Sulfuric acid in battery electrolyte is injurious and poisonous It is strong enough to burn skin eat holes in clothing and cause blindness if it is splashed into eyes To avoid the hazards 1 Filling battery in a well ventilated area 2 Wearing eye protection and rubber gloves 3 Avoiding breathing fumes ...

Page 58: ...emoving and installing battery Remove 1 Open the bonnet 2 Disconnect the negative ground cable from the battery and disconnect the positive cable 3 Loosen fixing nuts and remove the battery Installation 1 Connect positive cable and negative cable 2 Tighten fixing nut A Negative ground cable B Positive cable E Fixing nuts IMPORTANT 1 When connecting the battery cables wipe oil away from the termina...

Page 59: ...the battery to the tractor 12 Checking pipes and hoses Check fuel pipes hydraulic power steering pipes and radiator hoses for leak and loose connections It is recommended to replace such parts every two years DANGER Aged or damaged pipes leak fuel or hydraulic oil and it may cause a fire If a leak is found replace the pipe with new one A Fuel pipe B Radiator hose C Radiator hose 13 Checking electr...

Page 60: ...normally every 50 hours Apply grease after every day s work when you work in wet paddy field 1 Tie rod end Tie rod end Left Right 2 Power steering rod Power steering rod Left Right 3 Center pin support Center pin support Front Rear 4 Brake pedal shaft Brake pedal shaft Left Right 5 Lift arm shaft Lift arm shaft Left Right ...

Page 61: ... nut IMPORTANT Make sure parking brake can be applied firmly A Brake pedal BL Brake rod left BR Brake rod right Ln Lock nut 16 Adjusting clutch pedal Push down the clutch pedal and check the free play The specified free play of clutch pedal is 15 25 mm IMPORTANT Do not rest foot on clutch pedal while operating It may cause premature wearing of clutch disc A Clutch pedal Adjustment 1 Loosen lock nu...

Page 62: ...gine is sufficiently cooled down Otherwise you may be burned Check Press the fan belt with a finger at the midpoint and see the belt deflections The specified deflection is 10 15 mm Adjustment 1 Open the bonnet and pull upper part of the left side cover and remove it 2 Loosen generator bolt belt adjuster bolt and generator nut 3 Move generator to stretch the belt tight Tighten generator bolt and s...

Page 63: ...tment 1 Lift up front wheel slightly It is not necessary that front tires are floating 2 Loosen the lock nuts left and right 3 Turn tie rod to adjust the front wheel tread and measure front side and rear side of wheel tread 4 When the toe in is specified amount tighten the lock nuts Tr Tie rod Ln Lock nut right and left 20 Replacing fuse 20 1 Fuse box The fuse box is located at left side of dashbo...

Page 64: ... is loosened It may cause injury if a tire is taken off while operating A Excessive B Standard C Insufficient Checking tires Adjust the inflation pressures of the front and rear tires to the standard pressure Also check for any crack or faults on the tires Standard inflation pressure of tire Tire size ply Pressure Kpa kgf cm2 Front 7 14 4 180 1 8 Rear 11 2 24 4 120 1 2 EF312T EF352T Hub bolt and n...

Page 65: ...fter engine starts and it is gray or no color during operation Black Incomplete combustion due to dense fuel White Engine oil is burning Normal exhaust may look white at extremely low temperature If exhaust gas is black or white without a load on the tractor consult with your service dealer ...

Page 66: ... fuel tank cap clogged Clean cap in solvent and blow dry Fuel filter clogged Clean or replace fuel filter Water dirt or air in fuel system Drain flush bleed fuel system Dirty or faulty injection nozzles See your YANMAR dealer Improper type of fuel Use proper fuel Engine solenoid linkage out of adjustment See your YANMAR dealer Engine runs irregularly or stalls frequently Insufficient oil Add oil L...

Page 67: ...ment Improper type of fuel Use proper fuel Engine overloaded Reduce load or shift to lower gear Air cleaner clogged Clean or replace air cleaner and element Crankcase breather clogged Clean breather pipe Radiator screen or fins clogged Clean radiator screen or fins Improper implement mounted Check required horsepower for implement Tire pressure too low Inflate tires to proper pressure High fuel co...

Page 68: ... adjust drop speed System drops too fast Improper oil Use oil with proper viscosity Incorrect oil viscosity Drain and fill oil with proper viscosity Low oil level Fill to proper oil level Dirty oil Drain and fill clean oil Keeping steering wheel at the end Release steering wheel System overheating Control lever not returned to neutral position when using implement Return lever to neutral position ...

Page 69: ...20 Front 7 14 7 14 Tire size Rear 11 2 24 11 2 24 Steering Hydrostatic power steering Brake Wet multi disc type Clutch Dry single No of shifting gears 8 forward and 8 reverse constant sliding mesh Reverser Synchro mesh Forward km hr 1 29 22 5 1 34 23 4 Transmission Travel speed Reverse km hr 1 26 22 1 1 31 23 0 Turning radius m 2 2 Gear 1 540 rpm 560 rpm PTO Gear 2 785 rpm 815 rpm Type Position co...

Page 70: ...OPE_EF312T 352T_en doc 1 32 Chayamachi Kita ku OSAKA 530 8321 JAPAN TeL 06 6376 6336 8 Fax 06 6373 9474 Revised April 2007 PRINTED IN JAPAN ...

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Yanmar EF312T, Operator'S Manual

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