LS tractor L4CRTV4 Operator's Manual
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LS tractor L4CRTV4 Operator's Manual

LS tractor L4CRTV4 Operator's Manual

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OPERATOR'S MANUAL
L4CRTV4/L3CRTV4/L3CRTV3
(INDUSTRIAL)

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  • Page 1 OPERATOR'S MANUAL L4CRTV4/L3CRTV4/L3CRTV3 (INDUSTRIAL)
  • Page 2 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 This page intentionally left blank.
  • Page 3 OPERATOR'S MANUAL STAGE V CRDI DIESEL ENGINE MODEL : L4CRTV4/L3CRTV4/L3CRTV3 (INDUSTRIAL)
  • Page 4 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 Introduction We would like to thank you for choosing LS Engine. Please read contents carefully of this manual before operating and maintaining the engine. Compliance with the instructions provided in the manual is the best way to guarantee trouble term operation of the engine.

  • Page 5: Proposition 65 Warning

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL CALIFORNIA PROPOSITION 65 WARNING WARNING : Breathing diesel engine exhaust exposes you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.  Always start and operate the engine in a well-ventilated area.

  • Page 6: Your Warranty Rights And Obligations

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 FEDERAL and CALIFORNIA EMISSION CONTROL SYSTEM WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board (CARB), U.S. Environmental Protection Agency (EPA), and LS Mtron Ltd. (LS Mtron) are pleased to explain the emission control system warranty on your 2022 model year engine.

  • Page 7: Owner's Warranty Responsibilities

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL Any warranted part which is scheduled only for regular inspection in the written instructions shall be warranted for the warranty period defined above, provided that there has been no abuse, neglect or improper maintenance or usage of your engine. A statement in the written instructions to the effect of "repair or replace as necessary"...
  • Page 8 Limited Emission Control Systems Warranty, you should contact LS Mtron at the address below for assistance. If you need additional assistance or information concerning the Limited Emission Control System Warranty, contact: 2. LS tractor USA LLC Ricky 1. LS Mtron Ltd. 886, Gwahak-Ro, Bongdong-Eup...
  • Page 9 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL What is not covered by the Limited Emission Control System Warranty This warranty does not cover: 1. Malfunctions in any part caused by any of the following: misuse, abuse, improper adjustments, modifications, alteration, tampering, disconnection, improper or inadequate maintenance, or use of fuels not recommended for the engine as described in the Maintenance Manual.
  • Page 10 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 What is covered by the Limited Emission Control System Warranty The following is a list of systems and parts that are considered a part of the Emission Control System and are covered by the Limited Emission Control System Warranty for engines which...

  • Page 11: Table Of Contents

    TABLE OF CONTENTS 3.4 FUEL ..............40 1. GENERAL INFORMATION ......14 3.4.1 FUEL ............. 40 1.1 ASSURANCE ............ 14 3.4.2 USING DIESEL FOR WINTER ..... 40 1.2 GENUINE PARTS ..........14 3.4.3 CHECKING FUEL LEVEL AND FILLING 1.3 RESPONDINILITY ..........14 THE TANK ...........
  • Page 12 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 This page intentionally left blank.

  • Page 13: General Information

    GENERal INFORmaTION...

  • Page 14: Assurance

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1.GENERAL INFORMATION 1.1 ASSURANCE To ensure the best performance of your engine and to obtain an LS warranty, you must carefully follow the instructions provided in this manual. Otherwise, the warranty may be invalidated. 1.2 GENUINE PARTS Only genuine parts must be used, otherwise the life of the product may be shortened and the risk of safety accident may occur.

  • Page 15: Safety Caution

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 1.4 SAFETY CAUTION 1.4.1 FIRE AND EXPLOSINS Warning KEEP FLAMES AWAY Do not use flames near the engine (in the engine room). Spilled fuel, oil and LLC may ignite and cause a fire. Wipe off spilled fuel, oil and LLC immediately and thoroughly. Spilled fuel, oil and LLC may ignite and cause a fire.

  • Page 16: Moving Parts

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1.4.2 STAY CLEAR OF ALL ROTATING AND MOVING PARTS Warning INSTALL PROTECTIVE COVERS IN ROTATING PARTS Make sure the protective covers for engine rotating parts are properly installed as intended. Repair loose or damaged protective covers as necessary. Never remove the covers guarding personnel from rotating parts, when the engine is operating.

  • Page 17: Be Careful Of Exhaust Fume

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 1.4.3 BE CAREFUL OF EXHAUST FUME POISONING Warning OPERATE ENGINE IN WELL-VENTILATED AREA Ensure that there is no exhaust gas leak from duct joints. Exhaust gas from the engine contains carbon monoxide and other harmful substances. Operating the engine in an ill-ventilated area can produce gas poisoning.

  • Page 18: Engine Oil, And Llc

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1.4.5 BE CAREFUL OF HANDLING FUEL, ENGINE OIL, AND LLC Warning USE ONLY SPECIFIED FUEL, ENGINE OIL AND LONG LIFE COOLANT(LLC) Use only the fuel, oil and LLC specified in this manual, and handle them carefully. Use of any other fuel, oil or LLC, or improper handling may cause various engine problems and malfunctions.

  • Page 19: Service Battery

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 1.4.7 SERVICE BATTERY CAUTION HANDLE THE BATTERY CORRECTLY • Never use flames or allow sparks to generate near the battery. The battery releases flammable hydrogen gas and oxygen gas. Any flames or sparks in the vicinity could cause an explosion.

  • Page 20: Other Cautions

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1.4.9 OTHER CAUTIONS CAUTION WEAR EAR PLUGS Always wear ear plugs when entering the machine room (engine room). Combustion sound and mechanical noise generated by the engine can cause hearing problems. MODIFICATION OF ENGINE PROHIBITED Unauthorized modification of the engine will void the manufacturer’s warranty. Modification of the engine may not only cause engine damage but also produce personal injuries.

  • Page 21: Avoidance Of Prolonged Time Of Starter Operation

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL CONDUCT PROPER MAINTENANCE OF AIR CLEANER OR PRE-CLEANER The major cause of abnormal wear on engine parts is dust from intake air. Worn parts result in an increase of oil consumption, decrease of output, and starting difficulties. Maintain the air filter or pre-filter as described below to ensure optimum air filtering performance.

  • Page 22: External Structure

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1.5 EXTERNAL STRUCTURE L4CRTV4 ENGINE 1. Cooling fan pulley 2. Gear case (FR) 3. Oil pan 4. Exhaust Connector 5. Alternator 6. Cam position sensor...
  • Page 23 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 1. EGR Passage pipe 2. Flywheel 3. Flywheel housing 1. Water pump(Outlet) 2. Turbocharger 3. EGR cooler 4. Oil cooler 5. Oil filter 6. Exhaust manifold...
  • Page 24 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1. Intake manifold 2. Oil inlet 3. Knock sensor 4. High-pressure pump 5. Starter 6. Water pump (Inlet) 7. Main fuel filter 1. EGR valve 2. Common rail 3. Injector 4. Engine decal attached site 5. ACV...
  • Page 25 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL L3CRTV4 ENGINE 4. ACV 1. Cooling fan pulley 2. Gear case (FR) 3. Oil pan 5. Alternator 6. Cam position sensor...
  • Page 26 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1. EGR Passage pipe 2. Flywheel 3. Flywheel housing 1. Thermostat cover 2. Turbocharger 3. EGR cooler 4. Oil cooler 5. Oil filter 6. Exhaust manifold...
  • Page 27 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 1. Intake manifold 2. Oil inlet 3. Knock sensor 4. High-pressure pump 5. Starter 6. Water pump (Inlet) 7. Main fuel filter 1. EGR valve 2. Common rail 3. Injector 4. Engine decal attached site 5. ACV...

  • Page 28: Main Specification

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 1.6 MAIN SPECIFICATION L4CRTV4 L3CRTV4 ENGINE FAMILY ENGINE MODEL L4CRV-T6 L4CRV-T3 L3CRV-T2 Max. Power (kW/rpm) 42 / 2,300 47 / 2,500 37 / 2,600 Performance Max. RPM under no load 2450 ± 3% 2650 ± 3% 2750 ± 3% Min.
  • Page 29 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL Lubrication system Forced circulation (pressure feed by oil pump) Specification SAE 5W-40 (CJ4 API GRADE(Low ash oil)) Engine oil Lubrication 6.5L 5.9L Capacity system Oil pump Type Trochoid (Rotary type) Oil filter Catridge type (Paper element) Cooling method...

  • Page 30: Operation

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 2. OPERATION 2.1 PRELIMINARY CHECK  Appearance check - Is there any damage while transporting?  Engine cooling system check - Is there anti-freeze solution in the radiator? And any leakage?  Fuel system check - Is there any leakage of fuel in the fuel system? ...

  • Page 31: Notice When Operating

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 2.3 NOTICE WHEN OPERATING - Do not leave the engine running at idle speed for long. The fuel consumption is increased and the carbon is deposited internally of the engine - The engine load should be increased gradually after approximately one minute from start-up.

  • Page 32: Intake / Exhaust Circuit

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 2.3.4 INTAKE / EXHUAST CIRCUIT Check and clean regularly the intake/exhaust circuit. The maintenance period in this manual may vary depending on the operating conditions. Check and clean more often especially in dusty environments than the specified period.
  • Page 33 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL  The indicators related to the DPF regeneration have several illumination figures and its meanings as follows. Read carefully and keep in mind the instructions well. Symptom & Indicators figures Possible cause Remarks Actions 1. DPF Continuous ON...
  • Page 34 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 ② Regeneration mode  In this mode, the operator does not have to take any actions, the system is activated automatically by the engine control unit. NOTE : The regeneration is the normal operating mode.  The regeneration will be activated by ECU ;...
  • Page 35 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL ③ Inhibited regeneration mode NOTICE : Only use this mode when regeneration needs to be delayed or stopped because of an operation condition that may risk a fire hazard due to high exhaust temperatures during regeneration. NOTE : Even if the DPF regeneration indicator(1) is ON during the regeneration process, the inhibited regeneration mode can be set.

  • Page 36: Electrical Circuit

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 2.3.6 ELECTRICAL CIRCUIT Check the battery's charge regularly, especially in winter. If necessary to change the battery, refer to section "3-8 Battery". 2.3.7 HANDLING TURBOCHARGER  Before accelerating or working the vehicle fitted with the turbocharger, allow the engine to idle for about 1 minute to ensure that the turbocharger is correctly lubricated.

  • Page 37: Maintenance

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.MAINTENANCE 3.1 GENERAL INFORMATION  Adequate lubrication and maintenance on a regular schedule are vital to maintaining your equipment. To ensure long and efficient operation, follow the lubrication and maintenance schedules outlined in this manual. The use of proper fuels, oils, grease and filters, as well as keeping the systems clean, will also extend vehicle and component life.

  • Page 38: Periodic Engine

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.2 PERIODIC ENGINE In order to utilize optimum performance of the engine and comply with emissions regulations, it is necessary to perform inspection, cleaning and replacement of parts according to the following periodic maintenance schedule. Full performance of the engine and compliance with emissions regulations are guaranteed if periodic service, cleaning and replacement are performed according to the specified maintenance schedule.

  • Page 39: Capacity Of Lubricant And Coolant

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.3 CAPACITY OF LUBRICANT AND COOLANT INTERNATIONAL RECOMMENDED LUBRICANTS CAPACITY STANDARD ITEMS L4CRTV4 : 4.5 ℓ (only engine without radiator) Soft water (50%)+ L3CRTV4 / Engine coolant ASTM D6210 Anti-freeze (50%) L3CRTV3 : 4.0 ℓ (only engine without radiator)

  • Page 40: Fuel

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.4 FUEL 3.4.1 FUEL  If contaminants like water or dusts are mixed in the fuel, it may cause a severe damage to the Drum engine. The fuel storage facility must be Impurities equipped as shown in the right figure.

  • Page 41: Drain Water From Fuel Filter

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.4.4 DRAIN WATER FROM FUEL FILTER 1. Loosen the drain plug and drain water inside of the filter. (Approx. 150cc(9.1 in³)) 2. Tighten the drain plug and bleed the air from the fuel filter. (See page 5-43) Pre fuel filter...

  • Page 42: Replacing Element Of Pre Fuel

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.4.5 REPLACING ELEMENT OF PRE FUEL FILTER 1. Check that there is no flame when handing fuel 2. Wipe off any spilled fuel. This can cause fire. WARNING 1. Clear the fuel filter and its surroundings. 2. Disconnect the fuel filter water-in-fuel sensor from its connector.

  • Page 43: Filter

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.4.6 REPLACING CARTRIDGE OF MAIN FUEL FILTER 1. Check that there is no flame when handing fuel 2. Wipe off any spilled fuel. This can cause fire. WARNING 1. Clear the fuel filter and its surroundings. 2. Prepare the fuel plate and place it under the fuel filter.

  • Page 44: Filter

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.4.7 AIR-BLEEDING FROM FUEL SYSTEM  Air in the fuel system may cause weak injection or a failure of the engine start or stop. To prevent such a failure, bleed the air from the fuel system. 1. Fuel pipe 2.

  • Page 45: Pipe

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL ▶ Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the key switch off when changing fuel filters or Warning water separator elements. Clean up fuel spills immediately.

  • Page 46: Biodiesel Fuel

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.4.9 BIODIESEL FUEL Fatty Acid Methyl Ester Biodiesel (Biodiesel Fuel) consists of a family of fuels derived from vegetable oils treated with methyl esters. NOTICE: Biodiesel Fuel blends are approved for your engine only if they comply with EN14214 Specification Standards or ASTM D6751.
  • Page 47 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL When handling Biodiesel Fuel, care must be taken not to allow water into the fuel supply. Biodiesel Fuel will actually attract moisture from the atmosphere. Fuel tanks must be kept as full as possible to limit the amount of air and water vapors in them. It may be necessary to drain the fuel filter water tap more frequently.

  • Page 48: Engine Oil

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.5 ENGINE OIL 3.5.1 OIL SPECIFICATION AND CAPACITY: See chapter 3-3, “Capacity of Lubricants and Coolant” Oil gauge Oil filling inlet 3.5.2 CHECKING ENGINE OIL LEVEL - Check and add the engine oil every 100 hours of operation.

  • Page 49: Replacing Engine Oil And Filter

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.5.3 REPLACING ENGINE OIL AND FILTER Oil filling inlet ① Drain Engine oil  Run the engine for a few minutes to warm oil.  Park the vehicle on a level surface.  Remove both LH and RH drain plugs of oil pan and drain the oil completely.

  • Page 50: Engine Coolant

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.6 ENGINE COOLANT 3.6.1 REPLACEMENT OF ENGINE COOLANT ① Check Radiator cap  Stop the engine and allow the engine to cool down. Loosen the radiator cap slowly in order to relieve any pressure. Remove the radiator cap.
  • Page 51 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL ② Drain  Stop the engine and allow the engine to cool down. Loosen the radiator cap slowly in order to relieve any pressure. Remove the radiator cap.  Set a suitable clean container under radiator drain cock and drain plug on the engine.
  • Page 52 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 ④ Fill  Close the drain cock and install the drain plug on the engine and radiator.  Fill the cooling system with the designated coolant. Do not install the radiator cap. For coolant specification and capacity, see chapter 3-3, “Capacity of Lubricants and Coolant” or the last page in this manual.

  • Page 53: Air Cleaner (Dry Type)

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.7 AIR CLEANER (DRY TYPE) Safety filter Primary element element ① Cleaning filter element  Remove the cover and pull the primary element straight out, ensuring the safety filter element remains in place.  When cleaning the element in the working field, tap the element by hand to remove the dust.

  • Page 54: Replacing Air Cleaner Element

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.8 REPLACING AIR CLEANER ELEMENT (DRY TYPE)  Remove the cover and pull the primary element Safety filter Primary element straight out, ensuring the safety filter element element remains in place.  Clean the inside of the air cleaner housing using a clean damp cloth, being careful not to damage the safety element.

  • Page 55: Battery

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.9 BATTERY ※ Battery fluid (Electrolyte) is a solution of water and sulfuric acid. It makes poisonous gas which is very harmful to eyes, skin and clothing. And also this gas is explosive. Read the following instructions thoroughly before handling the battery.

  • Page 56: Notices In Attaching/Detaching

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.9.2 NOTICES IN ATTACHING/DETACHING THE BATTERY  When detaching battery, remove the negative(-) terminal from the battery first. If not, when metal object is contacted between positive(+) terminal and the body, it may cause the dangerous spark. < When detaching >...

  • Page 57: Using Separate Charger

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.9.3 NOTICES IN CHARGING THE BATTERY USING SEPARATE CHARGER  As the battery fluid makes poisonous gas which can explode during the charging, comply with the following instructions. 1. Detach battery from the vehicle. 2. Wait until the battery is warmed to room temperature.
  • Page 58 INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 ④ How to use jumper cables ※ If the battery which is attached to the vehicle is discharged and needs to connect a auxiliary battery, follow the instructions as below. ⓐ Connecting umper cables  Check followings before connecting the cables.

  • Page 59: Fan Belt

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.10 FAN BELT Adjusting plate  If the fan belt tension exceeds the normal Cooling water pump pulley value, adjust the tension as below. - Belt tension: crank shaft pulley ~ alternator pulley - Normal: approx. 10~12mm (0.4~0.5 in.) Bolts (When pressed by 98N (22 lb.f))

  • Page 60: Turbocharger

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 3.11 TURBOCHARGER To check the turbocharger, stop the engine and wait until the exhaust components are cool down.  Check the turbocharger for cracks. Check the turbine(1) and compressor(2)impellers for blockage or damage.  Check the turbine (1)and compressor(2) impeller for bent or damaged blades.

  • Page 61: Ecology And The Environment

    L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL 3.12 ECOLOGY AND THE ENVIRONMENT Soil, air and water is essential elements for human life. To contribute to environment preservation of the Earth, we are trying to minimize the environment pollution necessitated by general business activity such as product design, manufacturing, distribution, etc.

  • Page 62: Troubleshooting

    INDUSTRIAL L4CRTV4/L3CRTV4/L3CRTV3 4. TROUBLESHOOTING ▶ To avoid injury due to sudden start, apply parking brake and place the Warning transmission gear in NEUTRAL position before checking and repairing. System Faults Possible causes Solutions ▲ Start safety switch is not ▲ Depress the clutch pedal...
  • Page 63 L4CRTV4/L3CRTV4/L3CRTV3 INDUSTRIAL System Faults Possible causes Solutions ▲ Lack of engine coolant ▲ Supplement ▲ Bad fan belt tension or broken ▲ Adjust belt tension or Engine overheat replace ▲ Dirt attached to the radiator ▲ Clean ▲ Air cleaner clogged ▲...
  • Page 64 886, Gwahak-Ro, Bongdong-Eup, Wanju-Gun, Jeollabuk-Do, 55322, Korea Tel : 252-984-0700 Fax : 252-984-0701 P/NO 52135401/02 www.lsmtron.com DATE 2022.03.02...

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