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OPERATION &
MAINTENANCE MANUAL
199670-14110
The operator and supervisor are requested to read this Oper-
ation and Maintenance Manual carefully before operating the
engine or conducting inspection and maintenance.
Never operate the engine or conduct maintenance work with-
out completely understanding this manual.
March 2009
Pub. No. 99670-14110
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Table of Contents
Troubleshooting
Related Manuals for Mitsubishi S6B
Summary of Contents for Mitsubishi S6B
- Page 1 OPERATION & MAINTENANCE MANUAL 199670-14110 The operator and supervisor are requested to read this Oper- ation and Maintenance Manual carefully before operating the engine or conducting inspection and maintenance. Never operate the engine or conduct maintenance work with- out completely understanding this manual. March 2009 Pub.
- Page 3 FOREWORD This operation and maintenance manual contains detailed operation, inspection and maintenance information for Mitsubishi engines. Please read this manual thoroughly before proceeding with operation, inspection, and maintenance work for correct use and servicing. Failure to follow directions in this manual may result in serious accidents.
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Page 4: Limited Warranty
FOREWORD LIMITED WARRANTY The manufacturer will repair or replace parts returned to the manufacturer when the manufacturer judges that the parts are defective in material and/or workmanship after conducting inspection. The manufacturer's warranty is limited to the compensation work of repair or replacement of parts. The warranty coverage is effective for the original purchaser only. -
Page 5: Important Information
If you lost or damaged this manual, obtain a new and operating signs that describe the original warn- copy at your Mitsubishi dealer as soon as possible. ing label statements in the native language of the Mitsubishi Heavy Industries recommends the engine operators. - Page 6 FOREWORD Warning indication The following two means are used to call the attention of the operators and maintenance personnel to potential dan- gers of the engine. Warning statements in the manual Warning labels affixed on the engine Warning statements The warning statements in this manual describe potential danger in operating, inspecting or maintaining the engine, using the following five classifications to indicate the degree of potential hazard.
- Page 7 FOREWORD Units of measurement Measurements are based on the International System of Units (SI), and they are converted to the metric system units in this manual using the following conversion rates. Pressure :1 MPa = 10.197 kgf/cm Torque :1 N·m = 0.10197 kgf·m Force :1 N = 0.10197 kgf Horsepower :1 kW = 1.341 HP = 1.3596 PS Meter of mercury :1 kPa = 0.75 cmHg...
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Page 9: Table Of Contents
CONTENTS Chapter 1 Avoid immediate restart after abnormal stop..1-5 Avoid continuous engine operation at low oil BASIC SAFETY PRECAUTIONS pressure ............1-5 Fire and explosions ......1-1 If V-belt breaks, stop engine immediately ..1-5 Keep flames away..........1-1 Service battery ........1-6 Keep engine surrounding area tidy and clean.. - Page 10 CONTENTS Chapter 3 Viscosity ............5-2 Selection of oil viscosity ...... 5-3 OPERATION Definition of properties of engine oil..5-4 Operational environment .....3-1 Viscosity ............5-4 Preparation for operating new or Total base number ........... 5-4 overhauled engine .......3-1 Total acid number ..........5-4 Preparation of fuel system .......
- Page 11 Water separator - Inspect......... 8-7 General precautions......11-1 Gauze filter - Clean .......... 8-7 Fuel filter - Replace .......... 8-8 Contact your Mitsubishi dealer for repair s Fuel pipe - Inspect..........8-9 ervice.............. 11-1 Lubricating system......8-10 Considerations before work ......11-1 Cautions against contamination .....
- Page 12 CONTENTS List of illustrations Fig. 4-2 Recommended fuel according to ambient Fig. 2-1 Engine left view ........... 2-1 temperature..........4-1 Fig. 2-2 Engine right view......... 2-1 Fig. 5-1 Recommended engine oil ......5-1 Fig. 2-3 Start switch and stop switch......2-2 Fig. 5-2 Selection of oil viscosity .......5-3 Fig.
- Page 13 CONTENTS Fig. 8-31Starter - Inspect ........8-19 Table 12-1 Main specifications ........12-1 Fig. 8-32Alternator - Inspect ........8-19 Fig. 8-33Air strainer - Drain water and Clean ..8-20 Fig. 8-34Air tank - Drain water........ 8-20 Fig. 10-1Lifting hanger..........10-1 Fig. 10-2Engine's center of gravity ......10-1 List of tables Table 3-1 Specific gravity of electrolyte ....
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Page 15: Basic Safety Precautions Fire And Explosions
Chapter 1 BASIC SAFETY PRECAUTIONS Fire and explosions Keep flames away Care for fuel, oil and exhaust Do not use flames near the engine gas leakage and in the engine room. Fuel vapor or If any fuel, oil or exhaust gas leakage is found, imme- other gas can catch fire and produce diately take corrective measures to stop it. -
Page 16: Stay Clear Of All Rotating And Moving Parts
Chapter 1 BASIC SAFETY PRECAUTIONS Stay clear of all rotating and moving parts Install protective covers around Lockout and Tagout rotating parts Be sure to lockout and tagout before starting inspec- Make sure the protective covers of tion and maintenance. the engine are correctly installed. -
Page 17: Be Careful Of Exhaust Fume Poisoning
Chapter 1 BASIC SAFETY PRECAUTIONS Be careful of exhaust Be careful of falling fume poisoning Lift engine carefully To lift the engine, use slings capable Operate the engine in a well- of supporting the weight of the ventilated area engine. Check the exhaust pipes and where Attach the wire rope to the lifting the pipes joint together for gas leaks. -
Page 18: Protect Ears From Noise
Chapter 1 BASIC SAFETY PRECAUTIONS Protect ears from noise Do not open the radiator filler cap when the engine is hot Never open the radiator filler cap while the engine is Wear ear plugs running or immediately after the engine is stopped. Always wear ear plugs when entering When opening the cap, stop the engine and allow the the machine room (engine room). -
Page 19: Be Careful When Handling Fuel, Engine Oil Or Llc
Chapter 1 BASIC SAFETY PRECAUTIONS Be careful when handling If any anomaly occurs fuel, engine oil or LLC Do not add coolant immediately after a sudden stop due to over- Use only specified fuel, engine heating oil and long-life coolant (LLC) If the engine stops suddenly or if you have no choice Use fuel, oil and LLC specified in this manual, and but stop the engine suddenly due to overheating, do... -
Page 20: Service Battery
Chapter 1 BASIC SAFETY PRECAUTIONS Service battery Handle the battery correctly Never use flames or allow sparks to generate near the battery. The bat- tery releases flammable hydrogen gas and oxygen gas. Any flames or sparks in the vicinity could cause an explosion. -
Page 21: Other Cautions
If there is a need to modify the engine, contact your Failure to conduct the specified inspections may Mitsubishi dealer. cause various engine problems, damage to parts, and Observe safety rules at work serious accidents. -
Page 22: Conduct Cooling Operation Before Stopping The Engine
Chapter 1 BASIC SAFETY PRECAUTIONS Conduct cooling operation Use of tools optimum for each before stopping the engine work Before stopping the engine, let it idle at low speed for Always keep in mind to select most appropriate tools 5 to 6 minutes to cool down. for the work to be performed and use them correctly. -
Page 23: Name Of Parts
Chapter 2 NAME OF PARTS Engine external diagrams Left view Turbocharger Exhaust outlet Air intake inlet Water outlet pipe Front Rear Water pump Starter Oil cooler Oil filter Name plate Bypass oil filter Fig. 2-1 Engine left view Right view Breather, oil filler Air cooler Thermostat... -
Page 24: Equipment And Instrument
Chapter 2 NAME OF PARTS Equipment and instrument The installed equipment and shapes differ on the engine type. Start and stop instrument START STOP Start switch When the start switch on the operation panel is pressed, starting system is operated and cranks the engine. -
Page 25: Instruments
Chapter 2 NAME OF PARTS Instruments This section describes about devices which transmit signals to necessary instruments of the engine in operation. Read carefully and understand functions of each device. Oil pressure unit Always detect the oil pressure. Oil pressure unit Fig. -
Page 26: Engine Protection Devices
If the cause of the problem is unknown, contact a Mitsubishi dealer. Protection devices installed on the engine and their types (setting values) and shapes vary depending on the engine specifications. -
Page 27: Overrun Detection Pickup
Chapter 2 NAME OF PARTS Overrun detection pickup The overrun detection pickup generates an alarm when the engine speed becomes high and reaches the specified engine speed. Fig. 2-12 Overrun detection pickup Air cleaner indicator Reset button The air cleaner indicator alarms with its red signal when air cleaner elements become clogged, the differ- Signal (red) -
Page 29: Operational Environment
Chapter 3 OPERATION Operational environment Check that the following contents are performed before the engine is operated. Failure to do so may cause various problems and will shorten the service life of the engine. Prevent from spreading water (especially, seawater or rainwater) and entering foreign substances to the air inlet opening. -
Page 30: Fig. 3-1 Priming Pump - Handle
Chapter 3 OPERATION Fuel system - Bleed air [Unlock] [Prime] [Lock] Move cap up Turn counterclockwise When fuel overflow from the air vent plug, wipe thor- and down oughly. Spilled fuel causes fire hazard. After bleeding, lock the priming pump cap securely. If Turn clockwise while pressing the cap is not locked tightly, the priming pump can be... -
Page 31: Fig. 3-4 Priming Pump Cap Tightening Method
Head packing 3. Check the mounting position of head packing. Note: If the head packing has abnormality such as de- formation or scratches, consult your Mitsubishi dealer, as the priming pump needs to be changed. Fig. 3-5 Priming pump head packing... -
Page 32: Preparation Of Lubrication System
Chapter 3 OPERATION Preparation of lubrication system Engine oil - Refill Oil filler 1. Remove the cap from the oil filler. 2. Fill the engine oil pan with specified engine oil to the specified level. Note: For engine oil, refer to "ENGINE OIL"... -
Page 33: Preparation Of Cooling System
Chapter 3 OPERATION Preparation of cooling system Coolant - Refill 1. Make sure the drain cocks on the engine are closed firmly. 2. Remove the radiator cap, and pour in undiluted LLC. Note: Determine the quantities of LLC based on the coolant capacity and the LLC concentration chart. -
Page 34: Preparation Of Electrical System
Chapter 3 OPERATION Preparation of electrical system Battery - Inspect If battery electrolyte is spilled on your skin, flush immediately with plenty of water. If battery electrolyte enters the eyes, flush them immediately with lots of fresh water and seek medical attention at once. Do not use open flames or other fire hazards near the battery. -
Page 35: Test Operation
Chapter 3 OPERATION Test operation To conduct a test operation, follow the procedures below. Note: For engine operation, refer to "Normal engine operation" (3-8). Starting and stopping 1. Start the engine. 2. Operate the engine at low idling speed under no load for 5 to 10 minutes for a warm-up operation. 3. -
Page 36: Normal Engine Operation
2. Check the entire engine for leaks of fuel, engine oil or coolant. If leaks are found, repair the leak, or contact your local Mitsubishi dealer. 3. Visually check for loose bolts and nuts. 4. Check the electrical wiring including the starters Fig. -
Page 37: Fuel Tank Oil Level - Check
Chapter 3 OPERATION Fuel tank oil level - Check When working around fuel, make sure there are no open flames, heaters or other fire hazards. Wipe off any spilled fuel completely. Spilled fuel can ignite and cause a fire. Do not remove the strainer when filling the fuel tank. For fuel to be used, refer to "FUEL"... -
Page 38: Coolant Level - Check
Chapter 3 OPERATION Coolant level - Check Stand the lever to Turn the cap about Remove the radiator cap only after the engine has the upright position half a turn cooled to room temperature. Place a waste cloth over the cap, and loosen the cap about a half-turn or stand the lever to the upright position to release inter- nal pressure. -
Page 39: Air Tank - Drain Water
Chapter 3 OPERATION Air tank - Drain water There are 2 places for draining water in the air tank: Drain valve drain valve on the top of air tank, and drain handle on the bottom of drain separator. 1. Open the drain valve slowly, and check that water in the tank is drained from drain pipe. -
Page 40: Temperature Of Damper - Check
5E-50 mality of temperature alteration. If the abnormality of temperature alteration is found, Fig. 3-22 Thermo label of damper consult a Mitsubishi dealer. Note: For damper inspection, refer to "Damper - In- spect" (8-3). -
Page 41: Starting
Chapter 3 OPERATION Starting The starting method changes based on the application and specifications. Start the engine according to the speci- fied procedure. Before starting the engine, check to make sure no one is near the engine and that tools are not left on or near the engine. -
Page 42: Operation
Chapter 3 OPERATION Operation Cautions when operating Inspection during operation Carefully check the exterior of engine such as piping joints for leaks. Do not approach rotating parts during operation. Check for abnormal engine noises or vibrations such Entanglement by rotating parts can cause serious as knocking. -
Page 43: Stopping
Fig. 3-23 Manual stop lever Inspection after stopping Inspect the engine for leaks of fuel, oil or coolant. If any leak is found, repair the leak or contact your Mitsubishi dealer. 3-15... -
Page 45: Recommended Fuel
Chapter 4 FUEL Recommended fuel Diesel fuel Use the recommended fuel specified in this manual. Do not refill the fuel tank more than the specified level, as it may result in a fire. Compliance Use a diesel fuel that meets "ASTM diesel fuel oil with JIS K2204 No.2-D"... -
Page 46: Table 4-2 Recommended And Limit Values Of Fuel
Chapter 4 FUEL Table 4-2 Recommended and limit values of fuel property Properties Recommend value Limit value Properties JIS K 2204, 2205 Flash point As stipulated by regulation As stipulated by regulation Diesel fuel: 50 °C [122°F] or higher Initial boiling 170°C [338°F] or above 170°C [338°F] or above point... -
Page 47: Engine Oil
Chapter 5 ENGINE OIL Recommended engine oil Use only the engine oils recommended in this manual. Never use other oils. The use of inappropriate or inferior oils will result in sticking of piston rings, seizure between piston and cylinder, or premature wear of bearings and moving parts, and significantly shortens the service life of the engine. -
Page 48: Properties Of Engine Oil And Its Influence On Engine Performance
Chapter 5 ENGINE OIL Properties of engine oil persibility of engine oil is to disperse sludge and soot in oil in order to prevent it from depositing. and its influence on Viscosity engine performance Oils flow with difficulty at lower temperatures, and flow Engine oil lubricates the engine and greatly influences smoothly at high temperatures. -
Page 49: Selection Of Oil Viscosity
Chapter 5 ENGINE OIL Selection of oil viscosity Use the following chart to select the appropriate oil viscosity according to the ambient temperature. Excessively high oil viscosity causes power loss and Temperature °C [°F] [-21] [-4] [14] [32] [50] [68] [86] [104] [122] an abnormal rise of oil temperature, while excessively... -
Page 50: Definition Of Properties Of Engine Oil
Chapter 5 ENGINE OIL Definition of properties of engine oil Viscosity Water content Viscosity is a basic physical property of engine oil and Water in oil promotes corrosion/wear, and decreases is considered as the most important aspect when eval- lubricity in sliding parts. uating oil. -
Page 51: Service Limits Of Engine Oil
Engine oil analysis service For a long term service life of engine, Mitsubishi Heavy Industries, Ltd. offers an engine oil analysis service. The service includes special oil sampling tools, the sample oil analysis and result data. The engine oil analysis service provides the followings: The quantity of fine metal powder in engine oil due to abrasion, by which worn parts can be located. -
Page 52: How To Order Engine Oil Sampling Tool Set
Chapter 5 ENGINE OIL How to order engine oil sampling tool set The oil sampling pump is reusable, but oil sampling bottle and suction pipe must be replaced each time. For replacing tools, order them through the regular part supply system. The analysis fee is included in the price of the sampling bottle. -
Page 53: Recommended Water For Coolant
Be sure to use Mitsubishi genuine long life coolant (LLC) "GLASSY long life coolant (Ethylene glycol type)" or "PG GLASSY long life coolant (Non-amine type)" as coolant. When using other brand LLCs by necessity, be sure to use the LLC that meets the Mitsubishi specification. -
Page 54: Other Brand Llcs
Other brand LLCs Standard for other brand When using other brand LLCs by necessity, be sure to Never mix genuine Mitsubishi LLC with other brand use the LLC that meets following specification. Mit- LLCs. Mixing with other brand LLCs degrades the subishi heavy industries, Ltd. -
Page 55: Llc Specification
Chapter 6 COOLANT LLC specification LLC shall examine according to JIS K2234 section 7 (examination methods), and satisfy this specification. General matters and the sample to the examination is shown in JIS K2234. Table 6-2 LLC specification Property Standard value External Not precipitation Density... - Page 56 Chapter 6 COOLANT Table 6-2 LLC specification Property Standard value Aluminum ±0.60 mg/cm Cast iron ±0.30 mg/cm Steel ±0.30 mg/cm Mass change Brass ±0.30 mg/cm Test Piece Solder ±0.60 mg/cm Circulation metal- Copper ±0.30 mg/cm lic causticity (88 ± 3°C [190 ± External of test piece after the exam- Not corrosion on surface excluding between 5.4°F],...
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Page 57: Maintenance Of Llc
LLC concentration PG GLASSY Note: (a) When ambient temperature is -30°C [-22°F] or below, use Mitsubishi genuine LLC "GLASSY long life cool- ant (Ethylene glycol type)". (b) The concentration above is based on Mitsubishi genuine LLC "GLASSY long life coolant (Ethylene glycol type)"... -
Page 58: Importance Of Llc
Chapter 6 COOLANT Importance of LLC Examples of abnormali- ties caused by LLC Today's trend is toward smaller and lighter engines offering greater output, lower fuel consumption and Pitting of iron parts lower exhaust emission levels. Amines are generally effective in suppressing the rust- Conditions to which engine coolant is subjected, ing of ferrous metals, but they are said to cause prob- therefore, are becoming severer due to longer operat-... -
Page 59: Maintenance Schedule
Check the operating record of the engine to determine the most appropriate service intervals. (Feel free to consult your Mitsubishi dealer regarding service intervals.) Service the items at multiples of the original requirement. For example, at 1000 service hours, also service those items listed under every 250 service hours and every 50 service hours. -
Page 60: General Definition Of Regular-Use Engine, Emergency Engine And General-Purpose Engine
Chapter 7 MAINTENANCE SCHEDULE General Definition of Regular-Use Engine, Emergency Engine and General-Purpose Engine General definition of regular-use engine An engine operated with a constant base load for the purpose of generating electric power, which is used indepen- dently or in combination with commercial power supply. An engine operated under a fluctuating load throughout a day for supplying rated electric power in lieu of commercial power. -
Page 61: Periodic Maintenance Chart For Regular Use Engine
Chapter 7 MAINTENANCE SCHEDULE Periodic maintenance chart for regular use engine Table 7-1 Periodic maintenance chart for regular use engine Interval and Service item Page Fuel tank - Drain water Every 50 service hours or every month Water separator - Drain water Bolts and nuts on the engine - Retighten First 50 service hours for Engine oil, Oil filter and Bypass oil filter - Replace... - Page 62 Cleaning the Inside of the Engine Breathers Stop solenoid - Inspect or Replace Couplings - Inspect or Replace Inspecting the Vibration-isolating Rubber Items marked with * in the maintenance schedule require special tools or large equipment. For the servicing of those items, contact your Mitsubishi dealer.
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Page 63: Periodic Maintenance Chart For Emergency Engine
Chapter 7 MAINTENANCE SCHEDULE Periodic maintenance chart for emergency engine Table 7-2 Periodic maintenance chart for emergency engine Interval and Service item Page Engine external - Inspect (Check for leakage of fuel, oil and coolant) Fuel tank oil level - Check Engine oil level - Check Coolant level - Check 3-10... - Page 64 Chapter 7 MAINTENANCE SCHEDULE Table 7-2 Periodic maintenance chart for emergency engine Interval and Service item Page Oil pipe - Inspect 8-12 Engine Engine Oil Properties - Analyze Lubricating sys- Engine Oil Pressure (Maintenance operation) - Inspect and Adjust Water pump - Inspect Electromagnetic Valve and Pressure Reducing Valve of the Cooling System - Inspect, Disassemble and Clean Strainer (including with/ball tap) of Cooling Water -...
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Page 65: Table 7-2 Periodic Maintenance Chart
Chapter 7 MAINTENANCE SCHEDULE Table 7-2 Periodic maintenance chart for emergency engine Interval and Service item Page Engine oil, Oil filter and Bypass oil filter - Replace It is recommended to check the engine oil characteristics at the same time. 8-10 The oil filters must be replaced when the filter alarm lights. - Page 66 Stop solenoid - Inspect or Replace Ball tap of water tank - Repair or Replace Other consumables - Replace Items marked with * in the maintenance schedule require special tools or large equipment. For the servicing of those items, contact your Mitsubishi dealer.
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Page 67: Periodic Maintenance Chart For General Purpose Engine
Chapter 7 MAINTENANCE SCHEDULE Periodic maintenance chart for general purpose engine Table 7-3 Periodic maintenance chart for general purpose engine Interval and Service item Page Fuel control linkage ball joint - Inspect Every 50 service hours or Air strainer - Drain water and Clean (air motor type or direct inlet type) 8-20 every month... - Page 68 Air cleaner element - Clean, Check and Replace 8-17 Pre-cleaner - Clean, Inspect and Replace 8-16 Items marked with * in the maintenance schedule require special tools or large equipment. For the servicing of those items, contact your Mitsubishi dealer. 7-10...
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Page 69: Periodic Inspection And Maintenance Procedures
3. Check the entire engine for leaks of fuel, engine oil or coolant. If leaks are found, repair the leak, or contact your local Mitsubishi dealer. 4. Make sure the following valves, plugs and cocks are open or closed properly:... -
Page 70: V-Belt And Belt Tension - Inspect And Adjust
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES V-belt and belt tension - Inspect and Adjust If defects such as cuts or surface separations are found during inspection, replace the belt. Keep oil and grease away from the belt, since they may cause the belt to slip and shorten the service life. Excessive belt tension can cause rapid wear of the alternator bearing and shorten the service life of the belt. -
Page 71: Damper - Inspect
For making damper function well, heat of damper must be dissipated from its surface to prevent excessive damper heating. Mitsubishi inspects each engine before shipment to ensure proper operating temperature of the vibration damper. However, the vibration damper temperature varies depending on ambient conditions. Therefore, observe the following suggestions and provide sufficient ventilation for the vibration damper and equipment. -
Page 72: Fig. 8-3 Damper Temperature Management
(b) If the temperature indication of thermo label comes close to the limit temperature of damper or the abnor- mality is found in change of temperature, contact a Mitsubishi dealer. Table 8-2 Thermo label for temperature management... -
Page 73: Fuel System
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Fuel system Fuel system - Inspect When handling fuel, make sure there are no open flames or other fire hazards near the engine. Wipe off any spilled fuel completely. Spilled fuel can ignite and cause a fire. Fuel tank - Clean Do not remove the strainer when filling the fuel. -
Page 74: Fuel Control Linkage Ball Joint - Inspect
0.1 mm If the sealed ball joints are found loosened, contact [0.004 in.] your Mitsubishi dealer. If the seal on the ball joint is broken, the warranty is invalidated. If the ball joints are integrated in the control linkage, Lever replace the control linkage when the ball joints have loosened. -
Page 75: Water Separator - Inspect
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Water separator - Inspect and Replace Water separator - Drain water 1. Prepare a plate, and place it under the drain cock of water separator. 2. Open the drain cock, and drain water in the water separator. -
Page 76: Fuel Filter - Replace
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Fuel filter - Replace 1. Clean the area around the fuel filters. Air vent plug 2. Prepare a drip pan, and place it under the fuel fil- ters. Gasket 3. Using a filter wrench, remove the fuel filters. 4. -
Page 77: Fuel Pipe - Inspect
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Fuel pipe - Inspect High pressure fuel injection pipe and Clamp seat - Inspect and Replace Visual inspection in every 2000 service hours Check clamp seat cracks and high pressure fuel injec- Clamp plate tion pipe metal contact with clamp. -
Page 78: Lubricating System
When draining oil or changing the oil filter, wear gloves. Hot engine oil and parts may cause burns. Do not dump waste oil. It is forbidden by law. Consult your Mitsubishi dealer for disposal of waste oil. Change the engine oil, oil filter and bypass oil filter at the same time. -
Page 79: Engine Oil For Mixing Of Fuel And Water - Inspect
If water is mixed with the engine oil, the oil will be milky white. If fuel or water is detected in the engine oil, find the cause of the problem, and repair. If the problem cannot be cor- rected easily, contact a Mitsubishi dealer. 8-11... -
Page 80: Governor Oil Filter - Replace
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Governor oil filter - Replace When draining oil or changing the oil filter, wear gloves. Hot engine oil and parts may cause burns. 1. Prepare a drip pan and place it under the governor filter. -
Page 81: Cooling System
Coolant (containing LLC) drained from the engine is toxic. Never dispose of coolant into regular sewage. Fig. 8-18 Radiator cap For disposal of used coolant, consult your Mitsubishi dealer or a industrial waste disposer. The service life of LLC is 2 years. Be sure to change coolant at least once every 2 years. -
Page 82: Radiator Fins - Check And Clean
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Coolant - Refill 1. Make sure coolant drain cocks and plugs are closed securely. 2. Remove the radiator cap, and pour in undiluted LLC. Note: Determine the amounts of LLC and water to be added by using the LLC concentration chart. -
Page 83: Inlet And Exhaust Systems
Replace the bearings if looseness or abnormal noise is found. Note: When removing and inspecting turbocharger, contact your Mitsubishi dealer. Draining water from the exhaust muffler Never touch the exhaust muffler immediately after the engine stops, as it is extremely hot. To drain water, wait until the exhaust muffler cools. -
Page 84: Pre-Cleaner - Clean, Inspect And Replace
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Pre-cleaner - Clean, Inspect and Replace Mild Never service the pre-cleaner while the engine is detergent running. Servicing the pre-cleaner while the engine is in operation can cause particles of foreign matter Water to enter the engine and result in rapid wear of parts, (Wash) (Rinse) -
Page 85: Air Cleaner Element - Clean, Check And Replace
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Air cleaner element - Clean, Check and Replace When handling compressed air, wear safety goggles, a dust mask, a hardhat, gloves and other necessary protec- tive gear. Works without wearing proper protective gear could result in serious injuries. Never service the air cleaner while the engine is running. -
Page 86: Electrical System
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Electrical system Battery - Inspect If battery electrolyte is spilled on your skin, flush immediately with plenty of water. If battery electrolyte enters the eyes, flush them immediately with lots of fresh water and seek medical attention at once. Do not use open flames or other fire hazards near the battery. -
Page 87: Starter - Inspect
Starter - Inspect Check the exterior of the starters for damage. If the starters are dusty, blow dirt using compressed air. Note: If the starters are defective, consult a Mitsubishi dealer. Starter Fig. 8-31 Starter - Inspect Alternator - Inspect Visually check the alternator for damage. -
Page 88: Air Starter System
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES Air starter system Air strainer - Drain water and Clean 1. Close the handle for starting of the air tank. 2. Remove the drain plug of air starter strainer and drain water from the air strainer. Starting air Starting air 3. -
Page 89: Long-Term Storage
Chapter 9 LONG-TERM STORAGE If the engine has been left unattended for three months or more, the internal engine parts can rust, and that may cause damage to the engine. When storing the engine for an extended period of time, be sure to follow the directions below. Storing the engine in an inoperable condition for 3 months or more Preparation for storage... -
Page 90: Using The Engine After Storage
Chapter 9 LONG-TERM STORAGE Using the engine after storage 1. Remove the cover from the engine. 2. Connect a fully charged battery. 3. Remove the covers from the starters and alternator. 4. Adjust the tension of belt. Note: For the adjustment of belt tension, refer to "V-belt and belt tension - Inspect and Adjust"... -
Page 91: Lifting The Engine
Chapter 10 TRANSPORTATION Lifting the engine Front hanger Rear hanger To lift the engine, use wire ropes, shackles and slings capable of supporting the weight of the engine. Attach the wire rope to the lifting hangers provided on the engine using a correct sling. Keep the engine balanced during lifting by consider- ing the engine's center of gravity. -
Page 93: Troubleshooting
In component being disassembled. the event of the engine failure, contact your Mitsubishi Cautions regarding parts han- dealer. dling Considerations before work Handle parts carefully. -
Page 94: Troubleshooting
(Refer to P3-6) Faulty battery Charge battery Change battery. Faulty starter or starter relay Consult a Mitsubishi dealer. Oil viscosity too high Use appropriate engine oil. (Refer to P5-1) Lubricating Excessive oil Check amount of engine oil and lubrication system. -
Page 95: Output Decrease
Inspect and replace fuel filter. (Refer to P8-8) Clogged fuel filter Gauze filter - Clean (Refer to P8-7) Faulty fuel feed pump Consult a Mitsubishi dealer. Faulty fuel injection pump Consult a Mitsubishi dealer. Fuel system Faulty fuel injection nozzle Consult a Mitsubishi dealer. -
Page 96: Exhaust Smoke Is White Or Blue
Improper fuel property Check cetane index, and use appropriate fuel. (Refer to P4-1) Check fuel injection pump couplings. Faulty fuel injection timing Consult a Mitsubishi dealer. Fuel system Faulty fuel injection nozzle Consult a Mitsubishi dealer. Check ignition noise, exhaust smoke temperature. -
Page 97: Exhaust Smoke Is Black Or Charcoal
Cause Remedies Improper fuel property Use appropriate fuel. (Refer to P4-1) Faulty fuel feed pump Consult a Mitsubishi dealer. Faulty fuel injection pump Consult a Mitsubishi dealer. Faulty fuel injection nozzle Consult a Mitsubishi dealer. Fuel system Check fuel injection pump couplings. -
Page 98: Fuel Consumption Is High
Chapter 11 TROUBLESHOOTING Fuel consumption is high Table 11-6 Fuel consumption is high Cause Remedies Faulty fuel injection nozzle Consult a Mitsubishi dealer. Check fuel injection pump couplings. Faulty fuel injection timing Consult a Mitsubishi dealer. Fuel system Improper fuel property Use appropriate fuel. -
Page 99: Engine Oil Consumption Is High
Cause Remedies Check fuel injection pump couplings. Fuel system Faulty fuel injection timing Consult a Mitsubishi dealer. Check oil leakage. Oil leakage to the outside of engine Consult a Mitsubishi dealer. Engine oil viscosity too low Use appropriate oil viscosity. -
Page 100: Overheating
Check coolant leakage Low coolant level Check coolant level. (Refer to P3-10) Cooling Faulty water pump operation Consult a Mitsubishi dealer. system Faulty thermostat operation Consult a Mitsubishi dealer. Faulty radiator operation Check and clean radiator and pressure cap. Check fuel injection pump rack stroke. -
Page 101: Main Specifications
Starter 24V DC - 6kW Alternator 24V DC - 30 A Turbocharger Mitsubishi 4LF, TD08, TD09 or TD10 Flywheel Equivalent of SAE. 14in Flywheel housing Equivalent of SAE. No.1 Note: (a) The specification above are subject to change without prior notice. - Page 104 99670-14110 Printed in Japan Pub. No.
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