Table of Contents
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INTRODUCTION
This publication covers the standard specification model for the Mitsubishi SL-Series diesel engines. The
information, specifications, and illustrations in this publication are based on the information that was
current at the time this issue was written.
This manual contains operation instructions, lubrication and maintenance information.
The OPERATION section is a reference for the new operator and a refresher for the experienced
operator. Read — study — and keep it handy. Illustrations guide the operator through correct procedures
of checking, starting, operating, and stopping the engine. Operating techniques outlined in this manual
are basic. Skills and techniques develop as the operator gains knowledge of the engine.
The MAINTENANCE section is a guide to engine care. The illustrated, step-by-step instructions are
grouped by service intervals. Items without specific intervals are listed under "When Required." Items in
the Lubrication and Maintenance Chart are referred to in the detailed instructions which follow.
Notice that the technical information in this manual depends on the specification of the engine and the
accessories. All specifications are subject to change without any prior notice.
For items other than those in this publication, please refer to the operation manual of the equipment
in which this engine is installed.
Operation Manual
Mitsubishi SL-Series diesel engines
Version 08/2004
Copyright © 2003 MHI Equipment Europe B.V.
Operation Manual Mitsubishi SL-Series diesel engines
Version 08/2004
ENGLISH
INTRODUCTION
1 / 44
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Summary of Contents for Mitsubishi SL-Series
- Page 1 INTRODUCTION INTRODUCTION This publication covers the standard specification model for the Mitsubishi SL-Series diesel engines. The information, specifications, and illustrations in this publication are based on the information that was current at the time this issue was written. This manual contains operation instructions, lubrication and maintenance information.
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Page 2: Recommendation Of Daily Operation Records
• Effective troubleshooting (to help a serviceman from your Mitsubishi dealer to pin-point a problem). • Quick service and less downtime (to help a serviceman from your Mitsubishi dealer save time (and costs for service)) •... -
Page 3: Table Of Contents
Recommended oil viscosities....................34 Limiting requirements for engine oils ..................35 COOLANT AND ANTIFREEZE SPECIFICATIONS ............36 Coolant specifications ......................36 Recommended types of LLC's (Long Life Coolant) ............... 36 Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 3 / 44 Version 08/2004... -
Page 4: English Operation Manual Mitsubishi Sl-Series Diesel Engines
10.1 Storage of the engine in a non-operational condition ............39 10.2 Storage of the engine in an operational condition..............39 TROUBLESHOOTING ......................40 11.1 General ..........................40 11.2 Problems..........................41 ADDITIONAL INFORMATION ....................44 4 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 5: Safety
Do not put flammable materials on hot parts of the exhaust pipe. Keep them away from the pipe. In addition, do not operate the engine in areas where flammable materials are present. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 5 / 44 Version 08/2004... -
Page 6: Prevent Burns
If necessary grip the cap with a cloth and remove it slowly in order to gradually relieve the pressure. 6 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 7: Lifting Precautions
Never allow anyone to walk or stand underneath a Always stay clear of them during operation. suspended engine. Operate the hoist carefully without jerking it. Remember, sudden impact of loads can cause serious accidents. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 7 / 44 Version 08/2004... - Page 8 Remove all foreign material from the engine, such as debris, oil, tools, and other items which are not part of the engine. 8 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004...
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Page 9: Maintenance Precautions
If it comes into contact with the eyes, wash out your eyes immediately and then see a doctor. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 9 / 44 Version 08/2004... -
Page 10: Operating Precaution
They can deposit carbon in of engine cranking, allow 30 seconds for the cylinders and cause incomplete fuel combustion. starting motor to cool before cranking it again. 10 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... - Page 11 To avoid damage to the alternator diodes and the transistors, do not turn OFF the battery switch when the engine is running. This could also result in a failure of instruments to work properly. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 11 / 44 Version 08/2004...
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Page 12: Maintenance Precautions
1. Do not service the air filter while the engine is running. 2. When removing the air filter element for service, prevent any dust from entering the air intake to the cylinders. 12 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 13: If Any Trouble Should Occur
Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 13 / 44 Version 08/2004... -
Page 14: Important Information
Do not use the element if any tears, rips, engine life. Whilst the engine is running, make or damage are evident. a walk-around inspection and check for oil, fuel, or coolant leaks. 14 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 15: If Any Trouble Should Occur
3. If the engine oil pressure becomes low, stop the engine and check for the cause. Operating the engine while the oil pressure is low can cause seizure of the bearings and other parts. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 15 / 44 Version 08/2004... -
Page 16: Specifications
12V, 65 Ah or more 12V, 80 Ah or more (capacity depends on application) Table 1 Specifications 1 All specifications are subject to change without any prior notice. 16 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 17: Nomenclature
Oil drain plug Oil filter REAR FRONT RIGHT SIDE VIEW Exhaust manifold Thermostat Thermoswitch Hanger Alternator Flywheel housing V-belt Flywheel Starter Oil pan REAR FRONT LEFT SIDE VIEW Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 17 / 44 Version 08/2004... -
Page 18: Engine S3L-T/S3L2-T
Oil drain plug Crankshaft pulley REAR FRONT RIGHT SIDE VIEW Thermostat Turbocharger Exhaust manifold Hanger Starter Thermoswitch Alternator Flywheel housing Flywheel V-belt Oil pan FRONT REAR LEFT SIDE VIEW 18 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 19: Engine S4L/S4L2
Oil filter Dipstick Oil drain plug REAR FRONT RIGHT SIDE VIEW Thermostat Exhaust manifold Hanger Thermoswitch Starter Alternator Flywheel housing Flywheel V-belt Oil pan REAR FRONT LEFT SIDE VIEW Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 19 / 44 Version 08/2004... -
Page 20: Engine S4L-T/S4L2-T
Oil filter Oil drain plug REAR FRONT RIGHT SIDE VIEW Turbocharger Thermostat Exhaust manifold Hanger Thermoswitch Starter Alternator Flywheel housing Flywheel V-belt Oil pan FRONT REAR LEFT SIDE VIEW 20 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 21: Operation
2 seconds, and again withdrawn so that the oil level on the dipstick can be seen. CAUTION Check the coolant level only when the engine is cold. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 21 / 44 Version 08/2004... -
Page 22: Starting The Engine
• When cranking the engine for starting, do not apply any load to the engine (disengage the clutch if the engine is equipped with a clutch). 22 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 23: Warming Up The Engine
OFF • At operating temperature, the engine is very position. hot. Any contact with the engine can cause severe burns. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 23 / 44 Version 08/2004... - Page 24 • Remove the key from the starter switch, because leaving it in the ON position after the engine has stopped, can cause the battery to discharge. 24 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004...
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Page 25: Maintenance
Retighten nuts and bolts Check starter Every 1000 Service Hours Check alternator Check turbocharger Every 2 Years Change coolant See SPECIFICATIONS (page 16) Table 3 Lubrication and maintenance charts Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 25 / 44 Version 08/2004... -
Page 26: Every 50 Service Hours
10 to 15 mm (0.4 to 0.6 in.) above the cells. Remove the filler caps and add distilled water when necessary. 2. Test the specific gravity of the battery electrolyte with a battery hydrometer. The 26 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 27: Every 100 Service Hours
Allow the oil to drain into a of the new filter. container. 5. Install the new filter by hand until its packing touches the base. Tighten it by 3/4 to 1 turn. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 27 / 44 Version 08/2004... -
Page 28: Every 500 Service Hours
Correct adjustment exists when the belt can be pushed inward about 13 mm with 100 N thumb pressure exerted midway between the alternator and crankshaft pulley as shown. 28 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 29: Every 1000 Service Hours
1. Check for visual defects. 2. Check to see if the pinion is shifted into mesh with the flywheel ring gear when the starter is Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 29 / 44 Version 08/2004... - Page 30 1. Tighten the radiator drain valve and the engine drain plug. 2. Remove the by-pass hose (A) at the thermostat housing. 3. Remove the cabin heater hose (B) at the thermostat housing (if installed). 30 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004...
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Page 31: When Required
Replace the element if rips or tears are 1. After the engine has been fueled for the first found. time after installation. 2. After the engine has been refueled after running out of fuel. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 31 / 44 Version 08/2004... - Page 32 • Do not clean the element by bumping or tapping it. WARNING When using compressed air for cleaning, wear a protective face shield, protective clothing, and protective shoes. 32 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004...
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Page 33: Fuel Specifications
Be sure to drain all the water and sediment that has settled in the bottom of the tank before the tank is refilled. Occasionally, drain all of the fuel and clean the tank thoroughly. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 33 / 44 Version 08/2004... -
Page 34: Lubricant Specifications
S A E 1 0 W - 3 0 S A E 5 W - 2 0 Table 8 Recommended oil viscosities Mitsubishi recommends the all-season type engine oil of SAE 10W-30. 34 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 35: Limiting Requirements For Engine Oils
180 (356), min. Flash point °C (°F) K 2265 Pentane insolubles 0.5, max. ASTM D 893 Pentane insolubles coagulated 3.0, max. Table 9 Limiting requirements for engine oils Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 35 / 44 Version 08/2004... -
Page 36: Coolant And Antifreeze Specifications
(as coolant) must not exceed shown in the "Coolant Specifications" chart. the Mitsubishi limits. They are tolerable up to the limits shown in the chart below. Main malign effect... -
Page 37: Operation Manual Mitsubishi Sl-Series Diesel Engines English
WARNING severe servicing. These materials differ in ionizing tendency and this difference promotes cavitation Consult your Mitsubishi dealer for disposal of a and deterioration through the medium of engine used coolant containing LLC. coolant. The ideal of breaking the link between cause and effect to preserve the circuit can be 2. -
Page 38: Practical Reported Cases Of Circuit Trouble For Which Additive Is Blamed
As the additive as a whole deteriorates or when its concentration in the coolant is too low, its anti- corrosion performance falls and consequently the circuit metals begin to corrode. Of those metals 38 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 39: 10 Storage
10.1.3 Remove the engine from storage 1. Remove the covers from the engine. 2. Connect a fully charged battery to the engine. 3. Remove the covers from the starter and the alternator. Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 39 / 44 Version 08/2004... -
Page 40: 11 Troubleshooting
Never attempt to vary this Use only original parts to replace those that have injection quantity in the field. failed or reached their service limits. When 40 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004... -
Page 41: 11.2 Problems
Bad quality fuel Change correct fuel Overheating Flush cooling system and replace parts Wrong valve clearance Adjust Poor compression (cylinders, piston, rings, etc. Repair or replace* worn) Table 12 Troubleshooting Operation Manual Mitsubishi SL-Series diesel engines ENGLISH 41 / 44 Version 08/2004... - Page 42 Defective fuel injection nozzles Repair or replace* Wrong injection timing Adjust* Clogged air cleaner Clean or replace Poor compression (cylinders, piston rings, etc. Repair or replace* worn) Table 12 Troubleshooting 42 / 44 ENGLISH Operation Manual Mitsubishi SL-Series diesel engines Version 08/2004...
- Page 43 Remarks: 1. Consult your Mitsubishi dealer for items marked with an asterisk (*). 2. Consult your Mitsubishi dealer for any items other than those listed in the table. 3. When communicating with your Mitsubishi dealer, specify the engine model name, the...
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Page 44: Additional Information
1332 EC Almere The Netherlands herewith declares that: the Mitsubishi diesel engine, SL-series type is destined to be incorporated in other machines or to be combined with other machines, and is not (entirely) in compliance with the Machinery Directive (98/37/EC).