Mitsubishi L2A Operation Manual Download Page 35 | Manualshive

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Operation Manual Mitsubishi SL-Series diesel engines
Version 08/2004

LUBRICANT SPECIFICATIONS

ENGLISH

8.3

Limiting requirements for

engine oils

If a used oil analysis program is conducted in
order to determine the condition of the oil, consult
the chart below. Change the oil if any of these
requirements are not met.

CAUTION

Avoid mixing oils with different brands. In most
cases, oils with different brands are not
compatible and, when mixed, they can seize
parts such as piston rings, cylinders, etc. and
cause wear to moving parts. It is best to stick
with the same brand and one type of oil at
successive service intervals.

A oil

B oil

NOTE

•

Oil change intervals depends on the fuel
properties. Be sure to use the recommended
fuels only.

•

The limit of total base number is 1/2 of that
of a new oil in case of a perchloric-acid
analysis method.

Property

Unit

Test Method

Limit

Viscosity

cSt @ 100°C (212°F)

JIS

K 2283

+30% / -15% , max. of new oil

Total base number (HCl)

mgKOH/g

JIS

K 2501

2.0, min.

Total acid number

mgKOH/g

+3.0, max. of new oil

Water content

Vol%

JIS

K 2275

0.2, max.

Flash point

°C (°F)

JIS

K 2265

180 (356), min.

Pentane insolubles

Wt%

ASTM

D 893

0.5, max.

Pentane insolubles coagulated

Wt%

3.0, max.

Table 9

Limiting requirements for engine oils

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Summary of Contents for L2A

Page 1: ... 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...

Page 2: ...g trouble Items to be recorded The following items are recommended to be recorded 1 Operating hours service hour meter reading 2 The amount of oil fuel and coolant soft water required for refilling 3 Oil and coolant change intervals 4 Engine oil pressure exhaust temperature coolant temperature and inlet air temperature 5 Parts serviced kinds of service adjustment repairs or replacement and the res...

Page 3: ...gine S4L S4L2 19 4 4 Engine S4L T S4L2 T 20 5 OPERATION 21 5 1 Pre start inspection 21 5 2 Starting the engine 22 5 3 Warming up the engine 23 5 4 Starting the load 23 5 5 Stopping the engine 23 6 MAINTENANCE 25 6 1 Every 50 service hours 26 6 2 Every 100 service hours 27 6 3 Every 250 service hours or once a year 27 6 4 Every 500 service hours 28 6 5 Every 1000 service hours 29 6 6 Every 2 years ...

Page 4: ...37 9 4 Why LLC 37 9 5 How LLC works 37 9 6 Practical reported cases of circuit trouble for which additive is blamed 38 10 STORAGE 39 10 1 Storage of the engine in a non operational condition 39 10 2 Storage of the engine in an operational condition 39 11 TROUBLESHOOTING 40 11 1 General 40 11 2 Problems 41 12 ADDITIONAL INFORMATION 44 ...

Page 5: ...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 Connect the battery earth cable carefully Finally connect the earth cable negative terminal to the engine block when starting the engine using another battery If it is accidentally connected to the negative terminal of the mounted battery a spark may oc...

Page 6: ...the engine has been turned off and the filler cap is cool enough to touch with your bare hands If necessary grip the cap with a cloth and remove it slowly in order to gradually relieve the pressure Do not touch any hot components At operating temperature the engine components become very hot Avoid any contact during operation Service the engine only after it has been stopped and the components are...

Page 7: ... precautions Lift the engine carefully Never allow anyone to walk or stand underneath a suspended engine Operate the hoist carefully without jerking it Remember sudden impact of loads can cause serious accidents 1 4 Exhaust fumes Exhaust fumes Operate the engine in safe areas only Operate the engine in a well ventilated area Never operate it in an enclosed area In particular do not operate it near...

Page 8: ...e Before starting the engine make sure that no one is working on or close to the engine Remove all foreign material from the engine such as debris oil tools and other items which are not part of the engine lnstall the protective covers To prevent personal injury make sure all protective covers and guards are placed on the rotating parts Keep the turning tool disengaged when it is not in use When n...

Page 9: ...ly If battery electrolyte comes into contact with the eyes or skin wash them clean immediately by using plenty of water If it comes into contact with the eyes wash out your eyes immediately and then see a doctor Handle antifreeze carefully If you accidentally drink antifreeze make yourself vomit and see a doctor immediately If antifreeze comes into contact with the eyes immediately wash them clean...

Page 10: ...eposit carbon in cylinders and cause incomplete fuel combustion Stop the engine only after it has cooled down Stopping the engine immediately after it has been working under a load can result in overheating and accelerated wear of the engine components Before stopping the engine leave it idling for 5 to 10 minutes This allows the hot areas in the engine to cool down gradually which extends engine ...

Page 11: ...mance Violation to emission regulations Do not turn OFF the battery switch during operation 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 AIways keep the engine compartment well ventilated Unless the engine compartment is properly ventilated the air suppl...

Page 12: ...ver the air inlet and exhaust opening with tape to prevent water or cleaning agent from getting inside the engine Do not wash the engine while it is running If water or cleaning agents get inside the combustion chambers the hammering action of water can damage the engine Keep grit laden air out of the engine Dust and dirt entering the engine will cause early wear of the moving parts This could res...

Page 13: ... lubrication system Operating the engine with low oil pressure can cause bearings and other parts to seize lf the engine overheats If the engine overheats do not turn it off immediately Suddenly stopping an overheated engine can result in a steep rise in the coolant temperatures and the seizure of running parts First leave the engine idling to allow the hot areas in the engine to cool down then gr...

Page 14: ...sted in this manual The use of any other fuel oil or coolant can result in higher maintenance costs and can reduce the engine service life 2 Be sure to perform pre start inspection and periodic service on items specified in this manual Improper inspection or service is dangerous and could result in damage to the engine injury or death 3 At the end of each day of operation check the engine for brok...

Page 15: ...ore starting the engine again 2 If the engine overheats a warning light will come on and at the same time the engine will stop When this happens do not ever add coolant to the overheated engine First allow the engine to cool down then add the coolant gradually 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 cau...

Page 16: ... filter Paper element type Oil capacity FULL level EMPTY level l Exclusive of oil filter capacity 0 5 l Shallow type oil pan 3 7 2 3 Deep type oil pan 5 7 3 1 Shallow type oil pan 5 5 3 7 Deep type oil pan 7 6 4 2 FUEL SYSTEM Fuel injection pump Bosch M Nozzle Throttle type Fuel injection pressure 140 kgf cm2 Fuel to be used Diesel fuel see chapter 7 Governor Centrifugal weight type INTAKE SYSTEM ...

Page 17: ... SIDE VIEW Fuel injection nozzle Air inlet cover Coolant drain plug Dipstick REAR LEFT SIDE VIEW REAR FRONT Thermostat Hanger Alternator Fan V belt Oil pan Exhaust manifold Flywheel Fuel injection pump Crankshaft pulley FRONT Oil filter Oil filler Oil filler Hanger Stop solenoid Fuel filter Oil pressure switch Oil drain plug Thermoswitch Starter Flywheel housing ...

Page 18: ...lter Crankshaft pulley FRONT Hanger Fuel injection nozzle Air inlet cover Oil drain plug REAR Stop solenoid RIGHT SIDE VIEW LEFT SIDE VIEW REAR FRONT Fan Alternator Thermoswitch Hanger Thermostat Flywheel Turbocharger Exhaust manifold Flywheel housing Starter Dipstick Coolant drain plug Fuel filter Oil pressure switch Fuel injection pump Oil filler V belt Oil pan ...

Page 19: ...DE VIEW Fuel injection nozzle Air inlet cover Coolant drain plug Oil pressure switch Oil filter REAR LEFT SIDE VIEW REAR FRONT Thermostat Thermoswitch Alternator Fan V belt Oil pan Flywheel Crankshaft pulley Oil filler Dipstick FRONT Exhaust manifold Starter Air vent screw Oil filler Hanger Stop solenoid Fuel filter Oil drain plug Flywheel housing Hanger ...

Page 20: ...p Dipstick Crankshaft pulley FRONT Hanger Fuel injection nozzle Air inlet cover Fuel filter REAR Stop solenoid RIGHT SIDE VIEW LEFT SIDE VIEW REAR FRONT Fan Alternator Thermoswitch Hanger Thermostat Turbocharger Exhaust manifold Starter Flywheel housing Oil filler Air vent screw Oil pressure switch Oil filter Oil drain plug Flywheel Oil pan V belt ...

Page 21: ...ULL mark in the sight gauge 5 1 4 Check the coolant level Maintain the coolant level to the FULL mark on the reservoir tank when the engine is cold Add coolant when necessary NOTE The engine should be put in the horizontal position to check the oil level The dipstick should be withdrawn wiped clean re inserted in the oil level guide for 2 seconds and again withdrawn so that the oil level on the di...

Page 22: ...ximately 6 seconds Do not use the glow plugs for more than 15 seconds at a time 3 Turn the key to the START position and release the key when the engine starts The key will return to the ON position when released 4 Move the speed control lever to the idling position Glow plug type Coolant temperature Heating time Quick heating type Below 5 C 41 F About 3 seconds Above 5 C 41 F About 1 second Stand...

Page 23: ...in carbon deposits in the combustion chambers and incomplete fuel combustion WARNING Stay clear of all rotating and moving objects during the operation At operating temperature the engine is very hot Any contact with the engine can cause severe burns Warm up CAUTION Always keep the engine room well ventilated Unless it is properly ventilated the air supply will be inadequate resulting in lack of a...

Page 24: ...utomatically CAUTION Leave the engine idling for 5 minutes This allows hot areas in the engine to cool down gradually which extends engine life While the engine is still running make a walk around inspection and check for oil fuel or coolant leaks If the engine stops abruptly try to find the problem and its source and make the necessary repairs before starting it again After starting the engine ch...

Page 25: ...21 Check fuel level 21 Check coolant level 21 Every 50 Service Hours Drain water and sediment from the fuel tank and water separator 26 Check the battery electrolyte level and specific gravity 26 First 50 Service Hours of New or Reconditioned Engine Change engine oil See SPECIFICATIONS page 16 27 Change oil filter 27 Retighten nuts and bolts Every 100 Service Hours Clean fuel filter element After ...

Page 26: ... necessary 2 Test the specific gravity of the battery electrolyte with a battery hydrometer The following chart of specific gravity reading gives a general idea of the battery condition When Required Prime fuel system 31 Clean air cleaner element 31 Change air cleaner element 31 Interval Item Remarks specifications Page Table 3 Lubrication and maintenance charts DANGER Do not smoke while draining ...

Page 27: ...aining oil To avoid burns drain the oil after the engine has cooled down to the extend that it can be touched with your bare hands Allow the oil to drain into a container 6 3 2 Changing the oil filter 1 Remove the used oil filter with a filter wrench 2 Make sure that the formerly used packaging is removed from the filter base and clean the base with a clean cloth 3 Check the new oil filter and mak...

Page 28: ... 3 Remove and discard the filter element 4 Put the new filter element in the cup and install the cup making sure the O ring is properly fitted into place Tighten the ring nut 5 Turn the valve to the ON position and prime the fuel system see page 31 for priming Cartridge type fuel filter 1 Change the filter if water and sediment have been collected in the filter 2 After changing the filter prime th...

Page 29: ...or smooth rotation If the alternator fails to rotate smoothly consult your Mitsubishi dealer 6 6 Every 2 years 6 6 1 Change coolant Long Life Coolant LLC used in your engine retains its efficiency for 2 years Be sure to change the coolant every 2 years 6 6 2 Draining 1 Start and operate the engine until the coolant temperature is 70 C to 80 C 158 F to 176 F Then stop the engine 2 Remove the filIer...

Page 30: ...lean water and operate the engine at 800 to 900 rpm for 10 minutes Continue to flush the system until the draining water is clear 6 6 4 Refilling 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 4 Pour pure undiluted LLC into the radiator see COOLANT AND ANTIFRE...

Page 31: ...ed for the first time after installation 2 After the engine has been refueled after running out of fuel 3 After the fuel filter element has been cleaned or replaced 6 7 2 Procedure Fuel filter with air valve 1 Turn the valve lever to the AIR position and feed the fuel 2 If the fuel flows free of bubbles through the fuel return pipe turn the valve lever to the ON position Fuel filter with air vent ...

Page 32: ...e the air cleaner when the engine is running Without the air cleaner dust and dirt can enter the engine and can cause rapid wear of the engine parts resulting in loss of power and high oil consumption 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 ...

Page 33: ... incoming fuel will drive out the moisture laden air and prevent condensation Before starting the engine after 50 service hours remove the drain plug and drain off any sediment or water which may have accumulated 7 3 Caring for the fuel supply It is important to buy clean fuel and keep it clean Natural settling is an effective method of cleaning fuel Allow the fuel to stand for at least 10 days in...

Page 34: ...re cranking effort thus standing in the way of achieving sufficient cranking speeds for reliable starting and affecting engine life 8 2 Recommended oil viscosities There are two important considerations related to satisfactory engine operation under ambient temperature conditions 1 the ability to crank the engine fast enough to assure starting and 2 adequate lubrication of internal wearing surface...

Page 35: ...ar to moving parts It is best to stick with the same brand and one type of oil at successive service intervals A oil B oil NOTE Oil change intervals depends on the fuel properties Be sure to use the recommended fuels only The limit of total base number is 1 2 of that of a new oil in case of a perchloric acid analysis method Property Unit Test Method Limit Viscosity cSt 100 C 212 F JIS K 2283 30 15...

Page 36: ...tc all being derivatives of ammonia NH3 are contained Silicate and borate are not contained Close to neutral on the pH scale and hence slightly basic alkaline Balanced additive ingredients some being substitutes for amines Long life the coolant with 30 concentration for example retains its effectiveness for more than 2 years NOTE Harmful chemical properties and substances contained in water as coo...

Page 37: ... steel aluminum copper solder and rubber are also subject to severe servicing These materials differ in ionizing tendency and this difference promotes cavitation and deterioration through the medium of engine coolant The ideal of breaking the link between cause and effect to preserve the circuit can be realized by using LLC 9 5 How LLC works LLC contains several chemicals in such proportions as to...

Page 38: ... precipitates and deposits itself on a surface of Fe a base metal relative to copper The copper deposit introduces a localized galvanic cell which by its ionic action rapidly eats into the Fe surface to result in a pit Case 2 A silicate there are several types of silicate is highly effective in protecting aluminium against rusting This compound of silicon is unstable in a solution whose pH is 9 or...

Page 39: ...battery to the engine 3 Remove the covers from the starter and the alternator 4 Adjust the fan belt 5 Remove the covering and the taping from the various ports 6 Drain the preservative and fill the engine with the recommended engine oil 7 Fill the fuel tank and prime the fuel system 8 Check under and around the engine for items such as loose or missing bolts oil fuel or coolant leaks 9 Remove the ...

Page 40: ...e original parts Use only original parts to replace those that have failed or reached their service limits When ordering specify the needed replacement parts by referring to the Parts Catalogue 11 1 4 Perform servicing work safely Use the right kind of hand tools to carry out each working step in repair work Avoid injury to yourself and damage to the parts by using proper tools When lifting or car...

Page 41: ... Bad quality fuel Change fuel Clogged fuel filter Clean or replace Defective fuel injection pump Repair or replace Defective control timer unit Replace Clogged air cleaner Clean or replace Defective starter or relay Repair or replace Open electrical circuit Repair Not enough power Wrong viscosity grade of oil Change oil Clogged air cleaner Clean or replace Clogged fuel filter Clean or replace Defe...

Page 42: ...epair or replace Wrong injection timing Adjust Wrong fuel cetane number Change fuel Poor compression cylinders piston rings etc worn Repair or replace Too much black or gray smoke Bad quality fuel Change fuel Defective fuel injection pump Repair or replace Defective fuel injection nozzles Repair or replace Wrong injection timing Adjust Clogged air cleaner Clean or replace Wrong valve clearance Adj...

Page 43: ...lication the rating and service hour meter reading of your engine Oil consumption too high Too much oil in engine Drain to correct level Oil viscosity too low Change oil Leaks in lubrication system Repair or replace Worn cylinders and piston rings Repair or replace Worn valve stem seals Replace Oil pressure too low Not enough oil in engine Add oil Oil viscosity too low Change oil Clogged oil filte...

Page 44: ...nex II sub B Ban on putting into service MHI Equipment Europe B V Damsluisweg 2 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 Almere December 17th 2002 R A G L Manders General Manager Engin...

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