6M19 Operation Manual
6M19 Operation Manual
Dear Customer,
Congratulations and thank you for purchasing a Baudouin Generating set diesel
engine. We believe we make the best Diesel engines and each time you purchase
Baudouin engine, you reaffirm your confidence on us.
SECTION I
SAFETY REGULATIONS.................................................................... 1
1.1 General Instructions................................................................... 1
1.2 Correct use................................................................................. 1
1.3 Modifications or conversions...................................................... 1
1.4 Spare parts................................................................................. 1
1.5 Reworking of components.......................................................... 1
1.6 Safety regulations for startup and operation............................... 2
1.6.9 Prevention of harms caused by engine emission................ 2
SECTION II
ENGINE SPECIFICATION................................................................... 3
2.1 Engine Description..................................................................... 3
2.2 Main Technical Specification of 6M19 G-Drive Diesel Engine.... 4
2.3 Specification of Main Components............................................. 5
2.4 Identifying the engines from name plate..................................... 6
2.5 Engine Model Identification........................................................ 6
SECTION III
OPERATING INSTRUCTION............................................................... 7
3.1 Safety precautions for operation of diesel engine...................... 7
3.2 General instructions.................................................................... 7
3.3 Preparation for first start............................................................. 7
3.3.1 Cooling system.................................................................... 8
3.3.2 Lubrication system............................................................... 9
3.3.3 Checking the oil level........................................................... 9
3.3.4 After an extended storage.................................................... 10
3.3.5 Pre-lubricating the engine.................................................... 10
3.3.6 Fuel system.......................................................................... 11
3.3.7 Priming the fuel system........................................................ 12
3.3.8 Fuel returning....................................................................... 12
3.3.9 Air intake system.................................................................. 13
3.3.10 Exhaust system.................................................................. 13
3.3.11 Electrical system................................................................ 13
3.3.12 Engine starting and stopping............................................. 16
3.3.13 Running in period............................................................... 19
3.4 Regular operation....................................................................... 19
3.4.1 Engine starting and warm up............................................... 20
3.4.2 Monitoring the engine oil...................................................... 20
3.4.3 Monitoring the engine coolant.............................................. 20
3.4.4 Monitoring the exhaust gas.................................................. 21
3.4.5 Engine shutdown..................................................................... 22
SECTION IV
PERIODIC MAINTENANCE................................................................. 24
4.1 Safety precautions...................................................................... 24
4.2 Importance of periodic maintenance.......................................... 24
4.3 Replacement of parts and components...................................... 24
4.4 Reliability of parts....................................................................... 25
4.5 Safe use of oil and fuel in a diesel engine.................................. 25
4.6 Disposal of used oil or fuel......................................................... 25
4.7 Periodic Maintenance instructions.............................................. 28
4.7.1 Check air filter...................................................................... 28
4.7.2 Cleaning air filter.................................................................. 28
4.7.3 Replacement of engine oil and filters................................... 28
4.7.4 Replacement of fuel filter..................................................... 30
4.7.5 Air bleeding from fuel system............................................... 30
4.7.6 Adjustment of Poly V-belt Tension........................................ 30
4.7.7 Adjustment of Valve Clearances.......................................... 31
4.8 Maintenance Recommendation.................................................. 33
4.9 Tightening Table And Torque Value For Main Fasteners............ 37
4.10 Recommended Standard Torque Values For Bolts.................. 37
4.11 Trouble Shooting Guide For 6M19 Series G-Drive Engine....... 39
4.11.1 Shutdown shortly after starting Inadequate power............. 39
4.11.2 Inadequate power.............................................................. 40
4.11.3 Excessive fuel consumption............................................... 40
4.11.4 Black smoke in exhaust..................................................... 41
4.11.5 White smoke and blue smoke in exhaust........................... 41
4.11.6 Oil gathering at turbocharger air inlet and air inlet pipe..... 42
4.11.7 Unstable speed.................................................................. 42
4.11.8 Excessively low oil pressure.............................................. 42
4.11.9 Excessively high coolant temperature................................ 43
4.11.10 Parts wear too fast........................................................... 43
4.11.11 Excessive noise................................................................ 44
4.11.12 Insufficient output of starting motor.................................. 45
4.11.13 No power generated by alternator.................................... 45
4.11.14 The battery cannot be charged fully through alternator... 45
SECTION - V
LUBRICANT AND COOLANT SPECIFICATIONS.............................. 47
5.1 Lubricant..................................................................................... 47
5.1.1 The functioning of lubricating oil in a diesel engine............. 47
5.1.2 Engine oil consist of............................................................. 47
5.1.3 Why oil should be drained.................................................... 47
5.1.4 How engine oil performance is getting deteriorated............. 47
5.1.5 Oil performance classification system.................................. 48
5.1.6 SAE viscosity recommendations.......................................... 48
5.2 Engine oil recommendations for Baudouin engines..................... 48
5.3 Grease Recommendations......................................................... 49
5.4 Coolant....................................................................................... 50
5.5 A good coolant should have following properties....................... 51
SECTION I
SAFETY REGULATIONS
1 Go to CONTENT
1.6 Safety regulations for startup and operation
1.6.1 Before installing or operating the engine, the operator should carefully read
Go to CON
and understand the content of this manual to get familiar with the engine
structure, correct operation and maintenance procedures.
1.6.2 This diesel engine is a high speed rotating machinery. When the engine is
in operation, do not touch any moving parts
1.6.3 Tampering with the fuel injection and electronic system could affect engine
power output and threat to engine safety. Any attempt, to tamper which
will void the warranty and the company will not be responsible for any injury
due to alteration.
1.6.4 If the engine is new or overhauled with major parts (in either case), In such
condition , Engine should run 1 hour by following / as per procedure.
1.6.6 Always use recommended lubricant and coolant. The company recommends
to use premixed coolant for better protection of engine cooling system.
1.6.7 Never operate the engine without air filters. Inducting un-filtered air to
the combustion system will shorten engine life and adversely affect the
engine performance.
1.6.8 Any service or repair related to the electrical system must be carried out by
a trained electrical/electronic professional.
1.6.9 Prevention of harms caused by engine emission
It is absolutely prohibited to operate the engine in a closed room without
proper ventilation, because exhaust gas from engine emission is toxic,
which is harmful to human health.
Go to CONTENT 2
SECTION II
ENGINE SPECIFICATION
The fuel injection pump is mounted in the gear case cover. The fuel injection
pump conforms to requirements for latest emissions. If any adjustments to the fuel
injection pump timing and high idle are required you must refer to your Baudouin
authorized service Centre. Some fuel injection pumps have mechanical governors
that control the engine speed. Some fuel injection pumps have a governor that is
electrically controlled.
A gear rotor oil pump is located in the center of the idler gear. The engine oil pump
sends lubricating oil to the main oil gallery through a pressure relief valve and
an engine oil filter. The rocker arms receive pressurized oil through an externally
located oil line that runs from the main oil gallery to the cylinder head.
Coolant from the bottom of the radiator passes through the belt driven centrifugal
water pump. The coolant is cooled by the radiator and the temperature is regulated
by a waxen thermostat valve.
Engine efficiency, emission controls, and engine operation life is directly dependent
on correct operation and maintenance as recommended by the company.
Engine performance and efficiency also depend on the use of recommended fuels,
lubrication oils, and coolants. Read the manual carefully to get familiarized with the
engine and its operation and maintenance procedure.
3 Go to CONTENT
2.2 Main Technical Specification of 6M19 G-Drive Diesel Engine
SR. DESCRIPTION OF
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MODEL WISE DETAILS
NO. SPECIFICATION
1 Engine Model 6M19D235E33 6M19D290E33
2 Power Rating (kW) 235 290
3 Rated Speed(RPM) 1500
4 Compression ratio 17 : 1
5 Aspiration NA/TCI TCI
6 Type, number of cylinders 6
7 Swept Volume (Ltrs) 11.596
8 Bore x stroke (mm) 126×155
9 Injection timing 18
10 Firing order 1-5-3-6-2-4
11 Fuel type High Speed Diesel
12 Lube oil sump capacity (Ltrs) 32.5
Lube oil temperature at normal
13 85 - 105 Degree C
working condition (°C)
14 Cooling method Water Cooled
Go to CONTENT 4
2.3 Specification of Main Components
Model 6M19
Type Mechanical Pump
Injection pump
Governor Electronic
Type 612630090022
Holder No. multi-hole
Injector type
Nozzle No. 7
Nozzle hole diameter(mm) 0.235
Type gear
Oil pump Speed (r/min) 2375
Flow rate (L/min) 180
Type centrifugal
Water Pump Speed (r/min) 3450
Flow rate (L/min) 550
Fuel filter Type closed type rotating filter
Air filter Type dry
Oil filter Type spin -on
Type wax
Thermostat start open temp 76-full
Model
open88
Type three-phase alternator
Starting motor Voltage (V) 24
Power (KW) 5.4
Voltage (V) 28
Charging Alternator
Power (KW) 1.5-2
5 Go to CONTENT
2.4 Identifying the engines from name plate
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MODEL NO.
SERIAL NO.
ORDER NO.
POWER-SPEED kW 290
6M19G3205E3
DHP12D0032
T.A.C.NO.
6 M 19 G 320 5E3
Emission Norms
Power Rating
Application Code
No. of cylinder
Go to CONTENT 6
SECTION III
OPERATING INSTRUCTION
System-wise checks
Carry out a system wise check to avoid any mistakes or points left out before the
first start of engine.
7 Go to CONTENT
3.3.1 Cooling system
System Capacity - 47 Liters
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Make sure the main drain valve of the fresh water cooling system is properly closed.
Refer the figure 3.1
Figure 3.1
The coolant can be filled in the Radiator by removing the pressure cap provided
on the top of the radiator tank (figure 3.2) and slowly fill the cooling system with
recommended coolant (figure 3.3 and 3.4).
Slowly filling the coolant will help the air to escape without trapping in the system.
For detailed coolant specification, refer section V.
Figure 3.4
Go to CONTENT 8
3.3.2 Lubrication system
Sump Capacity: 32.5 Liters
Check and drain out the preservation oil from the sump. After draining, fix the drain
plug properly. Engine oil can be filled from the filling port provided on cylinder head
cover. Refer figure 3.5, 3.6 and 3.7
Figure 3.7
Fill up the engine oil up to the correct level. Recap and firmly tight the oil filler cap.
For detailed lube oil specification, refer section V.
9 Go to CONTENT
Oil dipstick
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H H
H
OK OK
L L L
OK
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Figure3.10 Figure3.11
Figure3.12
11 Go to CONTENT
3.3.7 Priming the fuel system
Operate the hand priming pump (lift pump) provided on the Fuel Injection Pump
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(FIP) for several times till the low pressure system get pressurized (figure 3.13).
Remove trapped air from the system stage by stage. The fuel filters, FIP and the
high pressure line is filled with fuel when assembled and tested in the factory. In
normal case, no air bleeding is required after the FIP.
Figure3.13
Go to CONTENT 12
3.3.9 Air intake system
This system is assembled in the factory and taken necessary performance trial.
However make sure the tightness of all clamps in the system. Also make sure there
is no blockage in the air filter inlet mouth.
13 Go to CONTENT
3.
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PRESSURE SENSOR CUM SWITCH: A resistive type pressure sensor cum
switch is used in the lube oil system which is mounted on the main oil gallery.
The controller will monitor and display engine oil pressure according to the
change in resistance of the sensor. The measuring range of the sensor is 0-10
Kg/Cm2
Go to CONTENT 14
6. ACTUATOR: The actuator is installed in the engine, its installation location
and method depend on specific circumstance, we recommend installing the
actuator produced by For trust with the pump in an integration installation way,
but under some special circumstances or some specific requirements, you can
also use the way of external installation.
The output shaft of the actuator and the injection pump rack of the engine
joint directly, with output in a straight line and the output displacement of 10-
30mm.After installation, the initial position shall guarantee that the pump can
have fuel cut reliably and the pump rack stroke and the actuator stroke shall
cooperate well. Generally, it is required to ensure the stroke from fuel cut to
fuel full to be about 75% of the actuator’s working stroke. There are several
connecting ways between output connecting rod of the actuator and the pump
rack, which must ensure there is no jam or slippage after installation. The
installation shall realize the purpose of no clearance transmission between the
output connecting rod and pump rack.
L1N 239V
L2N 238V
L3N 240V
Auto
For more information about the controller please refer the operation manual
supplied by the OEA.
8. SPEED CARD CONTROLLER: The speed controller C1003 is usually
installed in the control cabinet where there is no strong impact vibration and
electromagnetic interference, or fixed on the outer equipment’s in other similar
places of the engine; you shall choose the location with dry air and appropriate
15 Go to CONTENT
temperature to install; the speed controller has the moisture proof processing,
but still have to prevent from water, fog or coagulation; when installation , it
shall be far away from the high temperature and thermal radiation to avoid
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the damage of engine components. it shall be installed vertically under the
moisture condition; special shielding device shall be used under the condition
with huge electromagnetic field.
Manual Mode
Starting: Switch on the power supply to the controller. Ensure that the battery is
healthy and power supply voltage is 12V. Check the warning, fault and timer status
on the controller display. Clear the faults if any, before the starting attempt. (Refer
the controller manual for details)
Press the start button; the signal will pass to starter motor relay and crank the
engine at desired minimum cranking speed. Normally the engine should start at
first attempt. However if the engine is idle (not started) for long period, repeat the
starting procedure 3-4 times. Between every starting attempt, there should be a
time delay of 30 - 60 seconds. If the engine is not started within 3-4 attempts, stop
the attempt, check and rectify the cause of starting trouble.
After starting the engine, pay attention to the operation parameters such as lube
oil pressure and engine speed. The parameters should be stable and achieved
the minimum required value as mentioned in the parameter table. Also check the
engine for any leakages or abnormal sound, vibration, smoke etc. Then increase
the speed from idle to rated speed. Apply the load gradually.
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Stopping: Before stopping the engine, make sure the load is completely removed
from the engine. Then bring down the engine speed from rated to idle (1500 to
750RPM). Run the engine in the idle speed for 2-3 minutes. Then press the stop
button. The controller will send a stop signal to the stopping device. The stop
solenoid will get energized for 15 sec and pull the fuel shut off lever to the stop
position. The stop solenoid will get de energized after the preset timing.
Auto mode:
Starting: The auto mode starting is a pre-defined activity used in AMF application.
For automatic/ Self-switching Gen-set, the gen-set will stimulate mains power
failure after the gen-set is switch to auto mode
Do not press the start button when the engine is running. It will
damage flywheel ring gear and starter motor pinion gear.
17 Go to CONTENT
ACT
ACT ELECTROMAGNETIC
ACT ACTUATOR
-- AUX.
SPEED ADJ.POT.
SPEED
SPEED
RATED
RATED / IDLE SW
IDLE
Go to CONTENT
ACT+
ACT-
GLP
MPU-
SPEED SENSOR
MPU+
GLP
AIR INTAKE
HEATER/DC
CONVERTER
WIRING DIAGRAM FOR 6M19
18
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3.3.13 Running in period
The engine components are made of materials with different thermal expansion
and stability. It should gradually bring to the thermal stability during the initial stage
of operation. First 60 hours of operation is considered as running in period. During
this period, engine needs to be run with care at normal load (80 to 85% maximum).
Aggressive operation and over loading during running in will disturb thermal stability
and leads to shortened engine life.
19 Go to CONTENT
Record basic engine parameter during early life of the engine.
Monitor every parameter during routine inspection and maintenance.
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Gradual drop in oil pressure is the indicator of progressive wear
in internal parts. If any abnormal change in parameter is noticed,
shutdown the engine immediately. Find out and rectify the cause of
trouble before restart.
Never operate the engine with very low or very high oil level (Refer
CAUTION dipstick mark)
Go to CONTENT 20
Do not check oil or coolant level while engine is running
OK OK
CAUTION
21 Go to CONTENT
3.4.5 Engine shutdown
Caution for operation
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After starting the engine, let it run at idle speed for a few minutes (2-3 minutes),
then run at rated speed and apply a partial load.
Apply full load only when the fresh water outlet temperature is higher than 60°C,
and oil temperature is higher than 50°C. Increase the load gradually. Avoid sudden
application or removal of load.
In normal operation of the engine, it is allowed to operate continuously at described
rated power. However, the permissible over-load is 110% of the rated power.
Duration for permissible overload is strictly limited to 1 hour within every 12 hours.
Mixture of different grade or brands of engine oil is strictly prohibited. During
operation, always pay attention to the parameter values displayed on the panel
and observe the performance of various systems. . Even though proper and regular
inspection and maintenance practices will eliminate the chances of breakdown,
carefully check the engine for water leakage, air leakage, oil or fuel leakage during
the operation. Stop the engine if any leakage is found, and rectify the trouble.
Engine economy balancing tips
Go to CONTENT 22
Before most of the failure, engine will develop early warning in the
form of abnormal sound, changes in parameter and performance
or engine appearance. Close monitoring of the engine will help to
detect the failure in the preliminary stage.
Few signs, to look out for are as below:
‒ Leakage of oil fuel, coolant compressed air or exhaust gas
‒ Color change in exhaust gas
‒ Rise/drop of pressure and temperature
‒ Excessive vibration
‒ Sudden unusual noise
‒ Misfiring of engine
‒ Rise in oil/fuel consumption
‒ Power loss
23 Go to CONTENT
SECTION IV
PERIODIC MAINTENANCE
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Baudouin engines are designed for high reliability and long life. The engines are
built to withstand operational environment in various altitude and climatic condi-
tions. Preventive maintenance is the cost effective and economical way to reduce
the operational cost of a diesel engine. If the preventive maintenance is carried out
as per schedule by a trained technician, downtime and costly breakdowns can be
eliminated.
The maintenance schedule is defined by the actual operating environment of the
engine. The maintenance schedule given in table 4.1 is for ideal operating condi-
tion. In case of heavy dust or adverse operating environment, the frequency of the
maintenance must be increased.
Go to CONTENT 24
It is allowed to use only genuine spare parts on the engine which
is procured from a reliable outlet of the engine manufacturer. If the
customer has installed non-genuine parts or sub-assemblies, the
Customer should take the responsibility and bear all the cost of
damage to engine which may subsequently damage and cause
injury to persons. In such cases the engine is out of legal scope of
product warranty.
Hot oil and hot components can cause personal injury. Do not allow
hot oil or hot components to contact the skin.
25 Go to CONTENT
1. In case of standby application of the Diesel Generating set, it
is recommended to run the engine on rated speed for 10-15
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minutes every 7 days.
2. Kindly ensure to contact our authorized service center to avail
the free services.
3. Consumables and material cost to be borne by the customer.
4. Always trust and use recommended lubricant and coolant
procured from Authorized service center only.
5. Use 15W40 CI4+ Grade Engine Oil
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4.7 Periodic Maintenance instructions
4.7.1 Check air filter
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Cleaned air is playing a major role for the optimum engine performance and life of
internal components. Periodically check, clean and replace the air filter to ensure
optimum performance and maximum life.
It is not allowed to use the engine without air filter, otherwise the
dust and impurities will cause aggressive wear of the internal parts.
Figure 4.1
Go to CONTENT 28
After the engine oil is drained off completely, carefully inspect the
magnetic part of the drain plug for accumulation of metal particles.
Accumulation of various metal particles is the indication of abnormal
wear of internal components. If metal particle accumulation is
noticed, Carry out necessary inspection before proceeding to the
next step.
Remove the oil filter with the help of special filter wrench. Let the oil drain out
completely from the filter housing. Take new oil filter and confirm the seal ring is
positioned on the filter mating face. Fill up sufficient quantity of fresh oil in the filter
and lubricate the sealing ring face. Position the filter and tight it on the housing by
hand. Use the filter wrench and gently tight the filter on its housing with the help of
filter wrench.
Recap the drain plug and properly tighten it with the help of suitable spanner. Fill
up the recommended engine oil up to specified level through the filling port. Check
and confirm the sump oil level with the help of dipstick provided on the crank case.
Start the engine and run it for a short period (3-4 minutes).during running check
and ensure no leakage from the filter sealing and sump drain plug. Stop the engine
and check the oil level after 5 to 10 minutes; top up if required.
in
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Ba
29 Go to CONTENT
4.7.4 Replacement of fuel filter
Use the filter wrench to loosen and retighten the filter. Use a suitable tray under the
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filter location to collect diesel spillage during removing the filter. Loosen and remove
the filter. Refer figure 4.5 Let the fuel drain completely from the filter housing. Wipe
the sealing surface with a clean cloth, then position new diesel filter on housing.
Firmly tight the filter on its body with the help of filter wrench.
Go to CONTENT 30
Figure 4.8 Figure 4.9
Figure 4.10
Preparation:
Adjust the clearance only when the engine is stopped and cold. (≤ 50°C)
Required Valve clearance Inlet valve: 0.30 mm Exhaust valve: 0.40 mm
Method:
Remove the cylinder head cover. Turn the crankshaft until the mark of the top dead
center of the first cylinder on the crankshaft pulley aligns with the pointer of the
timing indicator (see fig 4.11).
31 Go to CONTENT
Go to CON Figure 4.11 Figure 4.12
When the piston of the first cylinder is at its top dead center on the compression
stroke, both intake and exhaust valves of the first cylinder will be in the closed
position. In this position, check the valve clearances as per the sequence mentioned
in below table, step-1. After completing the first step rotate the crank shaft for 360°
and follow step -2 from the 6th cylinder.
If the valve clearance is found incorrect, follow the adjusting sequence as mentioned
here. Loosen the lock nut of the clearance adjusting screw with the help of spanner
and hold it. Loosen the adjusting screw with the help of a screw driver and insert
the correct feeler gauge. Screw in or out the adjusting screw until the feeler gauge
inserted between the rocker arm and the top surface of the valve stem feels neither
too loose nor too tight. Then tighten the lock nut and check the clearance again.
Readjust if necessary till it is properly set. Repeat the operation if required of other
cylinders. Once the checking and adjustment is completed, relocate the cylinder
head cover with a new gasket.
CYL. NO 1 2 3 4 5 6
STEP- 1 I E I - - E I - - E - -
0.20
0
0.3
.
Figure 4.13 Figure 4.14
Go to CONTENT 32
0.20
0
0.3
.
Figure 4.15 Figure 4.16
Rotate the engine 360° - match the OT mark to the pointer. Adjust the clearance in
the following order. (Refer figure 4.20)
Figure 4.17
CYL. NO 1 2 3 4 5 6
STEP- 1 - - - E I - - E I - I E
33 Go to CONTENT
4.8 Maintenance Recommendation
The major maintenance is depends on main factor like routine inspection and
maintenance, quality of fuel, lubricant and coolant, atmosphere etc. Considering
the ideal situation, periodic maintenance chart is prepared (refer table 4.2)
ABBREVIATIONS: A- Adjust, C- Clean, I-Inspection, M- Monitor, R- Replace,
S- Service, CAL- Calibrate, MS- Major Service
LUBE OIL
2 C
STRAINER
3 OIL PUMP M M M M M M M
PRESSURE
8 I R
RELIEVE VALVE
TURBO CHARGER
10 I I I
OIL SUPPLY LINE
TURBO CHARGER
11 I I I
OIL RETURN LINE
ELECTRICAL
2 M M M M M M M
MOTORIZE PUMP
CAL&
4 INJECTOR NOZZLE M I CAL
MS
RETURN LINE
5 I R R
FLEXIBLE HOSE
34
Maintenance Interval (hours)
AIR FILTER
1 I C&I REPLACE ON EVERY 1000 HOURS
ELEMENT
HOSES AND
4 I I I I I R R
CLAMPS
EXHAUST
1 I I I
MANIFOLD
1 COOLANT M M M M M&I R R
COOLANT WATER
2 I R
PUMP
4 THERMOSTAT M I R R
FLEXIBLE HOSES
8 R R R
AND CLAMP
FUEL WATER
9 M M R R R R R
SEPERATOR
2 VALVE SEAT I I R
3 VALVE GUIDE I I R
4 COLLETS I I R
CYLINDER
6 5 SEALS I R R
HEAD
6 SPRING SET I I I
WATER JACKET
7 I I R
DUMMY
8 FASTNERS I I
35
Maintenance Interval (hours)
1 PUSH ROD I I
ROCKER ARM
2 I I
ASSEMBLY
CHECKING &
7 Valve Train 3 ADJUSTING VALVE C&A C&A C&A
CLEARANCE
CHECKING &
ADJUSTING
4 C&A C&A
VALVEBRIDGE
CLEARANCE
1 PISTON I R
2 PISTON PIN I R
4 CYLINDER LINER R R
CONROD SMALL
6 I R
END BUSH
8 CONROD I R
BEARINGS RELAT-
3 R
ED TO GEAR TRAIN
CRANK CASE
- CAM SHAFT - 4 OIL SEALS R R
9
CRANK SHAFT
- GEAR TRAIN 5 TAPPET I I
6 CAM SHAFT I
7 CRANK SAHFT I
9 FASTNERS I
36
35
Maintenance Interval (hours)
2 BELT PULLEY I I I
FLEXIBLE HOSES
3 C C C C R R
AND CLAMP
SET OF O RINGS
4
AND GASKETS REPLACE ON WHEN REMOVE
OTHERS SUB
10
ASSEMBLIES
5 STARTER MOTOR M M M I I&S I&S
ENGINE CON-
7 M M M M M M
TRILLER
8 WIRE HARNESS M M M I I I
B: When sulfur content of fuel with is 0.5~1.5%, the oil drain period shall be half of
that under normal operation condition.
C: In adverse operating condition with A+B, the oil drain period shall be one fourth
of that under normal operating condition.
36
4.9 Tightening Table And Torque Value For Main Fasteners
Description Tightening torque(N-m)
Main Bearing Bolt 140Nm + 210* Deg
Connecting Rod Bolt 115 Nm + 90* Deg
Cylinder Head
Main Bolt : 60Nm + 120* +120* Deg
Final Torque : 340 Nm
Auxiliary Nut: 20Nm + 120* + 120*
Deg
Friction
0.125(Galvanization) 0.14(Bright)
Coefficient
Strength
6.9 8.8 10.9 12.9 6.9 8.8 10.9 12.9
Rating
Bolt
Recommended torque N-m
Specifications
M8×1 21 25 35 42 23 27 38 45
M10×1.25 41 49 66 82 44 52 73 88
Table 4.4
37 Go to CONTENT
Main bearing bolts tightening sequence Cylinder Head main bolt tightening
sequence
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Banjo Bolt Torque Recommendation
Bolt Torque
Types of Bolt Material
Specifications developed(Nm)
M10x1.0 Copper Bolts (13±2)N-m
M10x1.0 (21±3)N-m
Hollow hex head
M14x1.5 (27 ±3)N-m
bolt torque Steel bolts
M16x1.5 (40 ±5)N-m
M6x1 (6±1)N-m
M10 20±3
M12 28±3
Hollow bolt flange Steel bolts
M14 32±3
M16 36±3
TABLE 4.5
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SR NO DESCRIPTION COLOR USAGE AND APPLICATION
Apply on the surfaces on pipe
and junction for fixing; for
5 Loctite275 Green example, apply on the surface
of water outlet pipe and heating
water inlet pipe.
Apply it on the bright metal
surface to play a sealing role For
Red
6 Loctite510 example, apply it to the faying
(orange)
surface between cylinder block
and crankcase
Apply on cavity or passage for
sealing between element and
7 Loctite277 Red hole. For example, Bowl shaped
plug matching cylindrical
surface.
Apply it on the bright metal
surface to play fixing role For
8 Loctite648 Green
example: Tension pulley bearing
bore and shaft outer surface.
TABLE 4.6
39 Go to CONTENT
4.11.2 Inadequate power
Go to CON
Check air filter and intake pipe, clean or
1. Intake system (air filter) clogged
replace The filter.
Check valve timing, check the exhaust pipe
2. Excessively high exhaust back pressure
for Blockage, adjust and repair.
3. Insufficient pressure in turbocharger Check and eliminate leakage at pipe
system connections
4. Turbocharger works abnormal Replace the assembly.
4.1 Compressor, turbine flow passage
Clean or replace
clogged
4.2 Floating bearing failure Replace
4.3 Carbon or sludge deposit in the back of
Clean
turbine and compressor
5. Damage, blockage or air leakage of
Replace or repair
intercooler
Check fuel pipe and joint for tightness,
check filter and fuel pipe for contamination,
6. Leakage or blockage of fuel line
repair or clean Blockage and replace filter
element.
Clean fuel tank, filter element and fuel pipe,
7. Poor fuel quality
and Change the fuel.
Check the oil dipstick, and drain excessive
8. Engine oil level in oil pan too high.
oil.
9. Gas leaks from cylinder gasket, poor While the diesel engine is hot. Replace the
valve Sealing Damaged cylinder gasket.
10. Worn or broken piston ring, excessive Replace the damaged part or overhaul the
bearing bush clearance diesel Engine.
11. Worn cylinder liner or piston ring or
Overhaul the diesel engine.
cylinder Scuffing
Go to CONTENT 40
4. Leakage in fuel pipe Check and repair
5. Improper valve timing or fuel supplying
Check and adjust.
timing
6. Cylinder gasket leaks air, poor valve While the diesel engine is hot. Replace the
sealing Damaged cylinder gasket.
7. Excessive bearing bush clearance Check and overhaul.
8. Expanded piston stuck in cylinder Replace cylinder liner, piston and piston ring
41 Go to CONTENT
5. Piston ring and cylinder liner lack of
Continue running-in.
running in
Go to CON
6. Piston ring openings failing in staggering Adjust and re-assemble.
7. Failed piston ring Replace
8. Excessive engagement clearance
Repair or replace.
between piston and cylinder liner
9. Worn turbocharger seal ring Check and replace.
10. Worn turbocharger thrust bearing Check and replace
11. Blocked turbocharger oil return pipeline Clean or repair.
4.11.6 Oil gathering at turbocharger air inlet and air inlet pipe
Go to CONTENT 42
3. Blocked or broken oil collector, oil Check oil collector, oil line joint and oil gallery
pipeline and joint gasket, etc. for Cast shrinkage, and repair if necessary.
4. Engine oil grade is not compliant Change oil as required.
5. Oil inlet pipe of oil pump leaks Check oil pipe and joint, repair or replace.
6. Too high water temperature in cooling Check operation of the cooling system, and
system, too high oil inlet temperature correct it.
1. Air filter element damaged Check and replace air filter element.
43 Go to CONTENT
5. Oil passage clogged Clean oil passage.
Go to CON
6. Piston ring broken or worn Replace damaged part.
7. Oil filter element is not replaced timely Replace filter element as required.
8. Worn cylinder liner or piston or cylinder Disassemble piston and cylinder liner,
scuffing check, and Repair or replace.
9. Crankshaft axis is not in line with the axis
Check the mounting bracket, and repair.
of driven shaft
Check for service hours of diesel engine,
10. Part/component is worn excessively
and carry Out overhaul.
Go to CONTENT 44
18. Damaged turbocharger seal ring Replace the assembly.
19. Damaged turbocharger bearing,
collision between rotating part and fixed Replace the assembly.
part
20. Foreign matters come into
Repair or replace.
turbocharger turbine or air compressor
3. The alternator belt is slack Repair and adjust tension force of the belt.
45 Go to CONTENT
4. Damaged rectifier valve of alternator,
Repair.
poor contact of battery terminal
Go to CON
5. Regulator voltage regulated to be too low Make adjustment.
Go to CONTENT 46
SECTION - V
LUBRICANT AND COOLANT SPECIFICATIONS
5.1 Lubricant
5.1.1 The functioning of lubricating oil in a diesel engine
The lubricating oil used in the engine must be multifunctional. It must perform the
primary functions of:
1. Lubrication: Basic function is to reduce friction and minimize the wear and tear.
The engine oil forms a film between the moving parts (such as bearings, pistons,
piston rings, cylinder liners and the valve train) and ensures sufficient lubrication
between the moving parts
2. Cooling: Acts as a media for high heat transfer (from combustion chamber) and
protecting the moving parts from overheating.
3. Detergency: Cleaning pistons and preventing sludge build-up on internal surfaces
4. Prevention from corrosion: Corrosion prevention by neutralizing the acid and
protecting the components from atmospheric humidity by creating a layer.
5. Sealing: By filling in the uneven surfaces in the cylinder wall, valve stems and
Turbocharger oil seals.
5.1.2 Engine oil consist of
Engine oil consists of base oil and additives. Base oil is the most basic raw mate-
rials of engine oil and additives are added for enhancing the oil properties which
is suited for diesel engine applications. Basic additives are viscosity modifiers, an-
ti-wear additives, detergents, dispersant and antioxidant etc.
5.1.3 Why oil should be drained
Engine lubricating oil must be drained when it can no longer perform its functions
in an engine. Oil doesn’t wear out, but it becomes contaminated/ degraded to the
point that it can no longer satisfactorily protect the engine. The engine oil degra-
dation is a normal result of engine operation, where oil properties changed mainly
because of reaction to the combustion by products.
5.1.4 How engine oil performance is getting deteriorated
4. Contamination due to dirt entering the engine through the atmospheric air and
bad fuel.
47 Go to CONTENT
5. Other additive depletion due to reaction which will affect the performance of oil.
Hence the engine oil becomes inefficient after the recommend hours.
Go to CON
5.1.5 Oil performance classification system
Following are the organizations designing and approving oil classification and
specification standards.
API (American Petroleum Institute)
ACEA (Association des Constructers Europeans automobiles - European) ASTM
(American Society for Testing Materials)
JASO (Japanese Automobile Standards Organization)
Multi graded oils are generally produced by adding viscosity index improver
additives to retard the thinning effects that the low viscosity base oil will experience
at engine operating temperatures. Multi graded oils that meet there requirements
of the API classifications, are recommended for use in engines.
It is recommended to use the multi graded lubricating oil with the viscosity grade
as table 5.1
Go to CONTENT 48
4. Optimum lube oil consumption
5. Better emission control
6. Improved detergency for better cleanliness of internal passages and
components
7. Less sludge formation due to improved dispersancy
8. Improved capability on acid neutralization formed during combustion process,
resulting in less corrosion damage in internal engine components.
Hence, we strongly recommend the use of SAE 15W40 lube oil with API CI4+
classification
for all engines to get the various advantages and optimum performance from the
engine.
This oil should have a minimum TBN (Total Base Number) of 10.5 to counteract the
higher Sulphur content of high speed diesel available in India.
The responsibility of meeting oil quality lies with the oil manufacturer
and Baudouin will not be responsible for problems occurring on
CAUTION
engines due to poor quality of oil.
49 Go to CONTENT
Do not mix brands of grease can cause damage to bearings
Excessive lubrication is as harmful as Inadequate lubrication.
Go to CON
CAUTION After replacing fan hub replace both the pipe plugs. Use of fittings
will allow lubricant to be thrown out, due to relative speed.
The responsibility of meeting oil quality lies with the oil manufacturer
and Baudouin will not be responsible for problems occurring on
engines due to poor quality of oil.
5.4 Coolant
An engine coolant is a heat transfer fluid which flows through or around an engine
to prevent it’s overheating, transferring the heat produced by the engine to radiator/
heat exchanger that dissipates it. An operating engine typically converts only one
third of the energy derived through the combustion of fuel into work. The other
two thirds is converted into heat, of which one third goes out with the exhaust and
remaining one third is removed by engine coolant. The coolant absorbs this heat,
transport it to the radiator/heat exchanger and dissipate it into the environment/
atmosphere.
Research has shown that 40% of all engine problems in high speed diesel engines
are related, directly or indirectly, to improper cooling system maintenance.
Select the correct coolant water as per table 5.1
TABLE 5.1
Go to CONTENT 50
GENERAL SPECIFICATION FOR COOLANT
Sr. No. standard Parameter JFL318 JFL-336 JFL-336
1 Glycol content % 33 -10 56
2 Specific weight(15.6°C) 1.05 1.074 1.082
3 Boiling Point(°C) 104.5±1 108.5±1 110.0±1
4 Freezing Point(°C) -18±1 -36±1 -45±1
Minimum temperature for
5 -10 -26 -35
application(°C)
TABLE 5.2
51 Go to CONTENT
Engine Log Book
ENGINE STARTED AT ________ HRS RUN TILL YESTERDAY _______________
ENGINE ALTERNATOR
TIME (HRS.) W. T. L.O.P. L.O.T. RPM VOLTAGE CURRENT HZ PF KW KWh
52
BAUDOUIN SALES AND SERVICE NETWORK
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53