The document provides information on the technology of various non-moving and moving parts of an engine, including the engine block, wet liner, cylinder head, valves, pistons, connecting rods, rings, accessory gear train, balance shaft, lubrication system components, cooling system components, air circulation system, and tightening torques. It includes diagrams labeling the parts and providing specifications.
This presentation includes effective knowledge about Gasoline Engine.
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This presentation includes effective knowledge about Gasoline Engine.
The best thing about the presentation is this it includes many pictures for better understanding.
This is very helpful for students.
Me Majid.
Contact : +923005524644
+923455242696
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
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Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
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𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
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1. Ares 507-607 – 06.2005 – GB A3.3
Technology of non-moving parts
Engine block
111msm00 Fig. 2
This can be identified by:
A cavity within which the oil cooler is fitted.
A interchangeable insert ring in the front camshaft bearing.
The locating keyslot in the bearing cap is positioned differently to distinguish between the two bearing shells.
2. A3.4 Ares 507-607 – 06.2005 – GB
Technology of non-moving parts
Wet liner
The upper flange between the liner and the block
incorporates a slope of 0,5.
A range of shims are available for setting liner
protrusion (A).
The base of the liner is located by 3 seals:
1. Square shaped neoprene gasket fitted on the
sleeve for sealing.
Note: Check location when rebuilding.
2. White O-ring, fitted in the block ensuring vibration
stability.
3. Black O-ring, fitted in the block, ensuring vibration
stability. 111msm01 Fig. 3
A
1
2
3
3. Ares 507-607 – 06.2005 – GB A3.5
Technology of non-moving parts
Cylinder head
131msm00 Fig. 4
This can be identified by:
The cross-flow design.
The intake ducts are designed to increase turbulence inside the cylinders to enhance the air/fuel mix (SWIRL).
A cast letter (H) in the inlet port identifies the model of cylinder head.
The cylinder head now incorporates a housing for the direct mounting of the thermostat.
The cylinder head gasket is specific.
It has a compressed graphite film on both surfaces.
H
4. A3.6 Ares 507-607 – 06.2005 – GB
Technology of non-moving parts
Valves
131msm01 Fig. 5
The valve guides are machined directly in the cylinder head. A helicoidal open groove improves lubrication
between the guide and valve. An "umbrella" type seal (D) allows the passage of a controlled quantity of oil to
provide lubrication for the valve stem. Each valve is fitted with a rotator (B) ensuring a 3 rotation upon each valve
actuation. The contact surface between the valve head and the seat insert is thus always clean.
Nomenclature
A Collets.
B Valve rotator.
C Spring.
D Umbrella seal.
131hsm10 Fig. 6
A
B
C
D
5. Ares 507-607 – 06.2005 – GB A3.7
Technology of moving parts
Thrust bearings
131hsm00 Fig. 7
The cushions are of the one-piece type. One is smooth, the other has a groove for lubrication. Several sizes are
available for the adjustment of crankshaft end float.
Crankshaft
121msm01 Fig. 8
6. A3.8 Ares 507-607 – 06.2005 – GB
Technology of moving parts
Pistons
Both the pistons and the connecting rods are specific to this type of engine. The combustion chamber, centered
in the piston crown, is of the "re-entrant" type. The latter forms a sharp edge with the piston crown and these
features give improved combustion. The marking "front" has to be fitted facing the front of the engine.
Connecting rods
The "viper head" connecting rod heads improve the piston pin span. Metric threads are used for the conrod bolts.
121msm03 Fig. 9
Nomenclature
1 Sharp-edged.
2 "Snake head" conrod.
3 Re-entrant bowl (chamber-in-piston).
3
2
11
7. Ares 507-607 – 06.2005 – GB A3.9
Technology of moving parts
Rings
121msm04 Fig. 10
The top compression ring is as close as possible to the top of the piston to reduce waste space. This has
necessitated the use of an insert that has better temperature resistance. An accumulation groove between the top
compression ring and the compression ring gives the gases a greater expansion volume. The top compression
ring thus remains in contact with its bearing surface, reducing the passage of gas to the lower part of the engine.
1. The top compression ring is trapezoid shaped with a contact face of the barrel type. It is marked with a dot (A).
2. The compression ring has a trapezoid cross-section, with a skewed contact face. It is marked with 2 points (B).
3. The oil control ring has a classical shape.
1 1
2
3
B
A
2
3
8. A3.10 Ares 507-607 – 06.2005 – GB
Technology of moving parts
Accessory gear train
121msm05 Fig. 11
Fuel distribution is powered by a helical toothed gear train. Marks engraved on the pinions indicate meshing
positions to obtain fuel distribution settings.
9. Ares 507-607 – 06.2005 – GB A3.11
Technology of moving parts
Balance shaft
121msm06 Fig. 12
The 4 cylinder engine is equipped with with two balance shafts with detachable counterweights (A) to counter
vibrations from the rotating components (bushes are also mounted in bores).
"Damper"
On a 6 cylinder engine, vibration resulting from the
crankshaft's torsional response are absorbed by an
elastic-hubbed pulley (the crankshaft "Damper").
Nomenclature
1 Pulley.
2 "Damper".
3 Screw.
4 Washer.
101msm23 Fig. 13
Nomenclature
A Counterweights.
B Counter boring.
C Cotter.
A
C
B
A
3
42
1
10. A3.12 Ares 507-607 – 06.2005 – GB
Lubrication
Lubrication system
221msm00 Fig. 14
L
V S
Q
R
M
O
Z
K
F
I
A
Y
11. Ares 507-607 – 06.2005 – GB A3.13
Lubrication
221msm01 Fig. 15
Nomenclature (Fig. 14 and 15)
A Oil pump.
B Oil suction pipe.
C Oil outlet tube.
D Oil cooling casing.
E Coolant passage adaptor.
F Oil filter.
G Oil filter manifold/adaptor.
H Oil filler tube.
I Oil cooler.
K Crankshaft oil galleries.
L Pressure switch.
M Nozzles.
N Main lubrication duct.
O Connecting rod bearings.
Q Camshaft bushes.
R Gudgeon pin and bush.
S Rocker shaft.
T Turbocharger oil supply duct.
V Rockers.
X Oil feed.
Y Oil pressure regulator.
Z Oil bypass valve.
AA Pressurized oil.
AB Non pressurized oil.
G
H
12. A3.14 Ares 507-607 – 06.2005 – GB
Lubrication
Oil system components
221msm02 Fig. 16
The oil cooler is an exchanger featuring 7 plates inserted between the oil pump and the filter.
It speeds up oil warm-up on engine start thanks to the flow of water from the cylinder head pumped by the water
pump.
It then regulates and evens out the temperature. It is fitted in a cavity of the cylinder block.
Nomenclature
1 Seal.
1
13. Ares 507-607 – 06.2005 – GB A3.15
Lubrication
221msm03 Fig. 17
In very cold conditions, the by-pass valve is designed to bypass part of the oil directly to the primary gallery, by
short-circuiting the filter and cooler for a short time. This valve requires no adjustment or maintenance.
221msm04 Fig. 18
The oil spray nozzles screwed to the galleries provide lubrication to the liners and gudgeon pins as well as cooling
for the bases of the pistons, with a flow of around 1,4 l/m.
14. A3.16 Ares 507-607 – 06.2005 – GB
Cooling
Cooling system
221msm05 Fig. 19
t˚
t˚
t˚
O
A D
J
E
G
I
T
R
S
M
V
X
W
U
F
L
H
15. Ares 507-607 – 06.2005 – GB A3.17
Cooling
251msm00 Fig. 20
Nomenclature (Fig. 19 and 20)
A Water pump.
B Coolant passage adaptor.
C Oil cooler drain plug.
D Oil cooler plates.
E Cooling fluid passage.
F Cooling fluid envelope.
G Passages in the upper part of the block.
H Passages.
I Thermostat.
J Water manifold/thermostat housing.
L Bypass circuit.
M Towards the radiator upper tank.
N Drain plug.
O Water pump suction side.
P High temperature cooling fluid.
Q Low temperature cooling fluid.
R Cabin heater valve.
S Cabin heater radiator.
T Engine management thermistance.
U Instrument panel thermistance.
V Heat exchanger.
W Expansion tank.
X Depending on installation.
16. A3.18 Ares 507-607 – 07.2006 – GB
Cooling
Components of cooling system
The thermostat is incorporated within the cylinder
head by means of the water housing. Part of the
water flow is diverted to the water pump via a steel
tube. The temperature is regulated between 82
and 95°C.
Nomenclature
A Coolant temperature probe.
251msm01 Fig. 21
N.B.: During filling, with the engine idling, purge
the circuit by loosening the temperature probe
(A) (Fig. 22).
251msm02 Fig. 22
The water pump is fitted in the distribution casing and
uses the cavity in the cover as the pump body.
251msm03 Fig. 23
A
A
17. Ares 507-607 – 06.2005 – GB A3.19
Cooling
The viscous clutch has 3 main parts:
Drive part = Rotor (1) + Plate (2) fitted with annular grooves.
Driven part = Hub (6) for the fan + Body (7) fitted with annular grooves.
Regulator part = Thermostatic spring (3) + Valve (4) that controls the flow of coupling fluid.
This silicon-based viscous fluid is stored in tank (5).
When the temperature of the air flowing through the radiator reaches a predetermined level the thermostatic
spring operates the valve which opens the orifice. By centrifugal force, the liquid travels towards the annular
grooves in the hub and the body. The torque is transmitted by the internal friction of the highly viscous liquid and
its adhesion to the walls. The fan is thus powered and the cooling is improved.
Nomenclature
1 Shaft.
2 Plate.
3 Thermostatic spring.
4 Valve.
5 Tank.
6 Hub.
7 Body.
Warning for the storage of Visco.
253msm00 Fig. 24
1
5
7
3
4
2
6
18. A3.20 Ares 507-607 – 06.2005 – GB
Air
Air circulation
141msm00 Fig. 25
JI
H
G
F
E
K
D
B
C
A
L
t˚
t˚
M
19. Ares 507-607 – 06.2005 – GB A3.21
Air
Pre-heating
Both the pre-heating and the illumination of the instrument panel warning light are controlled by the engine ECU.
Dust rebreathing
Dust rebreathing is achieved by a duct subject to a venturi effect between the exhaust pipe and the air filter.
Nomenclature
A Filter.
B Filter blockage thermal switch.
C Pneumatic compressor.
D Turbo.
E Intercooler (depending on assembly).
F Intercooler blockage thermal switch.
G Air temperature thermistance.
H Pre-heat flange.
I Pre-heat relay.
J Instrument panel.
K Intake/exhaust.
L Dust rebreathing.
M Exhaust.
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