The document provides information on cylinder head and valve guide service, including:
1) It describes the steps to recondition a cylinder head, including disassembly, cleaning, inspection of parts, and machining or replacing worn components.
2) It explains how to inspect and measure valve guides, and discusses options for repairing worn guides, including replacing or reaming guides.
3) It provides specifications for valve stem-to-guide clearance and recommendations for machining cylinder heads and valve guides.
Automobile Engineering Unit 2 - Anna universitysuresh n
The 2nd unit of automobile engineering describe about carburetor, types of carburetor, ignition system such as coil ignition, magneto ignition and electric ignition system. And also it describe about supercharger and turbocharger
PT fuel system is made from the fuel tank, float tank, filter, governor, PT fuel pump, injector and low- pressure pipeline and return pipe. When working, PT fuel pump is responsible for oil regulator, PT injector completes the tasks that generate high pressure and timing injection.
Automobile Engineering Unit 2 - Anna universitysuresh n
The 2nd unit of automobile engineering describe about carburetor, types of carburetor, ignition system such as coil ignition, magneto ignition and electric ignition system. And also it describe about supercharger and turbocharger
PT fuel system is made from the fuel tank, float tank, filter, governor, PT fuel pump, injector and low- pressure pipeline and return pipe. When working, PT fuel pump is responsible for oil regulator, PT injector completes the tasks that generate high pressure and timing injection.
Engine, classification of heat engine, classification of IC engine, component of IC engine, four stroke engine and 2- stroke engine, petrol and diesel engine, comparisons, terminology related to engine
The valve timing of modern automobiles are not constant. It varies with speed, load. Here this slide describes about the modern Variable Valve Timing system and their controls
Workshop practise gives the basic working knowledge required for the production of various engineering products. • It explains the construction, function, use and application of different working tools, equipment, machines as well as the technique of manufacturing a product from its raw material.
This slides are about inline injection pump and calibration of the pumps .The working of the pump is described in simple words and with examples of daily usable devices.
Engine, classification of heat engine, classification of IC engine, component of IC engine, four stroke engine and 2- stroke engine, petrol and diesel engine, comparisons, terminology related to engine
The valve timing of modern automobiles are not constant. It varies with speed, load. Here this slide describes about the modern Variable Valve Timing system and their controls
Workshop practise gives the basic working knowledge required for the production of various engineering products. • It explains the construction, function, use and application of different working tools, equipment, machines as well as the technique of manufacturing a product from its raw material.
This slides are about inline injection pump and calibration of the pumps .The working of the pump is described in simple words and with examples of daily usable devices.
An introduction to the workings of a four stroke engine including parts and their processes, the four strokes, compression ratio and displacement, torque and power, DOHC, SOHC and OHV valve set ups, turbochargers and superchargers
1. INTRODUCTION TO IC ENGINE
2. FUNDAMENTALS OF IC ENGINE
3. CONSTRUCTIONAL FEATURES & FUNCTIONS OF IC ENGINE
4. MATERIALS USED
5.IC ENGINE – TERMINOLOGY
6.SEQUENCE OF OPERATION(A. Four Stroke Engine/B. Two Stroke Engine)
7. COMPARISON BETWEEN TWO STROKE AND FOUR STROKE ENGINES
8.Otto Cycle,Diesel Cycle,Dual Cycle & their Comparison
9.VALVE TIMING DIAGRAM
10.ENGINE PERFORMANCE PARAMETERS RELATED TO IC ENGINE
11. CHARACTERISTICS CURVES OF VARIOUS PERFORMANCE PARAMETERS
12. FUEL-AIR CYCLE & THEIR ANALYSIS ( 1.Brake Specific Fuel Consumption vs Size 2. Brake Specific Fuel Consumption vs Speed 3. Performance Maps )
13. ACTUAL INDICATOR DIAGRAM
14. V.C.R ENGINE SPECIFICATIONS & ITS DESCRIPTION
15. FUTURE WORKS & DISCUSSION
16. CONCLUSION
Affordable Stationery Printing Services in Jaipur | Navpack n PrintNavpack & Print
Looking for professional printing services in Jaipur? Navpack n Print offers high-quality and affordable stationery printing for all your business needs. Stand out with custom stationery designs and fast turnaround times. Contact us today for a quote!
Kseniya Leshchenko: Shared development support service model as the way to ma...Lviv Startup Club
Kseniya Leshchenko: Shared development support service model as the way to make small projects with small budgets profitable for the company (UA)
Kyiv PMDay 2024 Summer
Website – www.pmday.org
Youtube – https://www.youtube.com/startuplviv
FB – https://www.facebook.com/pmdayconference
Improving profitability for small businessBen Wann
In this comprehensive presentation, we will explore strategies and practical tips for enhancing profitability in small businesses. Tailored to meet the unique challenges faced by small enterprises, this session covers various aspects that directly impact the bottom line. Attendees will learn how to optimize operational efficiency, manage expenses, and increase revenue through innovative marketing and customer engagement techniques.
Skye Residences | Extended Stay Residences Near Toronto Airportmarketingjdass
Experience unparalleled EXTENDED STAY and comfort at Skye Residences located just minutes from Toronto Airport. Discover sophisticated accommodations tailored for discerning travelers.
Website Link :
https://skyeresidences.com/
https://skyeresidences.com/about-us/
https://skyeresidences.com/gallery/
https://skyeresidences.com/rooms/
https://skyeresidences.com/near-by-attractions/
https://skyeresidences.com/commute/
https://skyeresidences.com/contact/
https://skyeresidences.com/queen-suite-with-sofa-bed/
https://skyeresidences.com/queen-suite-with-sofa-bed-and-balcony/
https://skyeresidences.com/queen-suite-with-sofa-bed-accessible/
https://skyeresidences.com/2-bedroom-deluxe-queen-suite-with-sofa-bed/
https://skyeresidences.com/2-bedroom-deluxe-king-queen-suite-with-sofa-bed/
https://skyeresidences.com/2-bedroom-deluxe-queen-suite-with-sofa-bed-accessible/
#Skye Residences Etobicoke, #Skye Residences Near Toronto Airport, #Skye Residences Toronto, #Skye Hotel Toronto, #Skye Hotel Near Toronto Airport, #Hotel Near Toronto Airport, #Near Toronto Airport Accommodation, #Suites Near Toronto Airport, #Etobicoke Suites Near Airport, #Hotel Near Toronto Pearson International Airport, #Toronto Airport Suite Rentals, #Pearson Airport Hotel Suites
What is the TDS Return Filing Due Date for FY 2024-25.pdfseoforlegalpillers
It is crucial for the taxpayers to understand about the TDS Return Filing Due Date, so that they can fulfill your TDS obligations efficiently. Taxpayers can avoid penalties by sticking to the deadlines and by accurate filing of TDS. Timely filing of TDS will make sure about the availability of tax credits. You can also seek the professional guidance of experts like Legal Pillers for timely filing of the TDS Return.
Unveiling the Secrets How Does Generative AI Work.pdfSam H
At its core, generative artificial intelligence relies on the concept of generative models, which serve as engines that churn out entirely new data resembling their training data. It is like a sculptor who has studied so many forms found in nature and then uses this knowledge to create sculptures from his imagination that have never been seen before anywhere else. If taken to cyberspace, gans work almost the same way.
Putting the SPARK into Virtual Training.pptxCynthia Clay
This 60-minute webinar, sponsored by Adobe, was delivered for the Training Mag Network. It explored the five elements of SPARK: Storytelling, Purpose, Action, Relationships, and Kudos. Knowing how to tell a well-structured story is key to building long-term memory. Stating a clear purpose that doesn't take away from the discovery learning process is critical. Ensuring that people move from theory to practical application is imperative. Creating strong social learning is the key to commitment and engagement. Validating and affirming participants' comments is the way to create a positive learning environment.
[Note: This is a partial preview. To download this presentation, visit:
https://www.oeconsulting.com.sg/training-presentations]
Sustainability has become an increasingly critical topic as the world recognizes the need to protect our planet and its resources for future generations. Sustainability means meeting our current needs without compromising the ability of future generations to meet theirs. It involves long-term planning and consideration of the consequences of our actions. The goal is to create strategies that ensure the long-term viability of People, Planet, and Profit.
Leading companies such as Nike, Toyota, and Siemens are prioritizing sustainable innovation in their business models, setting an example for others to follow. In this Sustainability training presentation, you will learn key concepts, principles, and practices of sustainability applicable across industries. This training aims to create awareness and educate employees, senior executives, consultants, and other key stakeholders, including investors, policymakers, and supply chain partners, on the importance and implementation of sustainability.
LEARNING OBJECTIVES
1. Develop a comprehensive understanding of the fundamental principles and concepts that form the foundation of sustainability within corporate environments.
2. Explore the sustainability implementation model, focusing on effective measures and reporting strategies to track and communicate sustainability efforts.
3. Identify and define best practices and critical success factors essential for achieving sustainability goals within organizations.
CONTENTS
1. Introduction and Key Concepts of Sustainability
2. Principles and Practices of Sustainability
3. Measures and Reporting in Sustainability
4. Sustainability Implementation & Best Practices
To download the complete presentation, visit: https://www.oeconsulting.com.sg/training-presentations
Business Valuation Principles for EntrepreneursBen Wann
This insightful presentation is designed to equip entrepreneurs with the essential knowledge and tools needed to accurately value their businesses. Understanding business valuation is crucial for making informed decisions, whether you're seeking investment, planning to sell, or simply want to gauge your company's worth.
8. Figure 30-1 The seats and guides for the valves are in the cylinder head as well as the camshaft and the entire valve train if it is an overhead camshaft design.
9.
10.
11. Figure 30-2 A wedge-shaped combustion chamber showing the squish area where the air-fuel mixture is squeezed, causing turbulence that pushes the mixture toward the spark plug.
12. Figure 30-3 Locating the spark plug in the center of the combustion chamber reduces the distance the flame front must travel.
13. Figure 30-4 The combustion chamber of the 5.7 liter Chrysler Hemi cylinder head shows the two spark plugs used to ensure rapid burn for best power and economy with the lowest possible exhaust emissions.
14. Figure 30-5 The shrouded area around the intake valve causes the intake mixture to swirl as it enters the combustion chamber.
15. Figure 30-6 A typical cross flow cylinder head design, where the flow into and out of the combustion chamber is from opposite sides of the cylinder head.
16.
17.
18.
19.
20.
21.
22.
23. Figure 30-7 Method for measuring the valve opening space.
24. Figure 30-8 Comparing the valve opening areas between a twoand three-valve combustion chamber when the valves are open.
25. Figure 30-9 Typical four-valve head. The total area of opening of two small intake valves and two smaller exhaust valves is greater than the area of a two-valve head using much larger valves. The smaller valves also permit the use of smaller intake runners for better low-speed engine response.
26. Figure 30-10 Four valves in a pentroof combustion chamber.
27. Figure 30-11 An Audi five-valve cylinder head, which uses three intake valves and two exhaust valves.
36. Figure 30-12 The intake manifold design and combustion chamber design both work together to cause the air-fuel mixture to swirl as it enters the combustion chamber.
37.
38. Figure 30-13 A port-injected engine showing the straight free-flowing intake and exhaust ports.
59. Figure 30-16 Overhead camshafts may be (a) held in place with bearing caps, (b) supported by towers, or (c) fitted into bearing bores machined directly into the head.
60. Figure 30-17 Always follow the specified loosening sequence to prevent valve spring tension from bending the camshaft.
61.
62.
63. Figure 30-18 Pushrods can be kept labeled if stuck through a cardboard box. Individual parts become worn together. Using cardboard is a crude but effective material to keep all valve train parts together and labeled exactly as they came from the engine.
64.
65.
66.
67.
68. Figure 30-19 Cylinder heads should be checked in five planes for warpage, distortion, bend, and twist.
69. Figure 30-20 A precision ground straightedge and a feeler gauge are used to check the cylinder head for flatness.
75. Figure 30-21 Warped overhead camshaft cylinder head. If the gasket surface is machined to be flat, the camshaft bearings will still not be in proper alignment. The solution is to straighten the cylinder head or to align bore the cam tunnel.
82. Figure 30-22 A cast-iron cylinder head being resurfaced using a surface grinder.
83.
84.
85.
86.
87.
88.
89.
90.
91. Figure 30-23 A graph showing a typical rough surface as would be viewed through a magnifying glass. RA is an abbreviation indicating the average height of all peaks and valleys.
101. Figure 30-26 An integral valve guide is simply a guide that has been drilled into the cast-iron cylinder head.
102. Figure 30-27 All aluminum cylinder heads use valve guide inserts.
103. Figure 30-28 Valve guides often wear to a bell-mouth shape to both ends due to the forces exerted on the valve by the valve train components.
104.
105.
106.
107.
108.
109.
110. Figure 30-29 A small-hole gauge and a micrometer are being used to measure the valve guide. The guide should be measured in three places: at the top, middle, and bottom.
111. Figure 30-30 The diameter of the valve stem is being measured using a micrometer. The difference between the inside diameter of the valve guide and the diameter of the valve stem is the valve guide-to-stem clearance.
112. Figure 30-31 Measuring valve guide-to-stem clearance with a dial indicator while rocking the stem in the direction of normal thrust. The reading on the dial indicator should be compared to specifications because it does not give the guide-to-stem clearance directly. The valve is usually held open to its maximum operating lift.
113. Figure 30-32 Sectional view of a knurled valve guide.
125. Figure 30-34 A type of fixture required to bore the valve guide to accept a thin-walled insert sleeve.
126. Figure 30-35 Trimming the top of the thin-walled insert.
127.
128.
129.
130.
131.
132.
133.
134.
135.
136.
137.
Editor's Notes
Figure 30-1 The seats and guides for the valves are in the cylinder head as well as the camshaft and the entire valve train if it is an overhead camshaft design.
Figure 30-2 A wedge-shaped combustion chamber showing the squish area where the air-fuel mixture is squeezed, causing turbulence that pushes the mixture toward the spark plug.
Figure 30-3 Locating the spark plug in the center of the combustion chamber reduces the distance the flame front must travel.
Figure 30-4 The combustion chamber of the 5.7 liter Chrysler Hemi cylinder head shows the two spark plugs used to ensure rapid burn for best power and economy with the lowest possible exhaust emissions.
Figure 30-5 The shrouded area around the intake valve causes the intake mixture to swirl as it enters the combustion chamber.
Figure 30-6 A typical cross flow cylinder head design, where the flow into and out of the combustion chamber is from opposite sides of the cylinder head.
Figure 30-7 Method for measuring the valve opening space.
Figure 30-8 Comparing the valve opening areas between a twoand three-valve combustion chamber when the valves are open.
Figure 30-9 Typical four-valve head. The total area of opening of two small intake valves and two smaller exhaust valves is greater than the area of a two-valve head using much larger valves. The smaller valves also permit the use of smaller intake runners for better low-speed engine response.
Figure 30-10 Four valves in a pentroof combustion chamber.
Figure 30-11 An Audi five-valve cylinder head, which uses three intake valves and two exhaust valves.
Figure 30-12 The intake manifold design and combustion chamber design both work together to cause the air-fuel mixture to swirl as it enters the combustion chamber.
Figure 30-13 A port-injected engine showing the straight free-flowing intake and exhaust ports.
Figure 30-14 A cutaway head showing the coolant passages in green.
Figure 30-15 Coolant flows through the cylinder head, and the passages are sealed by the head gasket.
Figure 30-16 Overhead camshafts may be (a) held in place with bearing caps, (b) supported by towers, or (c) fitted into bearing bores machined directly into the head.
Figure 30-17 Always follow the specified loosening sequence to prevent valve spring tension from bending the camshaft.
Figure 30-18 Pushrods can be kept labeled if stuck through a cardboard box. Individual parts become worn together. Using cardboard is a crude but effective material to keep all valve train parts together and labeled exactly as they came from the engine.
Figure 30-19 Cylinder heads should be checked in five planes for warpage, distortion, bend, and twist.
Figure 30-20 A precision ground straightedge and a feeler gauge are used to check the cylinder head for flatness.
Figure 30-21 Warped overhead camshaft cylinder head. If the gasket surface is machined to be flat, the camshaft bearings will still not be in proper alignment. The solution is to straighten the cylinder head or to align bore the cam tunnel.
Figure 30-22 A cast-iron cylinder head being resurfaced using a surface grinder.
Figure 30-23 A graph showing a typical rough surface as would be viewed through a magnifying glass. RA is an abbreviation indicating the average height of all peaks and valleys.
Figure 30-24 The material that must be removed for a good manifold fit.
Figure 30-25 Using an intake manifold template to check for the proper angles after the cylinder heads have been machined.
Figure 30-26 An integral valve guide is simply a guide that has been drilled into the cast-iron cylinder head.
Figure 30-27 All aluminum cylinder heads use valve guide inserts.
Figure 30-28 Valve guides often wear to a bell-mouth shape to both ends due to the forces exerted on the valve by the valve train components.
Figure 30-29 A small-hole gauge and a micrometer are being used to measure the valve guide. The guide should be measured in three places: at the top, middle, and bottom.
Figure 30-30 The diameter of the valve stem is being measured using a micrometer. The difference between the inside diameter of the valve guide and the diameter of the valve stem is the valve guide-to-stem clearance.
Figure 30-31 Measuring valve guide-to-stem clearance with a dial indicator while rocking the stem in the direction of normal thrust. The reading on the dial indicator should be compared to specifications because it does not give the guide-to-stem clearance directly. The valve is usually held open to its maximum operating lift.
Figure 30-32 Sectional view of a knurled valve guide.
Figure 30-33 Valve guide replacement procedure.
Figure 30-34 A type of fixture required to bore the valve guide to accept a thin-walled insert sleeve.
Figure 30-35 Trimming the top of the thin-walled insert.