Thermal Engineering (313310) Practical No:14 Assembling and dismantling of single cylinder I.C Engine Answer

After performing this practical students will learn about various engine components such as the cylinder, piston, crankshaft, camshaft, valves, and fuel injectors. This knowledge is crucial for understanding how each part functions and interacts with others. Students learn how to utilize torque wrenches, micrometers, and other tools and instruments that are necessary when working on engines. Practical acquaintance with engines is required for many mechanical engineering positions. This hands-on training makes students more job-ready, providing them an advantage in the employment market. Learning how to assemble and dismantle an engine helps students acquire diagnostic abilities. They know how to detect and troubleshoot typical problems such as engine knocking, misfiring, and oil leaks.

Thermal Engineering (313310) Practical No:14 Procedure

1. Select the available I.C. engine model for dismantling.

2. Select the proper tools and equipment.

3. Apply recommended tools to remove engine accessories and components of an

I.C. engine.

4. Identify the various subassemblies and accessories of the Engine

5. Understand the functions of different parts.

6. Examine all the components carefully

7. Observe their physical and functional conditions.

8. Locate different areas that need maintenance/replacement.

Observation and calculations

Practical-related questions

1. List the basic tools for dismantling and assembling a single-cylinder IC engine. State its purpose

Answer:

2. State the precautions to be taken before starting the dismantling process of an IC engine.

Answer:

• Avoid improper handling of an I.C. Engine.

• Use special and recommended tools for the assembly and dismantling of an I.C.

Engine.

• Use a clean workbench for the assembly and dismantling of an I.C. Engine.

• Care must be taken while removing the components.

3. Write the recommended sequence for assembling a single-cylinder IC engine.

Answer:

2. Install the Crankshaft Step 1: Lubricate the crankshaft bearings and journals. Step 2: Place the crankshaft into the crankcase. Step 3: Install and torque the crankshaft main caps or bearings to the manufacturer's specifications. 3. Install the Camshaft (if applicable) Step 1: Lubricate the camshaft bearings and journals. Step 2: Insert the camshaft into the crankcase. Step 3: Ensure that the timing marks on the camshaft and crankshaft gears are properly aligned. 4. Install the Piston and Connecting Rod Assembly Step 1: Compress the piston rings using a ring compressor. Step 2: Insert the piston into the cylinder bore. Step 3: Attach the connecting rod to the crankshaft and torque the rod bolts to specifications. Step 4: Ensure proper alignment of the piston and connecting rod. 5. Install the Cylinder Head Step 1: Place the head gasket on the cylinder block, ensuring it is properly aligned. Step 2: Position the cylinder head onto the block. Step 3: Torque the cylinder head bolts in the correct sequence and to the specified torque. 6. Install the Valves, Springs, and Retainers Step 1: Insert the valves into the cylinder head. Step 2: Install the valve springs and retainers using a valve spring compressor. Step 3: Check the valve clearances and adjust if necessary. 7. Install the Timing Chain/Belt Step 1: Align the timing marks on the camshaft and crankshaft gears. Step 2: Install the timing chain or belt according to the manufacturer's instructions. Step 3: Tension the chain or belt to the specified tension. 8. Install the Flywheel Step 1: Position the flywheel onto the crankshaft. Step 2: Install the flywheel bolts and torque them to specifications. 9. Install the Oil Pump and Sump (Oil Pan) Step 1: Position the oil pump onto the engine block and secure it with bolts. Step 2: Apply a new gasket or sealant to the sump mating surface. Step 3: Attach the oil sump (pan) to the bottom of the engine and tighten the bolts. 10. Install the Cylinder Head Cover Step 1: Place a new gasket on the cylinder head cover mating surface. Step 2: Position the cover onto the cylinder head. Step 3: Tighten the cover bolts to the specified torque. 11. Install the Carburetor or Fuel Injector Step 1: Attach the carburetor or fuel injector to the intake manifold. Step 2: Connect the fuel lines, throttle cable, and any necessary linkages. 12. Install the Exhaust Manifold Step 1: Position a new gasket between the exhaust manifold and the cylinder head. Step 2: Bolt the exhaust manifold to the cylinder head and tighten the bolts. 13. Install the Ignition System Step 1: Install the spark plug(s) into the cylinder head. Step 2: Attach the ignition coil or magneto to the engine. Step 3: Connect the spark plug wire to the spark plug. 14. Install Ancillary Components Step 1: Attach any ancillary components such as the air filter, starter motor, or alternator. Step 2: Connect all necessary hoses, wiring, and controls. 15. Add Lubricants and Fluids

4. Draw a neat labeled sketch of a piston

5. List the name of the gasket material used in the cylinder head.

Answer:

Conclusion

We completed Thermal Engineering (313310) Practical No:14 and done Assembling and dismantling of single cylinder I.C Engine.

About the Author

Hi everyone, I'm Suraj Diware, and I'm passionate about helping students succeed in MSBTE programs. This blog is dedicated to providing clear and concise explanations of MSBTE curriculum topics, along with practical tips and resources to sup…

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Thermal Engineering (313310) Practical No:14 Assembling and dismantling of single cylinder I.C Engine Answer

Thermal Engineering (313310) Practical No:14 Assembling and dismantling of single cylinder I.C Engine Answer

Thermal Engineering (313310) Practical No:14 Procedure

Observation and calculations

Practical-related questions

Conclusion

About the Author

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