1. Why is it important to follow proper safety procedures when removing and installing an engine? (2 marks) 2. List and explain the steps you should take before removing an engine from a vehicle. (8 marks) 3. What problems can occur if an engine is not installed correctly, and how can they be avoided? (2 marks) 4. List the device used to remove the engine from the vehicle.
Answer (1)
Importance of Proper Safety Procedures (2 marks):
Following proper safety procedures when removing and installing an engine is crucial to ensure the safety of the individuals involved and to prevent damage to the engine and vehicle. Engines are heavy and contain numerous components that can pose hazards. Proper procedures prevent accidents, injuries, and ensure the engine functions correctly after installation.
Steps Before Removing an Engine from a Vehicle (8 marks):
a. Disconnect the Battery: To prevent electrical shorts and sparks, always disconnect the vehicle’s battery.
b. Drain Fluids: Remove engine oil, coolant, and other fluids to prevent spills during engine removal.
c. Remove the Hood: To gain easy access to the engine compartment and prevent any damage during engine removal.
d. Label and Disconnect Wiring and Hoses: Tag and remove all wires and hoses connected to the engine to avoid confusion during reinstallation.
e. Remove the Radiator and Fans: These components need to be removed for easy access to the engine.
f. Unbolt the Exhaust Manifold: Detach the exhaust manifold to free the engine.
g. Remove the Engine Mounts: Unbolt the engine mounts, which hold the engine in place.
h. Use a Proper Lifting Device: Position a hoist to safely lift the engine out of the vehicle.
Problems with Incorrect Installation and Their Avoidance (2 marks):
Incorrect installation of an engine can lead to issues like misalignment, electrical problems, and engine failure. These can be avoided by following the manufacturer’s specifications, using the right tools, and double-checking all connections and alignments.
Device Used to Remove the Engine (1 mark):
An engine hoist or crane is used to remove the engine safely. It’s a device designed to lift heavy engines out and into the vehicle while ensuring personnel safety.
