22 Questions
What should be ensured when mounting the engine in an overhaul stand?
The lifting equipment and overhaul stand are of sufficient capacity for the engine
Why should the flywheel be handled carefully?
It is a heavy metal mass
What is the purpose of installing dowel (guide) studs in the flywheel?
To allow the flywheel to be slid away from the crankshaft flange
How can heavy flywheels be safely removed?
Using a lifting jig and a crane or hoist
What is an alternative method for removing the flywheel when the engine is in an overhaul stand?
Using a sling assembly and a hoist
Why should the engine be mounted in an overhaul stand?
To facilitate crankshaft removal
What is the purpose of installing a dowel stud in a multi-piece damper assembly?
To assist in the removal of the vibration damper
Why is it important to consult the manufacturer's service information for damper removal procedures?
To obtain the correct tooling and procedures
What is a common material used in the manufacture of front gear covers?
Cast or stamped metal
Why should you take care when removing the front gear cover?
To avoid damaging the cylinder block
What is the importance of marking the main bearing caps?
To identify the cap position in relation to the cylinder block
Why is it necessary to store removed components in a safe and secure position?
To prevent component damage
What is the purpose of wrapping a nylon sling around the crankshaft journals?
To lift the crankshaft from the cylinder block
What should you watch for when lifting the crankshaft?
Counterweights and throws catching on the main bearing webs
What is the advantage of using an engine hoist to lift the crankshaft?
Reduced risk of personal injury
Why is it necessary to return the main bearing caps to their original position during reassembly?
To maintain bearing bore geometry
What should you do if binding occurs during crankshaft removal?
Stop and reposition the crankshaft
Why is it important to store the crankshaft properly?
To prevent damage from falls
How should the crankshaft be stored if it is too large for vertical storage?
Horizontally on V-blocks
What should be done with the upper bearing shells after removal?
Mark them for position and tape them together
Why should the bearing caps be reinstalled after removal of the crankshaft and bearings?
To allow for bearing bore measurements
What is the primary reason for replacing bearing shells during overhaul?
To ensure optimal engine reliability
Learn the steps to remove a crankshaft from an engine block, including preparation, mounting the engine, and flywheel removal. Understand the necessary precautions to prevent injury and component damage.
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