Explain the procedure for inspecting a crankshaft and the three measurements a technician should make.

What will be an ideal response?


A technician should first check the side clearance of the connecting rod with a feeler gauge between the big end of the rod and the flywheel. They will then measure the radial clearance by putting the crankshaft on a pair of V-blocks and then use a dial indicator to check for any up and down movement of the rod. Finally, the technician will check run out while the crankshaft is slowly rotated on the V-blocks as the dial indicator touches the flywheel.

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