C6.4 Diesel Used Engine Blocks For Excavator E320D E324D 294 - 1725

Specification

Description

Cylinder block

All the major engine components are installed on or in the engine block. These components, including the cylinder bores, are machined very precisely. They must be thick enough to contain the pressure of the burning fuel mixture.

A tight fit must be ensured between the cylinder base and the piston rings to enable the piston rings to seal the combustible gas.

If the cylinder becomes oval due to wear some of the gas escapes through the piston rings.

The gas which leaks through the piston rings is called blow-by. Blow-by reduces the efficiency of an engine. The finishing on the cylinder walls also affects the ring seal.

How to Test Pressure in an Engine Block

Step 1
Remove the engine and leave only the engine block out. Most major auto parts have manuals on how to remove the engine block, as it varies significantly by make and model of the car.

Step 2
Cover all the coolant ports on the engine block except one. You can find universal temporary caps at most auto parts stores. Just push in the caps in all the coolant ports. The coolant ports had hoses connected to the engine that brought in coolant fluid.

Step 3
Insert the air tip into the unblocked coolant port. The air tip will be included in the compression tester kit. Push it in place until it is secured.

Step 4
Mix water and soap together in the spray bottle in a five-to-one ratio. Shake the bottle vigorously to create bubbles.

Step 5
Connect the compression gauge to the air tip in the engine block. Connect the air hose from the air compressor to the compression gauge, and turn on the air compressor.

Spray the engine block and cylinder with the spray bottle. You will see bubbles form where there is an air leak. The compression gauge will let you know the pressure in the engine.

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