Page 72 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

EXERCISE 2.23: Practice on cleaning and checking the
cylinder blocks

Objectives

At the end of this exercise you shall be able to
• clean the cylinder block
• check the cylinder block.

Requirements

Tools/Instruments Materials/Components
• Trainee’s tool kit - 1 No. • Tray - 1 No.
• Scraper - 1 No. • Cotton cloth - as reqd.
Equipments/Machines • Kerosene - as reqd.
• Soap oil - as reqd.
• Multi cylinder diesel engine - 1 No. • Lube oil - as reqd.
• Air compressor, pressure washer - 1 No.

Procedure

Cleaning the cylinder block Fig 1
• Put the cylinder block on wooden blocks (Fig 1)
• Clean cylinder block with suitable solvent or steam

• Clean the oil passages of cylinder block with help of
wire brush
• Remove all sludge of dirt and carbon deposits in
crankcase, cylinder walls and valve chambers
• Remove carbon deposits in cylinder block
• Use scrapper to remove hard carbon deposits and
take care not to damage the highly finished surfaces
• Clean the cylinder block by using compressed air
blast
• Visually check the cylinder block for cracks and
damages
• Replace the cylinder block if any damage is found.

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CITS : Automotive - Mechanic Diesel - Exercise 2.22