Page 75 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

EXERCISE 2.25: Assembling the crank shaft, piston and

connecting rod assembly

Objectives

At the end of this exercise you shall be able to
• fix the bearings in the cylinder block
• fix the crank shaft in the cylinder block
• fix the connecting rod bearing cap
• check crank shaft end play.

Requirements

Tools/Instruments
• Magnetic base with dial gauge - 1 No. • Oil can - 1 No.
• Trainee tools kit - 1 No. Materials/Components
• Heavy duty screw driver/pry bar - 1 No.
• Torque wrench - 1 No. • Main journal bearing - 1 No.
• Box spanner - 1 Set. • Big and bearing - as reqd.
• Piston ring compressor - 1 No. • Piston pin - as reqd.
• Nut bolts - as reqd.
Equipments/Machines
• Cotton waste - as reqd.
• Multi cylinder diesel engine - 1 No. • Baniyan cloth - as reqd.
• Work bench - 1 No. • Soap oil - as reqd.
• Wooden block - 2 Nos. • Lube oil - as reqd.

Procedure

• Place the engine block on the wooden block (Fig 1)

Fig 1

• Clean the parent bore of the main bearing in the cylinder block.
• Clean the oil holes of the parent bore.

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