Page 89 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

EXERCISE 3.4: Checking the exhaust system in engine off

mode

Objectives

At the end of this exercise you shall be able to
• examine the exhaust system of an engine in off position.

Requirements

Tools/Instruments Materials/Components
• Trainee tools kit - 1 No. • Cotton waste - as reqd.
• Box spanner set - 1 No. • Tray - as reqd.
• Soap oil - as reqd.
Equipments/Machines • Strap - as reqd.

• Light motor vehicle - 1 No. • Gas welding plant - 1 No.
• Welding wire - as reqd.

Procedure

Examine the exhaust system of an engine in off mode (Fig 1)

• Visually check the exhaust manifold(1) mounting(2) tightness and gasket leakage symptoms.
• Examine the heat strap and exhaust damper damages.
• Examine the downpipe connection (3) gasket and mounting with exhaust manifold flange.
• Examine both side mountings of catalytic converter (4).
• Visually check the outside damages of resonator pipe (5).
• Visually check the muffler mountings (6) and connections.

• Visually check the loose connection of tail pipe (7).
• Visually check the exhaust pipe having strap (8) with vehicle body.
• Visually check the deteriorated parts in exhaust system.
• Visually check the exhaust pipe for dent and damages.

Fig 1

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