Page 322 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

EXERCISE 17.4: Overhauling of CRDI Diesel engine

Objectives

At the end of this exercise you shall be able to
• dismantle CRDI injector
• clean and inspect CRDI injector components
• assembling of CRDI injector
• testing of CRDI injector.
Requirements

Tools/Equipments
• Trainees Tool kit - 1 No. • Valve guide reamer inner
• Box Spanner set - 1 No. and Outer Diameter - 1 No.
• Metal tray - 1 No. • Valve guide Installer - 1 No.
• Torque wrench (0...25 Nm) - 1 No. • Bearing puller - 1 No.
• Torque wrench (25...100 Nm) - 1 No. • Bearing installer - 1 No.
• Torque wrench (40...200 Nm) - 1 No. • Cam shaft pulley holder - 1 No.
• Dial Test Indicator - 1 No. Machines
• Piston ring compressor - 1 No.
• Piston ring expander - 1 No. • A LMV with CRDI engine - 1 No.
• Cylinder Bore gauge - 1 No. • Engine stand - 1 No.
• Vernier caliper 0-300mm - 1 No. • Engine hoist - 1 No.
• Outside Micrometer(0-25mm, • Air compressor - 1 No.
25-50mm,50-75mm,75- • High pressure water get - 1 No.
100mm,100-125mm,125- Materials
150mm) - 1 No.
• Piston feeler gauge - 1 No. • Engine major overhauling
• Flywheel holder - 1 No. gasket kit - 1 No.
• Pilot bearing puller - 1 No. • Engine Bearings - 1 Set
• Surface plate with plain tabe - 1 No. • SAE 20W-40 Engine oil - 15 litres
• Spring tension tester - 1 No. • Coolant - 05 litres
• Connecting rod alignment Fixture - 1 No. • Chemical adhesives- asreqd.
• Straight edge - 1 No. • Engine bolts - as reqd.
• Compression gauge - 1 No. • Cotton cloth - as reqd.
• Vacuum gauge - 1 No. • Plastic gauge - as reqd.
• Oil seal installer - 1 No. • Diesel - as reqd.
• Bearing installer - 1 No. • Cotton waste - as reqd.
• Calibration Oil - as reqd.
Procedure

Dismantling of CRDI Engine
1 Disconnect battery Positive and Negative cable.
2 Remove engine Top cover.

3 Remove air cleaner assembly with MAF sensor.
4 Remove Intercooler.
5 Remove water pump/Alternator drive belt.
6 Remove ECM.
7 Drain Engine oil and Transaxle oil.
8 Drain coolant.

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CITS : Automotive - Mechanic Diesel - Exercise 17.3