Page 215 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

Disconnect the battery terminals remove & lift the battery. from vehicle clean and follow the test
Prepare the engine for test
• Check the water level in the radiator and top up if needed.
• Check the engine oil level and top up, if needed.
• Check the electrolyte level in the battery and top up with distilled water if needed.
• Insert the key in the main switch (1) and press fully in and turn the key to the “ON” position.

• Observe the ammeter (2) on the instrument pannel. The indicator of the meter will show slightly on the
discharge side (-ve side) of the meter and the ignition bulb (3) will glow red and also the oil pressure indicator
(4) will glow.

• Observe the fuel gauge (5). The indicator indicates the fuel in the tank from empty to full. Note down the
quantity of fuel in the fuel tank
• Depress the accelerator lever fully
• Press the starter button or turn the ignition key further and crank the engine Release the starter button/key as
soon as the engine has started

• Once the engine starts do not touch the starter switch
• It the engine does not start immediately do not keep the starter button pressed or key turned beyond 10
seconds otherwise, the battery will get discharged or the teeth of the flywheel ning and pinion will get damaged
or the self- starter motor will get damaged.
• Raise the engine r.p.m. steadily and allow the engine to warm up.
• Observe the ammeter. The indicator on the positive side shows charging of the battery.

• Observe the oil pressure indicator.
• Note down the temperature of the water on the temperature gauge
• Note down the oil pressure at full throttle.
• Compare the observations made with the manufacturer’s specification.
• Depress the accelerator steadily to full throttle, and observe the exhaust smoke.

• Note down the colour of the smoke as black/white/blue.
Compression test
• Start the engine and run it at idle speed for a few minutes to bring it to operating temperature.
• Loosen the Injector
• Remove all the Injectors.

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CITS : Automotive - Mechanic Diesel - Exercise 13.2