Page 213 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

Fig 1

• Observe the temperature gauge reading it shows minimum temperatures
• Release the starter button / ignition key as soon as the engine has started
If the engine does not start immediately do not keep starter button (pressed (or) key turned) beyond 10 seconds.
This leads to the battery will get discharged and over- heated.
• Check the idling speed R.P.M in R.P.M meter.
• Press the accelerator pedal to increase engine r.p.m steadily and allow the engine to warm up.

TASK 3: Observe the dashboard meters/warning lights during engine run
• Start the engine and check the warning lights fitted in panel boards
• Observe the battery warning light it’s not glow (ie. Battery is charging)
• Observe the malfunction indication lamp goes off(All electronic circuit is ok)
• Observe the engine oil warning light it’s not glow(i.e. oil pump is working)
• Observe the oil pressure gauge.
• Observe the water temperature in temperature gauge.
• Observe the reading of tachometer.

• Observe the odometer reading during vehicle (moving) running.
• Observe the trip meter reading.

TASK 4: Replace the defective gauges and instruments
1 Note down If any warning lights is not glow, check the connection and bulbs if defective replace the bulb and
rectify the loose wire connections
2 Check RPM meter if defective replace it.
3 Check the fuel gauge and temperature gauge for defects and replace the defective gauges
4 Move the vehicle and check the speedometer of RPM meter during vehicle run
5 If odometer & RPM meter is found defective, check the wire and cable connections, and replace the defective
gauge sensor wire connections.

6 After replacing the defective gauges and instruments check the all gauges and warning lights functions (before
starting and after starting the engine)

TASK 5: Stop the engine
1 Remove the foot from accelerator pedal.
2 Turn the ignition key to the OFF position to stop the engine.

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CITS : Automotive - Mechanic Diesel - Exercise 13.1