Gasoline Engines Measurement; Starting Advance - tecnotest 232-E Mode D'emploi

TIMING LIGHT ___________________________________________________________________________
4.0 -

GASOLINE ENGINES MEASUREMENT

4.1 -

Starting advance

ATTENTION:
The movable reference is usually located on one of the two extremities of the
engine shaft (hence on the wheel or on the pulley).
•
Start the vehicle to be tested.
•
Once connections have been carried out, the light is set in the 4-time Gasoline
mode reading (SPPLUG).
•
Press the Timing Light/sensor (8) key and make sure the Timing Light
advance degrees led turns on (2).
•
If the vehicle is equipped with 2-time engine hold down the key (8) until displaying
the message 2 t.
•
In case the car to be tested is equipped with a vacuum device, disconnect the pipe
(if not differently indicated by the manufacturer).
•
Let the car idle and compare the value displayed by the timing light to that
supplied by the manufacturer making sure that they coincide.
•
Point the timing light towards the fixed reference and then hold down the
FLASH (11) key; the flash starts flashing.
•
Rotate the Deviator (10) until the display indicates the manufacturer's advance
value or until the movable reference corresponds to that fixed.
At the beginning (before acting on the Deviator) the display shows the 10° values
(most common value in the engines).
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TIMING LIGHT