Autool CT-200 Manual do utilizador - Página 9

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Select the uniformity/atomization detection in the control

panel, set the corresponding working condition parameters,

and press the [Run] key (Note: During the operation,

press the [Oil drain] key to perform uniformity and

atomization. Change each other).

After the test is completed, the system will automatically

stop and beep with a buzzer.

1-Cross platen;2-Side-inlet nozzle;

3-Lateral oil supply parts;

4-5-"O" ring seal; 6-Oil separator

Note:

During the test, you can switch the uniformity detection and

the atomization detection by the [Oil drain] button. The

system default solenoid valve is closed. At this time, the

uniformity detection can be performed. If the [Oil drain] button

is pressed, the solenoid valve drains. At this time, the

atomization test can be performed.

The default "cylinder number" parameter of the system is 0,

that is, all the injectors are working during operation. You can

select a certain injector to work by setting the "cylinder

number" parameter.

At the time of detection, the system pressure can be adjusted

by the [Supercharge] and [Decompression] buttons.

Figure.04

In the uniformity test, make sure that the liquid level in the test

cup reaches more than 30ml, but considering that the oil will

foam during the injection process, to prevent overflow, refer to

the formula: pulse width (ms) × timing time ( s) × speed (rpm) /

120 ≤ 18000 set the relevant parameters.

In the case of uniformity detection, under normal

circumstances, the deviation of the fuel injection amount of all

the injectors on the same vehicle should be within ±2%.

During operation, select the "Speed" or "Pulse Width"

parameters, then press the ►or◄ key, this can achieve

variable working condition simulation.

The injection angle of the injector should be consistent, the

atomization should be uniform, and there is no jet

phenomenon, otherwise it needs to be replaced.

The detection of the electrical characteristic parameter of the

minimum injection opening pulse width of the injector can be

performed under the atomization detection to compare the

difference of this parameter among all the injectors of the

same engine. That is, after setting a certain cylinder or all

cylinders, starting from the minimum injection pulse width

during operation, gradually increase the pulse width until the

injector can be observed to open the fuel injection (observable

by the backlight), and the spray is set at this time. The oil

pulse width is the minimum injection opening pulse width of

the injector. Thereby observing the difference in the minimum

opening pulse width of the injector.