12
NOTE
Flow Balance Test
The flow balance test shall be carried out at different speeds.
When the liquid level in the measuring cylinder is 2/3 of the
measuring cylinder, pause or stop work to observe the balance
of the fuel injection volume. The deviation of the fuel injection
volume of all fuel injection nozzles on a vehicle should not
exceed 2%. Or refer to the relevant technical manual of the fuel
injector to judge the flow balance of the fuel injector.
Observation of Fuel Injection Shape
Observe whether the fuel injection shapes and angles of all
fuel injection nozzles on the same car are uniform at various
speeds. At the same time, you can adjust the opening pulse
width of the fuel injection nozzle to check whether the minimum
opening pulse width of the fuel injection nozzle is consistent.
Leak Detection Test
The leak detection test is to detect the tightness of the injector
needle valve under the high pressure of the system. (Observe
the tightness of the fuel injector, generally there should be no
leakage within one minute)
11 Reverse Flushing
Press the item selection up and down keys to select “11
Reverse Flushing”, and install the injectors in the opposite
direction for cleaning.
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12 No-disassembly Cleaning
Select “12 No-disassembly Cleaning”.
Cleaning time can be set to a maximum of 20 minutes. Please
connect to various special parts that can clean the combustion
chamber or throttle.
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13 Pulse Injection Test
Select “13 Pulse Injection Test”.
Press function setting key to set pulse width and pulse times.
Other steps are the same as in item 02.
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