AU Tool CT400 Manuale utente
www.autooltech.com
AUTOOL CT400
Injector Cleaner & Tester
User Manual
Copyright Information
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Table of Contents
Overview
1.1 Functions and features
1.2 Working environment and technical parameters
Structure
2.1 Overview structure
2.2 Control panel
Operation Procedures
3.1 Ultrasonic cleaning
3.2 Test functions
Maintenance
Precautions
Warranty
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3
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4
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5
8
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Overview
1.1 Functions and features
This GDI Fuel Injector 6-cylinder Cleaner and Tester is a great upgrade, which
adapts the latest GDI design. It not only can be used to clean and test the
standard injectors, of note that it can carry out GDI injectors cleaning and tesst.
It comes with multi voltages available for GDI injectors, which enables to adapt
for different types of injector testing. The machine is the necessary and preferred
equipment for the automotive serving and maintenance, research, and teaching
training departments.
Functions
● Ultrasonic cleaning: To perform simultaneous cleaning on one or several
injectors and to remove the carbon deposits on the injector completely.
● Uniformity test: To test the uniformity of injecting amount of each injector.
● Sprayability test: To monitor the spraying status of each injector with the
help of a backlight.
● Leakage test: To test the sealing and dribbling conditions of injectors under
system pressure.
● Injecting flow test: To check the injecting amount of the injector under
specific working parameters (e.g. same time, same number of times).
● Automatic test: Under specific working parameters, test injectors by
simulating different working conditions.
● Adopted with the latest unique GDI fuel injector driving software, which can
drive 12V, 70V, 120V high-pressure fuel injectors.
Features
● Adopting the powerful ultrasonic cleaning technology, the equipment offers
complete cleaning to the injectors.
● Fuel pressure control through microcomputer offers stable pressure control
and large adjustable range.
● Adopting high-definition digital control panel display, it makes the operation
simple and easy to learn.
● Test liquid level can be displayed visually. It can also be recovered for
recycling use.
● With the help of the bright background light of the LED, it is possible to
clearly observe the various working conditions of the injectors.
● Replaceable composite coupling with patented and suitable for many
models.
● The test time, operating frequency, number of injecting, and minimum
switching pulse width of the injector can be adjusted freely within the allowed
adjustment range.
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1.2 Working environment and technical parameters
Working environment
● Power supply: AC 110/220V ±10%
● Frequency: 50-60HZ±0.5
● Relative humidity: <85%
● Ambient temperature: 0℃～＋40℃
● External magnetic field strength: <400A/m
● No open flames are allowed around
Technical parameter
● Fuel tank capacity: 1500 ml
● Test tube amount: 140 ml
● RPM range: 0～7500 r/min
● Time range: 0～9900 times
● PWM pulse width: 0～20.0 ms
● System pressure: 0～0.55Mpa (adjustable)
● Timing: 0～20 minutes adjustable
● Ultrasonic cleaning power: 60W (intermittent work)
● Ultrasonic cleaning frequency: 28 KHZ±0.5 KHZ
● Dimensions: 390mm (length) × 410mm (width) × 430 mm (height)
● Weight: 16.6KG
2
Structure
2.1 Overview structure
1- Filling inlet; 2- Test tube; 3- Drain button; 4- Control panel;
5- Pulse signal cable; 6- Ultrasonic cleaning bath; 7- Power switch;
8- Power socket; 9- Pressure gauge; 10- Test liquid drain valve;
2.2 Control panel
● Pulse width display: function options and pulse width adjustment.
● Display of working hours/injecting times: display the working hours and
injecting times of the injectors.
● Start key: press to execute the selected work item.
● Function menu selection buttons.
● Pause key: Press it to temporarily stop the selected work item.
● Time and frequency adjustment button: adjust the working time and spray
frequency of the fuel injector.
● Stop key: stop the selected work item and return to the selected work item.
● Pressure decrease adjustment button.
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● Pressure increase adjustment button.
● Text description of function menu.
How to use the drain button
When performing work items 8, 9, and 10, press the button to close the drain
valve. Then the oil injected by the fuel injectors is closed in the glass tube, so as
to compare the amount of oil injected by each fuel injector. After the observation,
open the oil drain valve and return the test liquid to the oil tank.
Operation Procedures
3.1 Ultrasonic cleaning
Injector Cleaner takes advantage of the penetrability and cavitation impact
wave caused by ultrasonic waves traveling through the middle to provide
powerful cleaning on objects with complex shapes, cavities, and pores so that the
stubborn carbon deposits can be removed from the injectors.
Preparation:
● Remove the injector from the vehicle engine to check the rubber seals inside
for damage. Replace the damaged rubber seals with another same type of
rubber seal to avoid leakage during testing. Put the outside of injectors in
gasoline or detergent, and wipe them with a soft cloth after cleaning the outside
oil sludge carefully.
● Turn on the power (Note: There will be a delay of several seconds when this
device is restarted after a long power disconnection).
● Take out the cleaning bracket from the accessory box, then put it into the
ultrasonic bath, and put the clean fuel injector in the positioning hole of the
cleaning bracket in the ultrasonic bath.
3.1.2 Operation steps
Ultrasonic Cleaning:
● Add appropriate injector cleaning liquid into the ultrasonic bath, which
slightly immerses over the cleaning bracket will be fine.
● Turn on the ultrasonic switch on the right side of the main unit to start
ultrasonic cleaning.
● During the ultrasonic cleaning process, pulse signals can be input to the fuel
injector.
Steps:
● Plug the injector pulse signal wires into injectors respectively in turn. (Special
injectors need to be connected with adapter wires).
● Press the item selection up and down keys to select the "01 Ultrasonic
Cleaning" item, and then press the working time up and down keys to set the
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time. (The system defaults to 10 minutes, if you need to modify the time, you can
change it with the up and down keys)
● Press the run key, and the system starts to input pulse signals.
When finished cleaning, take out the injectors from the ultrasonic tank. Wipe off
the cleaning liquid with a soft cloth and prepare for the next operation.
Notes:
● During the cleaning process, you can hear the intermittent vibration when
you take the fuel injector out and put it near your ear, which can determine
whether the injector has a pulse signal.
● Before the injector detergent is added into the ultrasonic cleaner, do not turn
on the ultrasonic cleaner. Otherwise, damage may be incurred.
● Only the ultrasonic cleaning liquid matched with the machine can be added
to the ultrasonic tank, and other cleaning liquid can not be used instead,
otherwise, the surface coating of the equipment and the mask will peel off, which
will not be covered by the warranty.
3.2 Test functions
This function is to detect the sprayability, dripping, blockage, fuel injecting
angle of the fuel injectors and the amount and uniformity of the fuel injection of
each fuel injector at different RPM.
3.2.1 Preparation
● Add test liquid. Pour the test liquid from the filling port. (Approximately
1000ML is added, and the liquid level should not be lower than 800ML every
time)
● Installation of fuel injectors
Schematic diagram of injector installation
A. Install the injector adapter and the plug into the Fuel distributor assembly
B. Install the fuel injector in the forward direction (apply a little grease on the "O"
ring of the fuel injector)
5
Adapter for fuel
injector
Injector
Fuel distributor
assembly
C. Install the fuel distributor assembly and the fuel injectors on the Top assem-
bly plate and tighten and fix it with a fixed screw nut and a fixed screw sleeve.
Get ready to test.
D. Select 12v/70v/120v according to injector type.
3.2.2 Steps:
Item 02 idle speed test:
● Connect the quick connector of the black outlet hose on the machine with
the male end connector on the fuel distributor assembly, and insert the pulse
line of the fuel injector.
● Press the item selection up and down keys to select the "02 Idle Speed
Test" item.
● Press the working time up and down keys to set the time. （Normally set to
10 minutes）
● Press the “run” key to start working.
● Rotate the pressure adjustment knob to adjust the pressure to 2-5 kg.(In the
electronic spraying system, the oil pressure is generally 2-5 kg).
● Press the up and down keys to select the appropriate pulse width. (The
system defaults to 3MS, generally adjusted to 3MS).
● The working time will gradually decrease, and when it reaches 0, the
system will stop automatically.
03 middle-speed test:
● Press the item selection up and down keys to select the "03 middle-speed
test" item.
● Press the RUN button.
● The rest of the operation steps are consistent with item 02.
04 High-speed tests:
● Press the item selection up and down keys to select the "04 High-speed
test" item.
● Press the RUN button.
● The rest of the operation steps are consistent with item 02
05 Accelerated test:
● Press the project selection up and down keys to select the "05 Accelerated
test" item.
● Press the RUN button.
Notes：
1)The fuel pressure, working time and pulse width are automatically set by the
system. The time system presets 10s as a loop cycle, which can be set by the
user.
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2)The system will automatically loop three times in a row to simulate the working
conditions and fuel spraying amount of the fuel injectors when the engine is
accelerating uniformly at 1,500 -15,000 rpm.
06 Various speed test:
● Press the item selection up and down keys to select the "06 Various speed
est" item.
● Press the RUN button.
Notes：
1)The fuel pressure, working time and pulse width are automatically set by the
system. The time system presets 10s as a loop cycle, which can spare the labor
of setting by the user.
2)The system will automatically loop three times in a row to simulate the working
conditions and fuel spraying amount of the fuel injectors when the engine is
idling (1,500 rpm), middle-speed (9,000 rpm), and high-speed (15,000 rpm).
07 Leakage test:
● Press the item selection up and down keys to select the "07 Leakage test"
item.
● Press the working time selection keys to set the time. (Generally set to 1
minute)
● The remaining operation steps are consistent with item 02.
Notes：
1)The pulse width system is preset to 3ms, no need to set it again.
2)Simulate whether the fuel injectors drip and leak when the oil pressure of the
vehicle is 0.3Mpa.
tem 08 Idle fuel injecting amount test:
● Press the item selection up and down keys to select the "08 Idle fuel
injecting amount test" item.
● Press the up and down keys to set the number of times of injection.
(Generally set to 2,000 times)
● The remaining operation steps are consistent with item 02.
Notes：
1)Simulates the working condition and injection amount of the engine at idle
speed when the injectors work a certain number of times.
09 Middle-speed fuel injecting amount test:
● Press the item selection up and down keys to select the item "09
Middle-speed fuel injecting amount test".
● The rest of the operation steps are consistent with item 08.
10 High-speed fuel injecting amount test:
Indice
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