Launch CNC-603A Bedienungsanleitung

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

(electronic, mechanical, photocopying, recording or other formats) without written permission from Launch Tech

Co., Ltd (hereinafter referred to as "Launch"). The manual is for the use of the products manufactured by Launch,

which shall not assume any responsibility for the consequences arising from the use of it to guide the operations

of other equipment.

Launch and its branches will not bear any liability for the fees and expenses incurred by equipment damage or

loss due to accidents caused by users or third parties, misuses and abuses, unauthorized modifications and repairs,

or operations and services not following launch’s instructions.

Launch assumes no responsibility for device damages or problems resulted from the usage of other parts or

consumables, rather than original products of launch or products approved by the company.

Official statement: the mentioning of the names of other products in this manual is to illustrate how to use the

device, with the ownership of the registered trademarks belonging to the owners.

The device is intended for the use of professional technicians or maintenance and repair personnel.

Registered Trademark

Launch has registered its trademark in china and several other countries, and the logo is . Other

trademarks, service marks, dot names, icons, company names of launch mentioned in the user manual all belong

to launch and its subsidiaries. In those countries where trademarks, service marks, dot names, icons, company

names of launch have not been registered yet, launch declaims the right for its unregistered trademarks, service

marks, dot names, icons, and company names. Trademarks of other products and company names mentioned in

this manual are still owned by the original registered companies. Without written agreement from the owner, no

person is allowed to use the trademarks, service marks, domain names, icons and company names of Launch or of

other mentioned companies. You can visit http://www.cnlaunch.com, or write to Customer Service Center of

Launch Tech Co., Ltd at Launch Industrial Park, North of Wuhe Avenue, Banxuegang, Longgang District,

Shenzhen, P.R. China, to get contact with Launch for the written agreement on the usage of the user manual.

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

Important Safety Instructions:

⚫Please read the manual carefully before using the instrument for proper operation!

⚫Be careful when touching the device or hot parts of the engine.

⚫If the power cord is broken, please do not turn the device on and use it. If the device is dropped or

damaged, please use it after being inspected by a professional.

⚫Please do not hang the power cord on the edge of the table, chair or counter. Do not touch hot parts or

rotating fan blades.

⚫If it is necessary to extend the power cable, the level of the power cord should be higher than or equal to that

of the original power line. Overheat may occur if a power cable of inferior level is used.

⚫Do not connect the plug of power cord when not using the device. Do not remove the plug by pulling the

power line. It should be unplugged by hand.

⚫The device should be cooled completely before storage and the line should be wound up.

⚫The cleaning agent for the device is a flammable and weakly volatile liquid. Smoking and lighting fires are

strictly prohibited during the cleaning process.

⚫The instrument should be placed in a room that is not exposed to direct sunlight and is well ventilated, and

signs “Smoking and lighting fires strictly forbidden” and “Danger warning of inflammables” should be

posted.

⚫The operator’s hair, clothes, fingers and other parts of the body should be kept away from the operating parts

of the equipment.

⚫To prevent electric shocks, do you touch the operating equipment in wet areas or operate it in the rain.

⚫Please operate the device as described in the manual. Use accessories recommended by the manufacturer.

⚫It is strictly forbidden to open the ultrasonic system under the circumstances that ultrasonic cleaning agent

has not been added into the ultrasonic cleaning pool. Otherwise, the ultrasonic equipment may be damaged

easily.

⚫The housing of the device must be reliable and grounded.

⚫Automobile exhaust contains a variety of toxic and harmful gases (such as carbon monoxide, hydrocarbon,

nitrogen oxide and etc.). During the test, the exhaust should be directed outdoors and the room should be

well ventilated.

⚫The temperature of the exhaust pipe and water tank of the automobile’s engine is high. Do not touch them to

prevent burns.

⚫Please pull up the handbrake of the vehicle to be cleaned, shift the transmission to neutral position and block

the front wheel before free disassembly cleaning.

⚫Wear safety glasses when operating. Daily wear glasses are not safety glasses.

⚫When disconnecting a pressurized fuel pipe union, please cover the union with a towel to avoid getting hurt

by fuel gushing out and causing fires.

⚫Test solution is used by the main unit of the device uses, and ultrasonic cleaning agent is used for ultrasonic

cleaning.

: indicates where attention should be paid when operating the device.

: indicates the possibility of product damage and personnel injury during operation.

Please save the manual!

LAUNCH                                                                                                                CNC-603A Injector Cleaner & Tester User Manual 
iii 
Content 
I. INTRODUCTION TO CNC-603A INJECTOR CLEANER & TESTER....................................................... 1
1.1 Brief Introduction ............................................................................................................................................ 1
1.2 Functions and Features .................................................................................................................................... 1
1.3 Working Environment and Specifications ....................................................................................................... 1
II. STRUCTURE OF CNC-603A INJECTOR CLEANER & TESTER............................................................. 3
2.1 Structure........................................................................................................................................................... 3
2.2 Control Panel................................................................................................................................................... 3
III. INSTALLATION AND CONNECTION......................................................................................................... 4
3.1 Installation ....................................................................................................................................................... 4
3.2 Connection....................................................................................................................................................... 4
IV. OPERATION PROCEDURES FOR CLEANING AND TESTING OF INJECTORS ............................... 4
4.1 Preparations ..................................................................................................................................................... 5
4.2 Cleaning and Testing Sequences...................................................................................................................... 5
4.3 Cleanup after Operation................................................................................................................................... 6
V. OPERATION PROCESSES............................................................................................................................... 7
5.1 Uniformity/Sprayability Test ........................................................................................................................... 7
5.2 Leakage Test .................................................................................................................................................... 8
5.3 Injecting Flow Test .......................................................................................................................................... 9
5.4 Auto. Test......................................................................................................................................................... 9
5.5 Ultrasonic Cleaning ....................................................................................................................................... 12 
5.6. On-Vehicle Cleaning..................................................................................................................................... 13 
5.7. Language Selection....................................................................................................................................... 15 
5.8. Version Information...................................................................................................................................... 15 
VI. SERVICE AND MAINTENANCE ................................................................................................................ 17 
6.1 Handling, Storage and Installation Environment........................................................................................... 17 
6.2 Common Quick-Wear Parts and Consumables.............................................................................................. 17 
6.3 Precautions and Solutions to Common Problems.......................................................................................... 18 
VII. COMMISSIONING AND MAIN PARTS.................................................................................................... 19 
7.1 Schematic Diagram and Parts List of Whole Structure ................................................................................. 19 
APPENDIX I: FUEL SYSTEM PRESSURE GAUGE OF TYPICAL VEHICLES ........................................ 21 

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

Special note: The manual introduces in detail the structure, functions, operation method and related

accessories of CNC-603A Injector Cleaner & Tester, and briefly explains the precautions in the process of

using, maintenance and handling of abnormalities. Launch reserves the right to change the design and

specifications of the product. The actual configuration shall be subject to the packing list.

I. Introduction to CNC-603A Injector Cleaner & Tester

Welcome to use CNC-603A Injector Cleaner & Tester manufactured by Launch Tech Co., Ltd. It is a mechatronic

product that combines ultrasonic cleaning technology with microprocessor oil pressure control cleaning and

testing technology. It is capable to simulate various working conditions of engine and perform cleaning and testing

for injector.

1.1 Brief Introduction

The User Manual is applicable to the following product:

⚫CNC-603A Injector Cleaner & Tester: a desk 6-cylinder injector cleaner and tester.

1.2 Functions and Features

Main Functions

⚫Uniformity / Sprayability test: to detect the uniformity of the fuel injection quantity of each injector and

monitor the spray status of injectors thoroughly and carefully by using the backlight, and to backflush

injectors.

⚫Leakage test: to test the leakage and dribbling conditions of injectors under system pressure.

⚫Injecting flow test: to detect the amount of fuel injected normally by injectors in 15 seconds.

⚫Auto. test: under specific working conditions and parameters, the precise simulation of test of injectors

under various working conditions

⚫Ultrasonic cleaning: to perform ultrasonic cleaning on multiple injectors at the same time, removing carbon

deposits on injectors completely.

⚫On-Vehicle Cleaning: Coming with a variety of disassembly-free cleaning connectors, the device can be

used to perform on-vehicle cleaning and maintenance for various vehicle models.

⚫Language selection: the system supports multiple languages and users can choose the appropriate language

according to their needs.

⚫Version information: to check the software version information of the current device.

Main Features

⚫Adopting ultrasonic cleaning technology, CNC-603A Injector Cleaner & Tester presents a strong cleaning

ability;

⚫The product also adopts fuel pressure adjustment and control technology by microcomputer, which can

ensure stable fuel pressure and wide adjustable range. It is applicable to vehicles equipped with a variety of

gasoline injection systems. Meanwhile, the automation of injectors’ cleaning and testing processes can be

realized.

⚫Thanks to the adoption of microcomputer automatic control and digital display technologies, the cleaning

and testing processes can be controlled automatically and the parameters of the main status can be monitored

in real time.

⚫Automatic fuel drain during a certain test can be realized via a routine, owing to the adoption of automatic

fuel drain control technology. Start or [stop] fuel drainage via the [Drain] button on the control panel in

running or stop state.

1.3 Working Environment and Specifications

Specifications:

Working Environment:

Power: AC110V-127V，50Hz/60Hz 3Amax

AC220V-230V，50Hz/60Hz 1.5Amax

Mechanical Power: 300W

Ultrasonic Cleaning Power: 100W

Speed Range for Simulation Test: 10～9990rpm

(step: 10rpm)

Environment Temperature: 0℃~+45℃

Relative Humidity: ＜85%

Strength of External Magnetic Field: ＜400A/m

Open fires is strictly prohibited within 2m.

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

Timing Range: 1～9999s

Pulse Width Range: 0.5～25ms (step: 0.1ms)

Operating Volume: 3000ml

Packing Dimension: 458mm×433mm×537mm

Main Unit Dimension: 396mm×380mm×446mm

Net Weight:

Gross weight:

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

II. Structure of CNC-603A Injector Cleaner & Tester

2.1 Structure

The schematic diagram of CNC-603A Injector Cleaner & Tester is shown in Figure 2.1:

Attention: there may be slight difference between the illustrations in this manual and the actual product.

The actual product prevails.

2.2 Control Panel

The control panel is shown in Figure 2.2:

Figure 2.2 Diagram of control panel

Figure 2.1 Schematic diagram of CNC-603A

1- Pulse line; 2-Fuel distributor assembly; 3-Observation window tube; 4-Ultrasonic cleaner;

5-Control panel; 6-Power switch; 7-Fuel pressure gauge; 8-Quick Connector ; 9-Fuel pump;

10-Fuel drainage pipe; 11-Automatic cleaning oil return port

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

III. Installation and Connection

3.1 Installation

1. The installation steps of CNC-603A are as follows:

1）Move the packaged machine to a flat surface;

2）Check if the packaging, machine, accessory box, user manual, power cord and etc. are complete.

Figure 3.1

1- Fuel distributor assembly; 2- Observation window tube; 3- Ultrasonic cleaner; 4-Rotary knob;

5-Power outlet; 6- Fuel pressure gauge; 7-Fuel filling port; 8-Fuel pipe

3.2 Connection

Connection of the main unit: take the power line out of the packaging box and plug it into outlet in the bottom

right corner of the machine.

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

IV. Operation Procedures for Cleaning and Testing of Injectors

4.1 Preparations

1） Remove the injector from the vehicle and check if the rubber seal of the injector is damaged. If it is damaged,

replace it with a seal of the same type before cleaning and testing to avoid leak. Put the injector into gasoline or

detergent, carefully remove the greasy dirt outside and then wipe it with a soft cloth.

2） Check and add test solution. Open the lid of fuel filling port and fill 2000ml of test solution into the fuel filling

port (pay attention to the control of the filling speed to prevent the test solution from overflowing from the fuel

filling port), as shown in Figure 4.1.

3） Turn on the power switch on the right side of the main unit, enter the main interface and press [Drain] button

to drain fuel.

4） Repeat Step 2 and 3, observe the level of the fuel pipe on the left side, pay attention to the filled test solution

shall not exceed the red line.

5） Add an appropriate amount of cleaning agent into the ultrasonic cleaning tank to immerse the needle valve of

the injector.

6） Put the injector into ultrasonic cleaning tank (with the end connecting the line facing up and the pointed end

facing down.

Attention: The main unit of the device uses test solution for uniformity / sprayability test, leakage test,

injecting flow test and auto. test. The ultrasonic cleaner uses the cleaning agent. Test solution and

cleaning agent are not included in the standard configuration and can be purchased separately.

Figure 4.1

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

4.2 Cleaning and Testing Sequences

It is recommended to carry out the complete cleaning and testing procedures in the following order.

⚫Ultrasonic cleaning;

⚫Uniformity / Sprayability test;

⚫Leakage test;

⚫Injecting flow test;

⚫Auto. test.

Select the corresponding parameter according to different test items and set it. See “V. Operation Processes” for

details.

4.3 Cleanup after Operation

After the end of cleaning and testing, a cleanup should be done, which includes:

⚫Press [Drain] button on the control panel to drain test solution to a fuel container.

⚫Switch off the power switch and unplug the power plug.

⚫Take out the ultrasonic cleaning pool and pouring out all cleaning fluid completely shown in Figure 4.2, and

wipe the ultrasonic cleaning unit with a soft dry cloth.

⚫Wipe the table top of the machine with a soft dry cloth.

⚫To avoid volatilization, all the test solution in the fuel tank should be discharged. If it can be used again, store

it in a safe place. If it is dirty and cannot be used any more, dispose it according to relevant regulations.

Figure 4.2

LAUNCH CNC-603A Injector Cleaner & Tester User Manual

V. Operation Processes

5.1 Uniformity / Sprayability Test

Uniformity test is to detect whether the differences between the injection quantities of injectors meet the

requirements or within the specified error range under the same working conditions of the injectors on the same

vehicle. The test can reflect the electrical characteristics and the change in orifice diameter of the injectors, as well

as the combine effects of the blockage and other factors on the injector. Sprayability test is to detect the

atomization performance of injectors by observing the injection condition and atomization of injectors when

operating under certain working conditions.

5.1.1 Installation Method and Test Steps for Injectors

1) Select the appropriate connector according to the type of

injector, install the sealing ring (check if the sealing ring

of the connector is in good condition) and then mount

the connector with sealing ring at the corresponding

coupling element below the fuel distributor.

2) Install the injector in the forward direction (apply a little

lubricant on the “O” ring of the injector).

3) Adjust the screws to fix the fuel distributor and injector

assembly in the oil filler hole of the upper cover and

tighten the compression screws on both sides evenly. The

installation diagram is shown in Figure 5.1.

4) Connect the pulse signal line of the injector properly. If

there is test solution in the fuel tube, press [Drain] button

to drain the test solution out of the transparent tube.

5) As shown below: select [Uniformity / Sprayability test]

on the main interface, pressure as shown in Figure 5.2;

set corresponding operating parameters, as shown in

Figure 5.3; press [Run] button (Note: press [Drain]

button during the operation to drain or stop draining oil);

the system pressure can be adjusted by [Pressurization]

and [Depressurization] buttons on the control panel, as

shown in Figure 5.4.

6) The system will stop automatically after

completion of the test.

Figure 5.1

1-Fuel distributor compression screw;

2-Fuel distributor assembly; 3-Connector;

4-Injector.

Figure 5.2 Figure 5.3 Figure 5.4

5.1.2 Backflushing

Backflushing is limited to the top-supply injector by connecting the backflushing connector under uniformity /

sprayability test. Test solution enters from the outlet of the injector and flows out from the inlet during

backflushing. Backflushing can wash away the dirt inside the injector and dirt attached to the filter.

Method and Steps:

1）Find the backflushing connector (and select a supporting “O” ring to install it on the connector) installed

below the fuel distributor;

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