MSG MS111 Manuale utente

MSG MS111

STANOWISKO DO DIAGNOSTYKI SPRĘŻAREK

KLIMATYZACJI SAMOCHODOWEJ

INSTRUKCJA DIAGNOSTYKI SPRĘŻAREK

TEST BENCH FOR COMPRESSORS

OF VEHICLE AIR CONDITIONERS

OPERATION MANUAL “DIAGNOSTICS OF COMPRESSOR”

UNIQUENESS

QUALIT Y SERVICE

WARRANTY TRAINING

INNOVATION

2020.09.16

СТЕНД ДЛЯ ДИАГНОСТИКИ КОМПРЕССОРОВ

КОНДИЦИОНЕРОВ АВТОМОБИЛЯ

ИНСТРУКЦИЯ ПО ДИАГНОСТИКЕ КОМПРЕССОРОВ

Operation manual - test bench MS111

English

INTRODUCTION .................................................................................................................................................. 2

1. TEST BENCH DESCRIPTION............................................................................................................................3

1.1 Main menu.................................................................................................................................................5

1.2 Automatic test menu...............................................................................................................................7

1.3 Manual test menu....................................................................................................................................9

1.4 Test Bench settings menu....................................................................................................................11

1.5 Menu for test results saving and printout .......................................................................................13

2. COMPRESSOR DIAGNOSTICS......................................................................................................................16

2.1 Safety regulations..................................................................................................................................16

2.2 Preparation of a compressor for diagnostics.................................................................................17

2.3 Compressor mounting and dismounting.........................................................................................18

2.4 Diagnostics of a compressor in automatic mode...........................................................................23

3. POST-MAINTENANCE RUN OF A COMPRESSOR.......................................................................................24

4. COMPRESSOR PRE-SALE CHECK................................................................................................................25

5. TEST BENCH MAINTENANCE........................................................................................................................26

CONTENTS

The actual Operation Manual contains information about diagnostics of a compressor on Test

Bench MS111.

Test Bench MS111 is intended for diagnostics of piston, axial piston, rotor and scroll compressors

of vehicle climate systems operating on refrigerants R134a and R123yf.

The Test Bench performs the following operations:

•diagnostics of all types of vehicle air conditioner compressors in both automatic and manual

modes;

•diagnostics of AC compressors with V-belt or Poly-V belt drive that use a 12V/24V

electromagnetic clutch and/or a 12V electromagnetic valve;

•check of the electromagnetic clutch and control valve for open circuit, short circuit, and

presence of a diode either in assembly with a compressor or separately from it;

•post-maintenance run of compressors;

•pre-sale testing of new compressors - analogs;

•generation of a test report and its printout.

WARNING! High qualication of the operator is a must when a compressor is tested in

manual mode as improper operation may lead to the unit malfunction. In case you don’t have

enough knowledge or experience in these units testing, it is recommended to use an automatic

mode. Any changes of default settings are unadvisable. Also, you can receive a special training at

the equipment manufacturing facility.

WARNING! MSG Equipment shall not be held responsible for any damage to Test Bench MS111

resulted from its improper operation.

INTRODUCTION

Operation manual - test bench MS111

English

1. TEST BENCH DESCRIPTION

The Test Bench consists of the following major components (Fig.1): Test Bench housing - 1; power

compartment door - 2; mounting face - 3; control panel - 4; service compartment door - 5; swivel

wheels with a brake - 6.

All diagnostic procedures with the tested unit are performed on the mounting face. The mounting

face contains:

Figure 1 – Major components of the Test Bench

2 5

1 6

Operation manual - test bench MS111

English

1 – Compressor drive belts: V-belt and Poly-V belt.

2 – Compressor xing chain.

3 – Dust cover. The diagnostic procedure is suspended when the cover is opened.

4 – Compressor temperature sensor. Depended on the model, the bench can be equipped with

either a contact or a contact-free sensor.

5 – Connecting tting for a low-pressure hose.

6 – Connecting tting for a high-pressure hose.

7 – Compressor control valve connection terminals. Adherence to polarity is not necessary.

8 – Compressor electromagnetic clutch connection terminals. Adherence to polarity is not

necessary.

34 5 6

Figure 2 – Mounting face of the Test Bench

Operation manual - test bench MS111

English

Control panel (Fig.3) includes the following elements:

1 – LP valve: low-pressure hose control.

2 – Start button “OFF/ON”: Test Bench power on/off. Button “OFF/ON” cannot be activated when

button “EMERGENCY STOP” is pressed.

3 – Touch screen: diagnostic data display and control of the Test Bench.

4 – Button “EMERGENCY STOP”: emergency shutdown.

5 – HP valve: control of the high-pressure hose.

1.1 Main menu

Diagnostic procedure is controlled mainly through the touch screen (n.3, Fig.3). Program main

menu (Fig.4) contains:

1 – diagnostic mode selection buttons;

2 – warning messages indicating causes of procedure activation failure;

3 – current pressure indications: discharge side of the compressor - HP1, discharge side of the

Test Bench - HP2, suction side of the compressor – LP;

4 – buttons to pump air and refrigerant from the compressor;

2 4

1 5

Figure 3 – Control panel of the Test Bench

Operation manual - test bench MS111

English

5 – display of electromagnetic valve and clutch test results;

6 – button to launch diagnostics of electromagnetic clutch or valve;

7 – adjustment of compressor xing chain and drive belt tension: tension/release

Figure 4 – Main menu of the Test Bench

Operation manual - test bench MS111

English

765

1 – «Vacuum test» - to check the tightness of the compressor and the Test Bench hose joints.

Press the start button – 1 to launch the test (Fig.6). Upon nishing, a message will appear in the

information eld (Fig.6, n.3): “Ok” – positive test result, “Failed” – negative test result.

2 – «Clutch valve test» - to check the electrical characteristics of the compressor clutch coil and

electromagnetic control valve. Press the start button – 1 to launch the test (Fig.7). If the

electromagnetic clutch or valve haven’t been activated or used, the message “Failed” will be

displayed in the appropriate line.

Figure 5. Window of compressor automatic diagnostics

Figure 6. Elements of the tightness test window:

1 – start button; 2 – current cycle time clock;

3 – information eld for test results.

Operation manual - test bench MS111

English

1.2 Automatic diagnostics menu

Program menu “Automatic diagnostics” (Fig.4) contains:

Figure 7. Elements of the clutch and/or valve test window:

1 – start button; 2 – information eld for test results;

3 – current through the clutch coil or valve.

Figure 8. Elements of the compressor output window:

1 – start button; 2 – current cycle time clock;

3 – information eld for test results.

Figure 9. Elements of the noise test window:

1 – start button; 2 – button to conrm the abnormal noise;

3 – button to dismiss the abnormal noise; 4 – information eld for test results.

3 – «Productivity test» - to check the compressor output. Press the start button – 1 to launch the

test (Fig 8). The test result will be displayed in the information eld – 3 (Fig.8) as follows: “Ok” –

positive test result, “Failed” – negative test result..

4 – «Noise test» - to detect the abnormal noise coming from the compressor at different speeds.

Press the button -1 to launch the test. During testing it is necessary to conrm or to dismiss the

noise presence (Fig. 9, n. 2 or 3).

5 – Buttons “Start” and “Stop” (Fig.5) – to launch and stop respectively the test procedure run in

automatic mode. Button “Start” launches tests 1-4 (Fig.5) in automatic mode. To perform a proper

diagnostics, follow the indications of the screen. Automatic test can be stopped by pressing

button “Stop” at any moment of time.

1 2 3

1 2 3 3

Operation manual - test bench MS111

English

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