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Contents

1- Product description ....................................................................... 3

Compressor speed (rpm) .................................................................. 7

Conversion factors ............................................................................. 7

2- Operation precautions ................................................................ 14

3- Handling instructions .................................................................. 15

Maintenance precautions ................................................................15

Work area ..............................................................................................15

Refrigerant handling ............................................................................15

Compressor handling .......................................................................16

Compressor removal ........................................................................16

Oil return operation .........................................................................17

Oil handling ......................................................................................17

Oil level at inclination conditions ....................................................18

Front Lifting ......................................................................................18

Lateral Inclination ............................................................................18

Oil contamination ............................................................................19

Oil check ...........................................................................................19

Replacement of components ..........................................................20

Leak test ...........................................................................................21

Refrigerant Charging ........................................................................21

Storing a repaired compressor ........................................................21

4- Troubleshooting .......................................................................... 22

Compressor troubleshooting ................................................................22

Compressor troubleshooting tree ........................................................22

A/C cycle diagnosis by gauge pressure ..............................................25

5- Tightening torques ...................................................................... 27

6- Service procedures - Magnetic clutch ........................................ 28

7- Service procedures - Shaft seal assembly ................................. 34

8- Service tools ................................................................................ 37

9- Service parts ............................................................................... 47

Valeo TM55 User Manual

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