1 689 988 238 2012-11-06| Robert Bosch GmbH
| ACS 651/751 | 67
en
Contents English
1. Symbols used 69
1.1 In the documentation 69
1.1.1 Warning notices -
Structure and meaning 69
1.1.2 Symbols in this documentation 69
1.2 On the product 69
2. Important notes 70
2.1 User group 70
2.2 Agreement 70
2.3 Obligation of contractor 70
2.4 Safety Instructions 71
2.5 Safety devices 72
3. Product description 73
3.1 Application 73
3.2 Delivery specification 73
3.3 Description of unit 74
3.4 Description of function 75
3.4.1 Handles 75
3.4.2 Human Machine Interface (HMI) 75
3.4.3 Selection and function keys 76
3.4.4 Input keys 76
3.4.5 Printer 76
3.4.6 Service hatches 77
3.4.7 Scales for UV dye, oil bottles and
refrigerant 77
3.4.8 Oil / UV dye bottles 78
3.4.9 Quick release couplers 78
3.4.10 Inline filters 79
3.4.11 Brakes 79
3.4.12 Power cable and master switch 79
4. Commissioning 79
4.1 Removing the transport packaging 79
4.2 Before turning on for the first time 80
4.3 ACS 651/751 switch-on 83
4.4 General settings 84
4.4.1 Printer settings 85
4.5 Setting zero points for the scales 85
4.6 Refrigerant tank scale calibration check 86
4.7 Operator list 87
4.8 Changing the system defaults 87
4.8.1 Automode Service Parameters 87
4.8.2 Selecting hose length 88
4.8.3 Buzzer settings 88
4.8.4 R134a recording limit 88
4.8.5 Compressor oil can size 89
4.9 Configuring the custom database 89
4.10 Filling the internal refrigerant cylinder 90
4.10.1 Preparation 90
4.10.2 Program sequence 91
4.12 R134a record transfer tool 92
4.12.1 Installation 92
4.12.2 Changing the language settings 92
4.11 Viewing system information 92
5. Troubleshooting 93
6. Program description 97
6.1 Overview of operation 97
6.2 Overview of operating phases 97
6.3 ACS 651/751 operating modes 97
6.3.1 ACS 651 service options 97
6.4 Preparations for A/C service 98
6.5 Automatic mode 98
6.5.1 Selecting the vehicle from the
database 98
6.5.2 Selecting the vehicle from the list
of 10 vehicles serviced previously 100
6.5.3 Setting custom parameters 101
6.6 Overview of manual mode 103
6.6.1 Recovery 103
6.6.2 Vacuum creation phase 103
6.6.3 Oil recharge phase 103
6.6.4 UV dye recharge phase 103
6.6.5 Recharge phase 103
6.7 Performing service in manual mode 104
6.8 Flushing the ACS 651/751 after changing
the oil type 105
6.9 Flushing the vehicle A/C system 106
6.10 Refrigerant top-up 106
6.11 Hose drain 107
6.12 A/C performance test 107
6.13 OE specific service 108
6.13.1 Recovering the refrigerant in the
automatic mode 108
6.13.2 Executing recovery when the engine
and the A/C system are OK 110
6.13.3 Executing recovery when the engine
is OK and the A/C system is not OK 111
6.13.4 Executing recovery when the engine
and the A/C system are not OK 112
6.13.5 Recovering the refrigerant in the
manual mode 112
6.13.6 Executing recovery when the engine
and the A/C system are OK 113
6.13.7 Executing recovery when the engine
is OK and the A/C system is not OK 114
6.13.8 Executing recovery when the engine
and the A/C system are not OK 114
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