Introduction - Bosch ACS 553 Service Manual

Introduction

These units are designed to be compatible with existing service equipment and standard service
procedures. These machines utilize a single-pass system that meets specifications for recycled
refrigerant. Follow recommended service procedures for the containment of refrigerant.
Each unit includes a high-vacuum pump for fast, thorough evacuation. The compressor first pulls
the A/C system to -0.4 bar.
NOTE: Refrigerant systems require special oils. Refer to the A/C system manufacturer's service
manual for oil specifications.
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1. Gauge low pressure (LP)
2. Display and control panel
3. Gauge high pressure (HP)
4. 1 x USB 2.0 slot
5. Main power supply switch
6. Fuse holder
7. Power supply socket
8. Fresh oil bottle (PAG or POE)
9. Oil drain bottle
10. Printer (optional, standard on P variants)
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Introduction

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Figure 1-1. Description of machine
ACS 553, ACS 563 Service Manual
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11. Service hose port (high pressure*)
12. Service hose port (low pressure*)
13. Contaminant recovery outlet port
(for R1234yf only)
14. Flush port (high pressure*)
15. Flush port (low pressure*)
16. Dryer filter
17. Front wheels with locking brake
18. Rear wheels
19. Vacuum pump
(*) max 25 bar (2.5 MPa)
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Robert Bosch GmbH