Quick Couplers; Brakes; Power Cable And Master Switch; Description Of Function - Bosch ACS 255 Original Instructions Manual

1
Fig. 3: Detaching the fresh oil bottle
1 Connector
To detach the fresh oil bottle, pull the connector
(Fig. 3, Pos. 1) slightly downwards and pull down the
bottle.
Fig. 4: Detaching the used oil bottle
1 Connector
To detach the used oil bottle, pull the connector
(Fig. 4, Pos. 1) slightly upwards and pull down the
bottle.
Observe the symbols on the front panel to identify the
bottles. The following table lists the symbols and their
description.
Bosch Limited
1
Product description | ACS 255 | 9
Symbol Description
Fresh oil bottle
Used oil bottle
3.3.4

Quick couplers

The quick couplers (see fig. 8) are connected to the
service connections on the vehicle A/C system to per-
form the service. To detach the quick couplers from
the service connection on the car A/C system, grip the
knurled portion of the coupler. Depress the coupler
slightly and pull back the knurled portion gently to re-
lease the coupler.
To attach the coupler to the service connection on the
vehicle A/C system, place the coupler on the service
connection and pull back the knurled portion of the
coupler. Press gently.
3.3.5

Brakes

The ACS 255 can be prevented from rolling away by ap-
plying brakes (Fig. 2, Pos. 6) on the rear wheels.
3.3.6

Power cable and master switch

The power cable is connected to the inlet and then to
the mains supply. When not in use, the power cable
can be wound on the cable holder (Fig. 2, Pos. 4). The
ACS 255 can be powered on by turning the switch in
the clockwise direction.
3.4

Description of function

The functions performed by the ACS 255 are:
R
Recovery and recycling - Refrigerant is recovered
from the car A/C system. It is then recycled to
remove suspended particles and moisture. The
cleaned refrigerant is stored in the refrigerant tank.
R
Vacuuming and leak detection - A deep vacuum is
created and car A/C system is checked for leaks.
R
Recharging refrigerant - The refrigerant in the refrig-
erant tank is charged into the vehicle A/C system.
R
Replenishing vehicle compressor oil along with re-
frigerant as specified by the vehicle manufacturer
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F 002 DG9 432 2014-12-19