1 689 975 257 2019-05-15| Robert Bosch GmbH
18 | ACS 652 | Service phasesen
8.6 Fresh oil filling
i By default, individual service phases are linked to
other service phases as they are needed to fully per-
form the individual operation selected.
i Oil from the fresh oil bottle is used to top up the
vehicle air conditioning system compressor oil.
i If "Fresh oil filling" has been selected in the service
process, the quantity of fresh oil entered is fed into
the vehicle air conditioning system along with the
refrigerant.
i The filling quantity is checked by the scales (12),
which ends the filling process after the quantity pre-
viously entered in the service process.
i EV8 opens and the fresh oil (1) is fed into the vehicle
air conditioning system with the refrigerant.
P1
EV5
EV3
EV6
3F1
C
P2
HP
5
VU2
6
F2
9
4
EV7
10
7
V1
V3 V2V4
V6V5
EV10
P
2
EV1
11
VU3 VU1
12
1
EV8EV9
13
M2
2
M1
EVLP1 EVLP2
EVHP1 EVHP2
HOSE FLUSH MANIFOLD
SERVICE PORT
Name Description
1 Fresh oil tank
2 Vacuum pump
3 Expansion valve
4 Evaporator/oil separator
5 Compressor oil separator
6 Compressor
7 Internal refrigerant cylinder
8 Refrigerant cylinder scales
9 Used oil bottle
10 Heat exchanger
11 UV dye bottle
12 Fresh oil scales
13 Used oil scales
EV1 Vacuum solenoid valve
EV3 Flow solenoid valve
EV5 Recovery solenoid valve
EV6 Filling solenoid valve
Name Description
EV7 Oil drain solenoid valve
EV8 Oil injection solenoid valve
EV9 Contrast medium injection sole-
noid valve
EV10 Solenoid valve for separating
high and low pressure
EVHP1 High pressure solenoid valve
EVHP2 High pressure solenoid valve
EVLP1 Low pressure solenoid valve
EVLP2 Low pressure solenoid valve
F1 Coarse filter
F2 Combi filter
HP High pressure
LP LOw pressure
M1 Low pressure gage
M2 High pressure gage
M3 Internal refrigerant cylinder pres-
sure gage
Name Description
P1 Pressure sensor
P2 Pressure switch
R1 Low pressure flushing connection
R2 High pressure flushing connection
T1 Low pressure hose
T2 High pressure hose
V1 Tank vapour side hose valve
V2 Tank liquid side hose valve
V3 Tank vapour side valve
V4 Tank liquid side valve
V5 Safety valve
V6 Non condensable drain valve
VU1 Oil non-return valve
VU2 One-way valve
VU3 UV contrast medium non-return
valve
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