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52 | ACS 652 | Operation
9.3.3
Filling of refrigerant, fresh oil and UV dye
i
Fresh oil and UV dye can only be added to an air
conditioning system under vacuum. A vacuum must
be generated prior to the oil/UV dye filling process.
i
If pressure is detected in the vehicle air conditioning
system during filling, recovery must be implemented
in order to continue.
i
Fresh oil and UV dye can only be added in conjunc-
tion with R134a.
!
Always observe the vehicle manufacturer's instruc-
tions before altering the oil quantity.
!
Before filling with UV dye it is essential to check
whether leak testing of the air conditioning system
with UV dye is approved by the vehicle manufacturer.
!
Filling should, if possible, only occur via the high
pressure connection. For systems that have only one
low-pressure connection, at least 10 minutes must
pass after filling before the vehicle air conditioning
system can be switched on.
!
Pay attention on using the proper fresh oil (PAG or
POE) depending on vehicle under service.
|
S P00 D00 158
2019-02-21
<Fill> key
!
Observe the ACS 652 menu prompting.
1. Connect the HP and LP service hoses to the vehicle
air conditioning system.
2. Open the valves on both service hoses.
3. Call up start screen.
4. Press <Fill>.
SELECT PORTS?
1 HP & LP PORTS
2 HP PORT
3 LP PORT
5. Select <1>,<2> or <3>; confirm with E.
CHARGING UV DYE?
1 - YES
2 - NO
i
The UV contrast medium is added automatically on
a time-controlled basis. The duration, and thus the
quantity, can only be changed by customer service.
6. Select <1> or <2> and confirm with E.
CHARGING OIL?
1 - YES
2 - NO
i
In the case of <1>, the fresh oil quantity must be
entered with <0 – 9> and confirmed with E.
!
The entered quantity is always added, irrespective of
how much oil was previously extracted.
7. Select <1> or <2> and confirm with E.
SET REFRIGERANT CHARGE
8. Enter the refrigerant quantity (R134a) with <0 – 9>
and confirm with E.
"
ACS 652 performs the filling phase.
i
Return with <Stop>.
is displayed.
Robert Bosch GmbH
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