S P00 D00 159 2019-03-01| Robert Bosch GmbH
Operation | ACS 752 | 51 en
10.2 Service phases
R Recovery phase:
Refrigerant extracted from the vehicle, cleaned and
routed into the internal refrigerant cylinder.
R Vacuum phase:
A vacuum is generated in the vehicle air conditioner
and the system is checked for leaks.
R Filling phase:
$ Fresh oil: Fresh oil is added to the vehicle air
conditioner.
$ UV dye: UV dye is added to the vehicle air condi-
tioner.
$ Refrigerant: A certain quantity of R134a refriger-
ant is added to the vehicle air conditioner.
10.3 Manual service
WARNING – Risk of frostbite from escap-
ing refrigerant
Refrigerant causes severe frostbite on the
skin.
¶ Check the service hoses for damage.
¶ Firmly connect the service quick-release
couplings to the service hoses.
¶ Wear safety goggles.
¶ Wear protective gloves.
! The service parameters (vacuum generation time,
recharge quantity and oil type) can be found in the
owner's manual or the vehicle repair manual.
i With the ACS 752 all service phases can be per-
formed manually.
i Individual service phases are linked as standard
to other service phases as they are needed to fully
implement the individual operation selected.
i R134a can only be added to an air conditioner under
vacuum. The vacuum phase must therefore be imple-
mented before filling with R134a.
i Observe the vehicle-specific information before alter-
ing the quantity of oil.
10. Operation
10.1 Database
<DATA BASE> key
10.1.1 Vehicle database
i In this menu, you can select the vehicles included in
the vehicle database, along with all relevant data.
i The vehicle database can be updated annually.
Please contact your authorized dealer.
i The filling data can be taken directly from the vehicle
database and printed.
! Follow the additional ACS 752 menu prompting.
1. Call up the start screen.
2. Press <Database>.
3. Select "European DB".
4. Confirm with <OK>.
5. Select vehicle (manufacturer) with o u.
6. Confirm with <OK>.
7. Select type (model) with o u.
8. Confirm with <OK>.
"Vehicle is selected.
10.1.2 Personal database
i In this menu, you can manage a personal database
with vehicles you enter yourself.
i There are 5 lines with 24 characters for the vehicle
description.
i It is not necessary to fill all lines. Navigate the cursor
to the next line with u. In this case, the previous line
will remain empty.
! Follow the additional ACS 752 menu prompting.
1. Press <Database>.
2. Select "Personal DB"
3. Select your choice
$ Select model
$ Enter model
$ Cancel model
4. Follow the messages on screen.
i Double press of z deletes character to left of
cursor.
Navigate the cursor to the next line with o u.
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