37 6.5 Recharging The A/C System Of The Vehicle - Bosch ACS 553 Originalbetriebsanleitung

en | 54 | ACS 553 | Instructions for use
6.5 Recharging the A/C system of the
vehicle
WARNING: to prevent injuries while
working with the refrigerant, read and
follow the instructions and warnings in this
manual, and wear protective clothing, such
as safety glasses and gloves.
1. Call up the Main Menu.
2. Select
.
3. Enter the service data and select
vehicle data through the database. Confirm with
(see chapter 6.1).
4. Enter the quantity of refrigerant to be charged with
the numeric keypad.
5. Select the "type of charge" with the Down arrow
button and set with
to charge the vehicle (high pressure side, low
pressure side or both sides).
6. Select
to continue.
7. Select
to enable the oil injection. If you set not
to perform the oil injection, go directly to phase 11
displaying.
8. Enter the amount of oil to be charged with the
numeric keypad.
i
Make sure of the proper connection of the oil
bottle (PAG or POE) to be used on ACS 553, before
proceeding with the injection.
9. Select the "oil type" with the Down arrow button
and set with the oil to be charged (PAG or
POE).
10. Type the measured ambient temperature and set
the viscosity of oil being used.
i
Make sure of entered values correctness in order to
guarantee the injection accuracy.
11. Select
to continue.
12. ACS 553 displays a dedicated message that asks
to the operator whether to perform the hoses
flushing.
« Select
to proceed or
hoses flushing.
i
Follow the on-screen instructions to perform the
hoses flushing procedure.
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to set the
the hoses to be used
not to perform the
13. When the message appears, connect both service
hoses to the vehicle service connections and open
the valves of the service hoses turning the ring nuts
clockwise.
!
The charging function, if accompanied by oil
injection, can only be carried out on the high
pressure side or on both sides.
i
In systems provided with only a low pressure connec-
tion, after charging, wait at least 10 minutes before
operating the air conditioning system of the vehicle.
!
Before performing oil injection make sure a proper
quantity is available into the respective bottle.
i
Fill only through the high pressure connection
(if possible) or always follow the vehicle
manufacturer's instructions.
!
Always follow the vehicle manufacturer's
instructions before changing the amount of oil.
i
New oil can only be added in a vacuum air
conditioner. Prior to the addition of oil, it is
necessary to create a vacuum.
14. Select
to start the charging procedure.
« When the charge cycle is close to the desired
weight value, the station slows down, alternating
charging and settling phases, etc.
i
At this point, if the ACS 553 is moved or hit, it is
possible to obtain an inaccurate charge.
15. When the message appears, close the service hose
connections turning the ring nuts counter-clockwise.
Disconnect the service hoses from the A/C system and
connect them to the station flushing connections.
16. Select
to start the hoses cleaning.
17. At the end the ACS 553 displays a screen with the
charge result report.
i
Select to print the overview.
Select to return to the Main Menu.
18. The A/C system of the vehicle at this point is ready
for use.
Robert Bosch GmbH