MAHLE ACX150, Service Manual

Page: 19 / 202

EN | 18 | ACX150/250 | Maintenance
© MAHLE
1. disconnect the HP and LP
hoses from other
systems/circuits or vehicles
and close the quick
couplers
2. wait the ends the hoses
emptying.
3. confirm to have already
worn the personal protective
equipment (PPE) and follow
the safety regulations in
force.
DANGER OF CONTACT WITH R134a
REFRIGERANT and motor vehicle A/C
system oil
4. Before opening the doors of
the equipment, switch off
the equipment and
disconnect the power
supply cord.
DANGEROUS VOLTAGE HAZARD
5. Remove the six screws that
fix the front door of the unit.
6. Unscrew the 2 connection
nuts of the filter by means of
the hex keys.
7. Remove the straps that
wind up the filter
8. Install the new filter paying
attention to the position of
gaskets and to the direction
of the arrow indicating the
fluid flowing direction.
9. Screw the two connection
nuts of the filter.
10. Replace the front panel
11. Carry out the automatic leak
test requested by the
software when switched on
again after the filter
replacement.
6.12 System info
In the main menu select MAINTENANCE
and press “INFO”.
In the INFO page, at any time, the
software version and the serial number
can be displayed.
6.13 System update
The firmware (software) can be
updated by way of a USB stick.(where
the new version is stored)
1. Insert the USB stick in
USB port (fig.3 pos.4)
2. Power on ACX150/250.
3. In the main menu select
MAINTENANCE and
press “SYSTEM
UPDATE”.
DRYER FILTER
NUTS