EN | 28 | ACX120/220 | Maintenance
© MAHLE
14.10.1
Oil pump visual
check
Without opening the equipment is always
possible to remove the rubber tap in the
following position
to check level and the clearness of the oil
inside the pump.
14.11
Dryer filter
replacement
The dehydrator filter must be replaced
after having dehydrated 150 kg of
refrigerant fluid, since the filter capacity to
keep the humidity present in the
refrigerant will run out.
To replace the dryer filter, from the
MAINTENANCE menu select DRYER
FILTER REPLACEMENT: press “START”
to set the counter to zero and to start the
filter replacement procedure.
Insert the code of the new filter by the
keyboard. Now you can replace the filter.
Required tools:
1 Hex screwdriver (2.5 mm)
1 regular or torque Hex key (24
mm)
1 Hex key (17 mm)
For replacement, comply with the
instructions outlined below:
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
DRYER FILTER
NUTS