Counters; E³ Pump - Pump Oil Change - MAHLE ACX150 Manuel D'utilisation

We recommend running this procedure
every time the ACX150/250 will be moved
from a location to another with a different
altitude.

14.7 Counters

In the main menu select MAINTENANCE
and press "COUNTERS".
In the COUNTERS page, at any time, the
vacuum pump and compressor hours of
life can be displayed; besides, remaining
time before replacement of vacuum pump
oil and dryer filter can also be displayed.
This is useful to understand if some
maintenance activity should be performed.
14.8 E³ pump - pump oil
change
The ACX150/250 is equipped with a
special function named E³ PUMP that
enables to optimize the vacuum pump oil
use by avoiding the replacement every 60
hours of operation.
E³ PUMP is a special function allowing to
extend even to 1000 hours the life of the
pump oil used in the station. E³ PUMP
function performance is suggested at the
end of 60-hour operation intervals of the
vacuum pump and can be manually
activated in the MAINTENANCE menu
pressing E³ PUMP.
E³ PUMP procedure has to be started
only after checking and, if necessary,
topping up the pump oil level and lasts 1
hour: during this time the tool cannot be
used.
During the procedure
automatically purified from the gaseous
polluting residues absorbed during the
emptying operations
conditioning systems.
the oil is
of vehicles air
EN | 28 | ACX150/250 | Maintenance
At the end of the procedure, the vacuum
pump performance check is carried out
and a result to the operator is signalled.
In case of negative result you have to
replace the vacuum pump oil.
After 1000 hours of vacuum pump
operation since the last oil change, the E³
PUMP procedure cannot be activated
anymore and you have to replace the oil
according to the following instructions.
Required tools:

1 Hex screwdriver (2.5 mm)

1 Medium-sized
screwdriver

1 Hex key (10 mm)
For replacement,
instructions outlined below:
1. Disconnect the unit from the
mains.
2. Remove the six screws that fix
the front door of the unit and
remove it.
3. Place a bowl underneath the
machine, right under the pump
oil drain hole. Open the upper
plug and then the lower plug to
drain the used oil contained
within the vacuum pump.
flathead
comply with the
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