| ACX380/4850 | 24 en
14.8
Pump oil change
Required tools:
•
1 flat screwdriver
•
1 Hex key (10 mm)
For replacement, comply with the 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.
4.
Once the pump has been emptied, screw the
lower plug again.
5.
Fill the pump with new oil through the upper
opening, using a funnel if needed. Bring new oil
level halfway through the oil inspection window.
6.
Once the pump has been filled, close the upper
plug.
Once oil has been replaced, switch on the unit and from the
MAINTENANCE menu select PUMP OIL CHANGE: press
OK to reset the counter.
14.9
Dryer filter change
The dryer 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. Now you can
replace the filter.
Required tools:
•
1 flat screwdriver
•
1 cross screwdriver
•
1 regular or torque Hex key (14 mm)
•
1 Hex key (16 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/R1234yf 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.
Close the front panel
11.
Carry out the automatic leak test requested by the
software when switched on again after the filter
replacement.
Oil inspection
window
Upper filling plug
Lower
drain plug
Oil
DRYER
FILTER
NUTS
Содержание ACX380
Страница 1: ...MAHLE ACX380 480 EN Service Manual A C Service Equipment...
Страница 31: ...en 31 ACX380 480 APPENDIX 1 REFRIGERANT FLUID CIRCUIT ACX380 480 H...
Страница 32: ...ACX380 480 32 en APPENDIX 2 REFRIGERANT FLUID CIRCUIT ACX380 480 OPERATIONAL CYCLES Uncondensable gases H...
Страница 33: ...en 33 ACX380 480 Recovery cycle H...
Страница 34: ...ACX380 480 34 en Vacuum H...
Страница 35: ...en 35 ACX380 480 Recharge H...
Страница 45: ...MAHLE Aftermarket Italy S p A Via Quasimodo 4 a 43126 Par ma ITALY 2019 10 28...