MAHLE ACX150, Service Manual

Page: 10 / 202

EN | 9 | ACX150/250 | Layout of the manual
© MAHLE
4.2 Symbols
This paragraph describes the safety
symbols which may be posted on the
service equipment.
4.2.1 Safety
ALTERNATING
CURRENT
SAFETY GROUNDING
CONSULT THE
INSTRUCTIONS
MANUAL
ATTENTION!
ELECTROCUTION
HAZARD
CAUTION !: DO NOT
REMOVE THE COVER
(maintenance
technicians only)
USE PROTECTIVE
GLOVES
WEAR PROTECTIVE
GOGGLES
USE ANTI-SMASH
SAFETY SHOES
4.3 Glossary
To make the reading of this manual
easier, we have prepared the list of the
most important technical terms used in
the manual.
Refrigerant: Refrigerant fluid used in
advanced motor vehicle A/C systems.
The following refrigerant fluids may be
used:

R-1234yf CH2CFCF3 2,3,3,3-
Tetrafluoropropene.

R-134a C2H2F4 - 1,1,1,2-
Tetrafluoroethane
A/C system: air conditioning system.
Equipment:
ACX150/250 service station
for recovering, recycling, draining and
charging the A/C system.
External tank: Refrigerant bottle used to
fill the internal tank.
Internal cylinder: cylinder for refrigerant
storage.
Phase: Performance of a single function.
Cycle: Sequence of steps.
Recovery: Extraction of refrigerant from
the vehicle.
Recycling: Cleaning of refrigerant,
includes: separating out oils, removal of
non-condensable gas and
single/multiple pass through filters to
reduce humidity, acidity and particulate
content of the fluid.
Disposal: disposal of refrigerant for
storage followed by
destruction/scrapping by an authorised
waste management centre.
Vacuum cycle: Draining out of a motor
vehicle A/C system and separation out of
condensed matter and humidity, using
only the vacuum pump.
Oil charge: Charge of oil into an A/C
system to ensure the correct charge as
specified by the vehicle's manufacturer.
Charge: filling of refrigerant into the A/C
system in the amount specified by the