GM-720
A/C System Maintenance
Centre
6
5) Flushing & Recovery
A
、
Before flushing the pipeline of automotive A/C system, please turn on A/C
system and run it for 5 to 10 minutes. And set it as the lowest temperature
and medium wind.
B
、
Turn off the automotive air conditioning.
Warning: do not start the air conditioning during the flushing process!
Otherwise, it easily causes damages to the air-conditioning and risk
of accident!
C
、
Press
key to select the “Recovery/Flushing” function.
D
、
The LED displays the flushing time.
E
、
Set the flushing time by pressing “+” or “-” key and press “ENTER” key to
conform it. In order to achieve good flushing performance, the flushing
time should be more than 30 minutes. Normally, the good flushing time is
about 45 minutes for car.
Note: The flushing time does not include the time of recovery
process. Once the flushing is finished, the machine will run the
recovery function automatically.
F
、
Press “START” key to run the function.
G
、
Then the forward flushing, reverse flushing and pulse flushing will be
run.
H
、
If it displays code as F00- during the process, please refer to the
APPENDIX: ALARM CODE TABLE.
I
、
After flushing process finished, the recovery process run automatically.
J
、
When the whole process finished, it drain the used roil automatically.
Notice: it’s normal for that there have action sound of the solenoid
valve during the working process. Please do not stop it.
6) Vacuum
A
、
Press
key to select the vacuum function.
B
、
The LED displays the vacuum time.
