17
2. Use
or
to set the vacuum time (suggest at least10 minutes).
3. Press
, the device will start vacuum operation.
4.The device will be finished automatically after expiry of the vacuum time
,
press
return to the standby mode.
5. wait about five minutes and check the state changing from the LP gauge
indicator, if the pressure is raising, you need to confirm the air-conditioning’s
leakage. If leakage happens, you should repair it. If not, continue the next
process.
Note: if the A/C system is not opened to air, the suggested vacuum time is 5-10
minutes. If it is, the minutes should be 20-30.
If there is an heating belt for the equipment, the suggested minutes is at
least 10 minutes. The heating belt only work during the vacuum process.
7.3 Oil injection
This operation is to make up of new PAG oil into vehicle A/C system though
the Air-Con Service Station. it must be a vacuum state that the new oil could be
added into the A/C system.
VAC U UM
RUN N IN G * *
:
* *
VAC U UM F IN ISH E D
PRE S S O K TO CO N F IRM !