Autool LM 706 Manual - Page 14
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B 、 Remove the blue low-pressure refrigerant pipe from the equipment and the high-pressure
quick coupling from the red high-pressure pipe.
C、Use red high-pressure pipe to short-circuit the high-pressure and low-pressure interfaces.
D、Run it and will stop automatically.
3.11.2.7 Release air
When the pressure in the equipment tank is higher than the normal standard pressure (refer to the temperature and
pressure comparison table on the side of the equipment), it is necessary to exhaust.
When there is a high pressure alarm, the pressure will be released automatically.
In order to prolong the service life of the equipment, it is recommended to exhaust once a month.
Info & inquiry
3.11.2.8
System inquiry: you can query the equipment usage.
Servicer info: inquire about the phone number of the service provider.
Equipment infor: query equipment serial number, software and hardware version and other information.
Change vacuum pump oil
3.11.2.9
A、When the pump oil became cream or the unit displays maintenance message, the vacuum
pump oil must be changed.
B、If not change the pump oil, the vacuum function will not be able to run.
C、Steps:
Step1: open the back cover.
Step2: Unscrew the block of the drain port to drain entirely out the old oil. Then re-back the
block to the drain port.
Step3: Unscrew the cap of the fill port and then fill the new oil slowly into the vacuum pump
until the oil level reach at the center site. Then re-back the cap to the fill port.
Note: the new vacuum pump oil cannot be filled too much into the vacuum pump
otherwise it will spray out when working.
Fill port
Window
Drain port
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LM 706 A/C Service Station