Wonderfu X565, Operation Manual, Page: 51 / 59

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(3) Reset data of the vacuum pump oil
In following cases, you need to change pump oil:
(a) When the oil level is lower than minimum, please add oil. When it is higher than maximum level,
please loose the screw and drain some oil.
(b) The lifetime of pump oil is 150 Hours. When you have done vacuum to 150 hours, it will give
warning to change the pump oil. Otherwise, vacuum process cannot be executed.
(c) When the pump oil color changes, need to replace the oil.
(ATTNENTION: Must use the pump oil provided by the manufacturer)
Steps on how to change pump oil
:
(1) Please vacuum 1 minute before changing the pump oil.
(2) Pump position here
MAINTENANCE