JUKI MO-6800S Series Instruction Manual page 17

TRIAL MODE − a valid license will remove this message. See the keywords property of this PDF for more information.
3) To extend the usage term, this machine has
once every month and change it with a new one
where necessary.
❷
Needle cooling lubrication oil : SILICON OIL
SILICON OIL
SILICON OIL
– 7 –
❷ ❷