JUKI MO-6904S - Checking the cartridge filter and replacing it; Changing the machine oil

– 38 –
1. After a long period of usage, cartridge lter
❶
may become clogged with dust.
If the machine is left in this state, the dirty oil
may fail to pass through cartridge lter
❶
, and
the machine may wear out abnormally, or a sei-
zure may result.
※
Cartridge lter
❶
should normally be checked
once every six months, and cleaned or replaced
accordingly.
If top cover
❹
is shifted sideward, the oil
amountpointerbarandthecartridgelter
maybedamaged.
7-3.Checkingthecartridgelterandreplacingit
3) Remove cartridge lter
❶
and check it. If the
lter is found to be abnormal, clean the relevant
components, or replace cartridge lter
❶
.
4) Re-insert cartridge lter
❶
into its proper posi-
tion and return the cover. Do not forget to put
back the setscrews and tighten them up.
2. How to inspect the cartridge lter and replace it.
1) Remove rst oil discharging screw
❷
.
2) Remove screws
❸
, and lift top cover
❹
just
above until it comes off.
1) Use JUKI MACHINE OIL 18 in the machine
head.
2) To change the oil, rst drain the oil out by un-
screwing screw
❶
on the tip of the oil drain hose
connected to the oil pan. At this time, remove
the cover from the oil inlet hole on top of the ma-
chine head.
3) Refer to
"4-2.Lubrication"p.15
for how to
lubricate the machine.
7-4.Changingthemachineoil
CAUTION :
TurnOFFthepowerbeforestartingtheworksoastopreventaccidentscausedbyabruptstartofthe
sewingmachine.
❶
❷
❹
❸
❶