– 38 –
1. After a long period of usage, cartridge filter
1
may become clogged wth dust.
If the machne s left n ths state, the drty ol
may fail to pass through cartridge filter
1
, and
the machne may wear out abnormally, or a se-
zure may result.
※
Cartridge filter
Cartridge filter
1
should normally be checked
once every sx months, and cleaned or replaced
accordngly.
1
2
4
3
If top cover
4
is shifted sideward, the oil
amount pointer bar and the cartridge filter
may be damaged.
7-3. Checking the cartridge filter and replacing it
3) Remove cartridge filter
1
and check t. If the
filter is found to be abnormal, clean the relevant
components, or replace cartridge filter
1
.
4) Re-insert cartridge filter
1
nto ts proper pos-
ton and return the cover. Do not forget to put
back the setscrews and tghten them up.
2. How to inspect the cartridge filter and replace it.
1) Remove first oil discharging screw
2
.
) Remove screws
3
, and lft top cover
4
just
above untl t comes off.
) Use JUKI MACHINE OIL 8 n the machne
head.
2) To change the oil, first drain the oil out by un
-
screwng screw
1
on the tp of the ol dran hose
connected to the ol pan. At ths tme, remove
the cover from the ol nlet hole on top of the ma-
chne head.
3) Refer to "4-. Lubrcaton" for how to lubrcate
the machne.
1
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.