– 19 –
4. PREPARATION OF THE SEWING MACHINE
4-1. Lubrication
A
B
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start or
the sewing machine.
Check that the place between lower line
B
and
upper line
A
is filled with oil. Fill there with oil us
-
ing the oiler supplied with the machine as acces-
sories when oil is short.
The oil tank which is filled with oil is
only for lubricating to the hook portion.
It is possible to reduce the oil amount
when the number of rotation used is low
and the oil amount in the hook portion
is excessive. (Refer to
of oil supplied to the hook" p.121
.)
1. Do not lubricate to the places other than the oil tank and the hook of Caution 2 below.
Trouble of components will be caused.
2. When using the sewing machine for the first time or after an extended period of disuse,
use the machine after lubricating a small amount of oil to the hook portion. (Refer to
1-2. Adjusting the needle-to-shuttle relation" p.115
.)
4-2. Attaching the needle
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start or
the sewing machine.
Loosen setscrew
❶
and hold needle
❷
with the long
groove facing toward you. Then fully insert it into the
hole in the needle bar, and tighten setscrew
❶
.
When tightening setscrew
❶
, be sure
to use the screwdriver (Part No. :
40032763) supplied as accessories.
Do not use L-shaped hexagon wrench
key. There is a danger of breaking set-
screw
❶
.
❶
❷
1.5mm
3-17. Installing the eye protection cover
WARNING :
Be sure to attach this cover to protect the eyes from the disperse of needle breakage.
Use eye protection cover
❶
after securely attach-
ing it on face plate cover
❸
with screw
❷
.
❶
❸
❷
