Preparation Of The Sewing Machine; Lubrication; Attaching The Needle - JUKI AMS-224EN-4530 Instruction Manuals

4. PREPARATION OF THE SEWING MACHINE

4-1. Lubrication

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
1) Check that the place between lower line B and upper line A is
filled with oil. Fill there with oil using the oiler supplied with the
machine as accessories when oil is short.
The oil tank to lubricate is for lubricating to the hook portion and the gear box portion.
For the hook portion, the oil amount can be decreased when the number of revolutions used is
low and the oil amount is large. (Refer to
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. (For removing
the shuttle, see
3. Do not put your foot or climb on the sewing machine table or table stand during lubrica-
tion.

4-2. Attaching the needle

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
❶
1.5 mm
❷
A
A
B
B
"III-1-2. Adjusting the needle-to-shuttle relation"
2) Apply one drop of oil to the
"III-1-10. Amount of oil supplied to the hook" p.108
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 .
– 9 –
❶
hook race ❶ part to spread
on it.
p.103.)
.)