– 6 –
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
3-4. Lubrication
1) Lubricating oil to oiling tank
™
Fill the oiling tank with New Defrix Oil No.1 up to the level indicated by “MAX”
1
.
2) Adjusting the lubrication for the sewing hook
™
Adjust the amount of ol suppled to the sewng hook by loosenng lock nut
2
and turnng ol amount
adjustng screw
3
.
™
Amount of suppled ol s reduced when turnng the screws
3
clockwse.
™
Fx the screw wth lock nut
2
after adjustng the lubrcaton for the sewng hook.
™
When you first operate your sewing machine after set-up or after an extended period of disuse, remove
the bobbn case and apply a few drops of ol to the hook race. In addton, apply a few drops ol from
olng hole
5
n hook drvng shaft front metal
4
to soak the nsde felt n ol.
Detailed diagram of oil amount adjusting section
23
Decrease
Oil amount
Increase
Oil pipe
3
2
1
5
4
Содержание AC-172N-1790
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