JUKI LK-1900B series - Adjustment of Hook Oil Amount; Oscillator Gear Positioning

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(6) Oscillator gear positioning
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
1.Whentheoscillatorislightlyswungbyangerinthedirectionofthearrow,theoscillator
❷
isxedin
the center position of swinging.
(7) Adjustment of hook oil amount
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
No. 2 screw
No. 1 screw
B: 8.5 to 9.0 mm