Mechanical Adjustment; Top Tension - Janome 4052lx Service Manual

TOP TENSION

TO CHECK:
1. THE STANDARD UPPER THREAD TENSION SHOULD BE 85 G WHEN PULLING THE THREAD (COTTON
THREAD #50) IN THE DIRECTION OF (C) WITH SETTING THE TENSION DIAL AT "4". (MAKE SURE THE
FOOT SHOULD BE LOWERED.)
IF THE TENSION IS OUT OF THE STANDARD RANGE, ADJUST IT AS FOLLOWS:
* PULLING SPEED FOR THE NEEDLE THREAD IS APPROXIMATELY 59 MM/ SECOND.
2. REMOVE THE FACE COVER, AND TURN THE ADJUSTING SCREW WITH THE SCREWDRIVER.
IF THE TOP TENSION IS TOO TIGHT, TURN THE ADJUSTING SCREW (D) IN DIRECTION "A".
IF THE TOP TENSION IS TOO LOOSE, TURN THE ADJUSTING SCREW (D) IN DIRECTION "B".
3. ATTACH THE FACE COVER.

MECHANICAL ADJUSTMENT

(C)
ADJUSTING SCREW (D)
(B)
(A)
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