9. ADJUSTMENTS

 

 

 

 

9-2. Adjusting the safety switch position

 

 

The safety switch (1) is normally installed as shown in figure

 

3801M

 

 

[A].

 

 

However, if the processing method used for the table leaves

 

 

too much space between the machine bed and the table hole,

 

 

it may adversely affect the operation of the safety switch (1).

Sewing machine

<Adjustment method>

The standard amount of clearance between the machine bed and the table hole is 1.5 mm.

If the clearance is 3.5 mm or more, install the safety switch

(1) so that the washer (2) is on the machine bed side as shown in Figure [B].

* If the position cannot be satisfactorily adjusted in this way, add more washers of the same thickness.

<Safety switch operation>

3691M

If the spring stroke is too small, the safety switch will not operate.

3.5 mm or more

Table

Clearance is too large.

By changing the position of the safety switch, the required spring stroke can be maintained.

 

Reduce the

clearance.

3690M

 

3692M

Z-8550A, 8560A

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