32
C. Adjustment of the movable and fixed knife
a) Adjustment of the movable knife-edge and hook stopper
ⓐ
When a movable knife
①
passes the front side of the hook stopper
②
, limit the clearance to be within 0.7~0.8 mm range as the
picture
③
shows. The upper surface of the movable knife-edge
④
should be set up 0.35~0.45mm below the lower side of hook
stopper
⑤
.
ⓑ
Clearance adjustment of the movable knife-edge and hook stopper front side
※
Loosen the needle plate and secure the hook stopper on the needle plate
※
Unfasten the fixing screw
⑥
of the movable knife shaft eccentric bushing
⑦
. Insert a thin driver or any adequate size pin into
the hole
⑧
of the eccentric bushing
⑦
and turn it to the left and right. The clearance will be adjusted as the position of the
movable knife shaft
⑨
changes.
※
After the clearance adjustment, retighten the bushing fixing screw
⑥
firmly.
③
⑤
⑦
⑨
⑥
①
⑧
[ Fig. 55 ]
①
②
④
⑦
Summary of Contents for KM-1060BL
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