Opening Cover; Adjusting Differential Feed Dog - Yamato CZ8000 Instruction Manual

5. Proper operation

5.6 Opening cover

Front cover ①
To open the front cover ①, slide it to the right and tilt
toward you.
For closing, stand the cover. The spring tension makes it
slide to the left.
Cloth plate ②
To open the cloth plate ②, shift it to the left while press-
ing the lever ③.
For closing, shift it to the right. Make sure that it has
been locked securely.

5.7 Adjusting differential feed dog

Loosen the lock nut ④ and adjust the differential feed
lever ⑤.
Moving up will make stretching and moving down will
make gathering.
Differential ratio up to 1:0.6 - 1:2 or 1:1 - 1:3 is available
by internal adjusting mechanism respectively.
Adjust the graduation, differential ratio, and max. stitch
length according to Table 6.
CZ8000
②
Fig. 5-7
④
Fig. 5-8
Graduation
S
1
2
3
Table 6
12
①
③
⑤
Differential Max. stitch
ratio length (㎜)
1:0.7
1:1
1:1.6
1:2.3
4
4
4
3