Fig. 12 - 12
5
2
3
4
● Loosen screw 1.
● Fit the fork wrench (SW 27) to the spring clamp ring 2 using it to hold the regulating
shaft 3.
● While continually turning the balance wheel, adjust the fork wrench on the spring clamp
ring 2 in accordance with the requirement.
● In this position move adjusting crank 4 and ring 5 against the metal frame and tighten
screw 1.
● Carry out a check in accordance with the requirement.
12.05.11 Zero position of the bottom feed dog (with closed gear box)
Requirement
With the stitch length set at "0", the bottom feed dog should not carry out any feeding
motion when the balance wheel is turned.
1
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