5. MECHANICAL DESCRIPTIONS

： Flow of oil

1119B

0090B

1.Plunger pump

2.Rotary hook shaft bush

3.

Rotary hook shaft

<3> Adjusting screw

4.

Felt

(Adjusts the size of the outlet.)

5.

Screw

<4> Bed

6.Lubricating felt

7.Wick felt

41

Z-8550A, 8560A