5. MECHANICAL DESCRIPTIONS

5-6. Lubrication mechanism

Flow of oil

1176B

1.Oil feeding

2.Oil tank

3.

Plunger pump

<3> Oil gauge window

4.

Rotary hook shaft bush

 

 

 

 

 

 

 

5.

Rotary hook shaft

[5] Adjusting screw

6.

Rotary hook

 

 

(Continued on next page)

Z-8550A, 8560A

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