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5. MECHANICAL DESCRIPTIONS
Z-8550A, 8560A
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5-6. Lubrication mechanism
： Flow of oil
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)
1176B