Brother HE-800A - Lower Shaft and Rotary Hook Lubrication ･･･････9

1. MECHANICAL DESCRIPTIONS
HE-800A
9
1-8-1. Lower shaft and rotary hook lubrication
1. The oil which is drawn up by the wick (1) is supplied to the lower shaft (2).
2. The oil which is drawn up by the wick (3) passes through the felt (4) and the rotary hook joint (5) to the felt (6),
where it is supplied to the rotary hook (7).
3. The oil that is supplied to the rotary hook (7) can be adjusted by turning the screw (8) to vary the amount by
which the rubber presser (9) presses down on the collar (10) that the wick passes through.
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4055Q