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7. MECHANICAL DESCRIPTIONS
S-7200C
62
７-５. Lubrication mechanism (thread take-up and rotary hook)
This sewing machine’s lubrication mechanism is a dry head type using tank lubrication.
The oil level can be checked in the oil gauge window without needing to tilt back the machine head or operate the sewing
machine.
Thread take-up minimum lubrication
* Fine adjustments can be made to the lubrication amount for the rotary hook using the adjustment screw.
(Refer to “10-19. Adjusting the rotary hook lubrication amount (-[]0[], []3[] specifications)”.)
To upper shaft, thread take-up and needle bar, etc. (-[]0[] specifications)
1. Oil feeding pocket
2. Oil tank
3. To upper shaft, thread take-up
and needle bar, etc.
4. Sub tank
(1) Oil gauge window
(2) Upper reference line
(3) Oil gauge
(4) Lower reference line
To rotary hook and rotary hook shaft (-[]0[], -[]3[] specifications)
1. Oil feeding pocket
2. Oil tank
3. To rotary hook and rotary hook shaft
4. Remaining return oil
5. Sub tank
(1) Oil gauge window
(2) Upper reference line
(3) Oil gauge
(4) Lower reference line
(5) Plunger pump
4344M
4343M