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8. Lubrication
1. Oil lubrication and check point
The sewing machine head section is of the rotary pump type auto lubrication system.
Remove the oil circulation check windows (front) and (rear) , and feed a lubricant as high as the level
between the upper and lower engraved marker lines of the oil gauges (front) and (rear) .
2. Oil drain spot
To replace the lubricant, remove the oil drain (front) and (rear) screws and . Upon the completion of oil
drainage, tighten the oil drain (front) and (rear) screws and .
(Caution) To confirm the amount of oil at the oil gauge (rear) , check the crest point of the oil level
indicator that is actuated by an oil float. In some cases, the oil level indicator does not come up
immediately. Make sure not to commit overfilling of the oil in such a case.
Upper and lower engraved marker
lines of the oil gauge (front) and (rear)
Machine head with differential functions
Model: 35800DNU
Upper and lower engraved marker
lines of the oil gauge (front) and (rear)
Machine head without differential functions
Model: 35800DRU
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