Brother International S-7220B Instruction Manual - English - Page 48

Checking, CLEANING, B. Oil tank oil quantity

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11. CLEANING B. Oil tank oil quantity Check the oil gauge window (1), and add more oil if the oil gauge (2) is below the lower reference line. (Refer to page 8.) Upper reference line Lower reference line 3752M 3. Checking 1. Replace the needle if it is bent or if the tip is broken. 2. Check that the upper threads have been threaded correctly. (Refer to page 15.) 3. Carry out a test sewing. 3753M 41 S-7220B

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S-7220B
11. CLEANING
41
B. Oil tank oil quantity
Check the oil gauge window (1), and add more oil if the oil
gauge (2) is below the lower reference line.
(Refer to page 8.)
3. Checking
1. Replace the needle if it is bent or if the tip is broken.
2. Check that the upper threads have been threaded
correctly. (Refer to page 15.)
3. Carry out a test sewing.
Upper reference
line
Lower reference
line
3752M
3753M