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High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List
3.5
Thread Take-up
Lever Oil Supply
Adjustment
Adjust the amount of oil supplied
to the thread take-up and needle
bar crank ‘2’ by turning adjusting
pin ’1’ (Figure 8).
The minimum amount of oil is
reached when marker dot ‘A’ is
brought close to needle bar crank
‘2’ by turning the adjusting pin ’1’
in direction ’B’.
3.4
Lubrication
Before turning the machine on,
fill oil reservoir ‘1’ with sewing
machine oil up to ‘MAX’ mark ‘A’
(Figure 7).
When the oil level lowers below
‘MIN’ mark ‘B’, refill the oil reser-
voir with the specified oil.
When you operate the machine af-
ter lubrication, you will see splash-
ing oil through oil sight window ‘2’
if the lubrication is adequate.
Note that the amount of the splash-
ing oil is unrelated to the amount
of the lubricating oil.
Figure 7
Figure 8
When you first operate
your machine after set
up or after an extended
period of disuse, run
your machine at 2,000
to 2,500 spm for about
10 minutes for the
purpose of bread-in.
Precaution
The maximum amount of oil is
reached when marker dot ‘A’ is
brought to the position just oppo-
site from the needle bar crank by
turning the adjusting pin ’1’ in di-
rection ‘C’.