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4-12. Adjusting the oil quantity in the hook
WARNING :
To check the amount of oil supplied to the hook, take care not to allow your finger and the oil-amount
checking sheet to come in contact with the moving parts such as the hook and feed mechanism.
Contacting those parts can cause injury.
❶
❶
❷
A
B
C
❷
A sheet of paper
– 36 –
Loosen nut ❶ and turn oil amount adjustment
1)
screw ❷ to adjust the amount of oil in the hook.
Turning the screw clockwise A will decrease the
amount of oil in the hook or counterclockwise B
will increase it.
Oil quantity adjusting screw C is fixed. Do
not adjust it.
2)
The appropriate amount of oil, when a sheet of
paper is placed near the periphery of the hook,
is to such an extent that splashes of oil from the
hook appear in approximately five seconds as
shown in the figure on the left.
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