Lubricating The Hook - Bernina 740 Manual

Lubricating the hook

Electronically driven components.
CAUTION
Risk of injury near the needle and the hook.
> Switch the machine off and disconnect it from the power supply system.
> The bobbin case is removed.
> Push the release lever to the left.
> Flap down the fastening bracket along with the black hook race cover.
> Remove the hook.
> Fill as much BERNINA-oil into both oil depots so that the felts are damp and make sure that the surface
of the hook sleeve (marked in red) remains free of oil.
> Hold the hook at the pin in the center with two fingers.
> Lead the hook, lower edge ahead, angular top-down behind the hook race cover.
> Position the hook with the two lugs meeting the openings in the hook, the colored mark on the hook
driver should be visible through the hole in the hook.
036044.50.04_2014-09_Manual_740_EN
Attachment
117