LUBRICATION
MAINTAINANCE
The machine has to be oiled before use.
Monthly:
Oiled on thread cutter, needle bar and pressure
foot bar.
Release the screw shown in the figure.
Lubricated by grease from the oil point, retighten
the screw.
Warning:
Do not drop oil and grease on the belt.
Yearly:
Open the cover, lubricated by grease on feed
dog gear, looper cam and moving parts of
needle bar breaker.
Warning:
Do not drop oil and grease on the belt.
Yearly:
Release the carbon brush cap, replace new
carbon brush.