Lincoln Electric LWF-4GS, Operator'S Manual, Page: 11 / 12

C-1
MAINTENANCE
C-1
Note
: Motor and gear box are maintenance free products, do not open them for maintaining, repairing or
oiling. Contact your nearest Lincoln Electric Service Center if a fault occurs.
Location Inspection Points Note
Wire Outlet

Check if there is any dust and
metal particles accumulated
at the entrance of the wire
outlet and on the surface of
the drive rolls.

Clean the dust and metal
particles and find out the
cause.

Check if the diameter of the
outlet suits the wire diameter.

If not suitable, erratic arc or
metal particles will occur.

Check if the end of the wire
outlet is lined up with the V
groove of the drive roll.
(Visual inspection)

If they are not lined up,
erratic arc or metal particles
will occur.
Drive rolls

Check if the size of the drive
roll is suitable for the diameter
of the wire used.

Check if there is any fragment
sticking in the groove.

Metal particles and dust in
liner will cause erratic arc.

Replace if abnormal.