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bm36d1ea
7
MAINTENANCE
Regular maintenance is important for safe, reliable operation.
CAUTION!
All guarantee undertakings from the supplier cease to apply if the customer himself
attempts any work in the product during the guarantee period in order to rectify any faults.
7.1
Inspection and cleaning
Wire feed unit
Check regularly that the wire feed unit is not clogged with dirt.
S
Cleaning and replacement of the wire feed unit mechanism’s worn parts should
take place at regular intervals in order to achieve trouble--free wire feed. Note
that if pre--tensioning is set too hard, this can result in abnormal wear on the
pressure roller, feed roller and wire guide.
The brake hub
The hub is adjusted when delivered, if
readjustment is required, follow the instructions
below. Adjust the brake hub so that wire is slightly
slack when wire feed stops.
S
Adjusting the braking torque:
S
Turn the red handle to the locked position.
S
Insert a screwdriver into the springs in the hub.
Turn the springs clockwise to reduce the braking torque
Turn the springs counterclockwise to increase the braking torque.
NB:
Turn
both springs through the same amount.
Welding gun
S
Cleaning and replacement of the welding gun’s wear parts should take place at
regular intervals in order to achieve trouble--free wire feed. Blow the wire guide
clean regularly and clean the contact tip.
8
ORDERING SPARE PARTS
Feed 302 is designed and tested in accordance with the international and European
standards IEC/EN 60974--5 and EN 60974--10. It is the obligation of the service unit
which has carried out the service or repair work to make sure that the product still
conforms to the said standard.
Spare parts may be ordered through your nearest ESAB dealer, see the last page of
this publication.
GB
