Lincoln Electric Linc Feed 22M Operator's Manual page 9

switched on.
•
When the weld is stopped, the Cooler continues to
run for about 5min., after this time, it is automatically
switched off.
•
If the weld is restarted in a time lower than 5min.,
the Cooler continues to run.
The wire feeder has the possibility to switch the
automatic work of the water cooler off and set it in
continuously work. If it is necessary to change the water
cooler kind of work, you should:
•
Switch off the machine which supplies the wire
feeder.
•
Set the knob of the choice wire diameter selection
[10] in "1.0" position. Set the knob of the choice
welded material and gas mixture [11] in "CRNI
(98%AR 2%CO )" position.
2
• Switch the supply of the wire feeder on.
• Within 15s switch the knob of the choice wire
diameter selection [10] in "1.2" position and the
knob of the choice welded material and gas mixture
[11] in "STEEL (100%CO
cooler has been switched on and the display "V"
has lit "on".
If it is necessary to return the automatic work of the
water cooler you should do the foregoing actions again
(the display "V" has lit " 5'' ").
WARNING
The display "V" lights information about work mode of
the water cooler (5"/on) for 2 seconds after the supply of
the wire feeder is switched on.
Changing Driving Rolls
The wire feeder is equipped with drive rolls for the wire
of 1.0 and 1.2mm (for LF 24M/24M PRO) or 0.8 and
1.0mm (for LF 22M). For others wire sizes, is available
the proper drive rolls kit (see chapter Accessories for
ordering the desired kit). Below the drive rolls
replacement procedure:
•
Switch off the machine which supplies the wire
feeder.
•
Release the pressure roll lever [24].
•
Unscrew the fastening cap [25].
•
Open the protection cover [27].
• Change the drive rolls [26] with the compatible ones
corresponding to the used wire.
For wires with the diameter greater than 1.6mm
(only for LF 24M/24M PRO), the following parts are
to be changed:
English
)" position – the water
2
WARNING
•
The guide tube of the feeding console [28] and
[29].
• The guide tube of the Euro socket [30].
•
Replace and tighten the protection cover [27] to the
drive rolls.
•
Screw the protection cover by fastening screws [25].
Maintenance
For any maintenance or repair operations it is
recommended to contact the nearest Technical Service
Center or Lincoln Electric.
performed by unauthorized service centers or personnel
will null and void the manufacturer's warranty.
The frequency of the maintenance operations may vary
in accordance with the working environment where the
machine is placed.
Any noticeable damage should be reported immediately.
Routine maintenance
•
Check condition of insulation and connections of the
work cables and input power supply cable.
•
Remove the spatters from the welding gun nozzle.
Spatters could interfere with the shielding gas flow
to the arc.
•
Check the welding gun condition: replace it, if
necessary.
•
Check condition and operation of the cooling fan.
Keep clean its airflow slots.
Periodic maintenance
Perform the routine maintenance and, in addition:
•
Keep the machine clean. Using a dry (and low
pressure) airflow, remove the dust from the external
case and from the cabinet inside.
•
Check condition of all connections and change if
necessary.
•
Check and tighten all screws.
Mains supply network must be disconnected from the
machine before each maintenance and service. After
each repair, perform proper tests to ensure safety.
6
WARNING
Maintenance or repairs
WARNING
English