Kemppi KMS 400 MVU [11/16] Maintenance 6

Kemppi KMS 400 MVU [11/16] Maintenance 6
EN
OperatiOn COntrOl switChes and pOtentiOMeters4.
Main switCh i/O4.1
When you turn the switch into I-position, pilot lamp H11 on the front face is illuminated and
the machine is ready for use.
NOTE! Always turn the machine on and o with the mains switch, never use the mains plugs as a
switch.
pilOt laMps4.2
The pilot lamps of the machine report the electric operation:
The green pilot lamp H11 when lit indicates that the machine is on and ready for use and it is
connected to the mains supply with the main switch in the I-position.
H12 indicates when lit that the thermal protection of the machine has been activated due to
over heating. The cooling fan will continue to run and cool the machine down and when the
lamp is o the machine is ready to weld.
OperatiOn OF COOling Fan4.3
In FastMig power sources there are two simultaneously operating fans.
The fan is started for a moment when main switch is placed into position I.•
The fan will start during welding as the machine heats up and it will run for 1 to 10 •
minutes after the welding has stopped.
Manual Metal arC welding5.
The FastMig power source can be used in electrode welding by connecting a FastMig
MFS 53, MFS 55 or MSF 57 wire feeder to it. The power source can be made suitable for
electrode welding without a wire feeder by connecting an R10 or R20 remote control to the
X14 or X15 terminal at the back of the power source for welding current adjustment, and the
welding power cable connected to the power sources (+) connector X11 or X12.
MaintenanCe6.
The amount of use and the working environment should be taken into consideration
when planning the frequency of maintenance of the machine. Careful use and preventive
maintenance will help to ensure trouble-free operation.
Cables6.1
Check the condition of welding and connection cables daily. Do not use damaged cables.
Make sure that the mains cables in use are safe and according to laid down regulations.
The repair and mounting of a mains connection cable should be carried out only by an
authorised electrician.
pOwer sOurCe6.2
NOTE! Disconnect the plug of the machine from the mains socket and wait approx. 2 minutes
(capacitor charge) before removing the cover plate.
Check at least every half year:
Electric connectors of the machine – clean the oxidised parts and tighten the loosened •
ones.
Note! You must know correction tension torques before starting the reparation of the •
joints.
Clean the inner parts of the machine from dust and dirt e.g. with a soft brush and •
vacuum cleaner. Also clean the ventilation net behind the front grate.
Do not use compressed air, there is a risk that dirt is packed even more tightly into gaps •
of cooling proles.
9
FastMig KMS 400 MVU / © Kemppi Oy / 1042

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