Kemppi KMS 400 MVU User Manual download pdf (Page 10)

4. MANUAL METAL ARC WELDING

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 source’s (+) connector X11 or X12.

5. MAINTENANCE

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.

5.1 Cables

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.

5.2 Power source

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.

• Do not use pressure washing device.

• Only authorised electrician shall carry out repairs to the machines.

5.3 Regular maintenance

Kemppi Service Workshops make regular maintenance according to agreement.

The major points in the maintenance procedure are listed as follows:

• Cleaning of the machine

• Checking and maintenance of the welding tools

• Checking of connectors, switches and potentiometers

• Checking of electric connections

• Checking of mains cable and plug

• Damaged parts or parts in bad connection are replaced by new ones

• Maintenance testing. Operation and performance values of the machine are checked,

and adjusted when necessary by means of test equipment.

FastMig KMS 400 MVU

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Kemppi KMS 400 MVU User Manual Page 10