Kemppi MF 29 - Manual (Page 10)

EN
3. INSTALLATION
3.1 Assembly of MIG system
Assemble the units in order mentioned below and follow mounting and operation
instructions which are delivered in packages.
Installation of power source
Read paragraph: ”Installation” in operation instructions for FastMig power sources and carry
out the installation according to that.
Mounting of KM power sources to transport wagon
Read and follow the instructions given in the transport cart installation/assembly manual
Connecting cables
Connect the cables in accordance with the equipment notes provided.
The polarity of the welding wire (+ or -) can be changed by replacing the MF welding current
cable and return current cable with the FastMig™ power source welding cable connector.
Mounting of FastMig wire feed units to boom
NOTE! Wire feed unit must be mounted to boom in such a way that its chassis is galvanic separated
both from swing arm and boom.
Suspension angle of wire feed unit can be changed by moving fixing point in handle.
3.2 Mounting of MIG welding gun
In order to ensure trouble-free welding check in operation instructions of gun used by you
that wire guide tube and contact tip of gun are according to manufacturer’s recommendation
suitable to be used for wire feed diameter and type in question. To tight a wire guide tube
might cause for wire feed unit a bigger stress than normally as well as disturbances in wire
feed.
Screw snap connector of gun tight that there won’t come any voltage losses on connecting
surface. A loose connection will heat gun and wire feed unit and feeder.
3.3 Mounting and locking of wire spool
A
B
• Release the locking nut (A)!
• Mount the spool at its place. Note rotating direction of spool
• Lock the spool with locking nut.
NOTE! Check that in filler wire spool there are no parts sticking out, which could e.g. chafe against
chassis or door of wire feed unit. Dragging parts might expose chassis of wire feed unit under
voltage.
FastMig MF 29
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