MIG 300 M Manual De Instrucciones página 10

19 – Spot time: When selected the welding spot time. After this time the machine automatically stops.
20 – Burn-back – When selected allows adjust, by means of the adjusting button, the wire length at the torch, at the end of
welding. The burn-back time can be adjusted between 0,1 and 1 second.
21 – Up-slope motor speed – When selected allows adjust, by means of the adjusting button, the up-slope speed motor
time till reach the selected speed. It must be adjusted between 0,1 and 1 seconds.
22 – U2 – Welding voltage – When selected indicates that welding voltage is showed on the digital display.
23 – Adjustment button – Adjusts the selected parameter value.
2.2 – Arcair system
Machines model MIIG 500M (as optional) and MIG 650M (as standard) allow cut or gouging Arcair system.
ARCAIR SYSTEM
The following describes how to prepare machine for operation with Arcair system (Arcair cutting, Arcair
gouging or bevelling).
1 – The user must read security instructions and protect itself with the above individual protection
equipment: leather gloves, protection mask DIN 9, gaiters and apron.
2 – With machine disconnect from power
supply, withdraw power plug of interconnection
cable (positive connexion). Make sure that it
cannot touch live electrical parts.
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300M / 350M / 400M / 450M / 500M / 650M
3 - After connecting Arcair electrode holder, check the contact
tightness of power cable.