Tweco ArcMaster 401MST - Manual (Page 51)

ARCMASTER 401MST POWER SOURCE
Manual 0-5287 3-21 INSTALLATION, OPERATION AND SETUP
WIREFEEDER CONNECTIONS
A. Connect the welding power cable to the negative welding terminal (-). If in doubt, consult the electrode wire
manufacturer. Welding current flows from the Power Source via dinse type connectors. It is essential, however,
that the male plug is inserted and turned securely to achieve a sound electrical connection.
B. Connect the control cable from the Wirefeeder to the 14 PIN or 19 PIN socket on the Power Source as applicable.
!
WARNING
Before connecting the work clamp to the work piece make sure the mains power supply is switched off.
NOTE
Welding Setup Program Storage (10 programs) applies to MIG, Stick and Lift Tig modes.
Positive Welding
Terminal (+)
Work Lead
19 Pin Control Socket
Negative Welding Terminal (-)
Wirefeeder
Tweco No. 4 MIG Torch
Art # A-12553
ARCMASTER 401MST
Figure 3-10 Setup for FCAW Flux Core Arc Welding