Lincoln Electric IDEALARC DC-600 Service Manual page 102

F-58
LIFT BAIL REMOVAL (INCLUDING MAIN TRANSFORMER,
CHOKE AND OUTPUT BRIDGE ASSEMBLY) (continued)
SHUNT
1. Disconnect gate leads.
a. On later models, remove gate lead Molex
Plug J5 from the Firing Board.
b. On earlier models, identify and label the
six gate leads and cut or unsolder the
leads from their respective Snubber Board.
2. Disconnect the Shunt lead from the SCR
Bridge Assembly. See Figure F.21.
TROUBLESHOOTING AND REPAIR
FIGURE F.21 - Lift Bail Removal
LIFT BALE
IDEALARC
RESISTOR
3. Disconnect the leads from the secondary ther-
mostat. See wiring diagram.
4. Disconnect auxiliary winding leads.
a. On later models, remove Molex Plug J5
from the Firing Board.
b. On earlier models, disconnect the follow-
ing leads from the terminal strip in the
Control Box: 31, 32A, 203, 204, 205, 206,
207, and 208.
® DC-600
F-58