Lincoln Electric IDEALARC DC-655 Service Manual page 70

F-28
CONTROL TRANSFORMER (T2) TEST (continued)
TEST PROCEDURE
1. Disconnect the main AC input voltage to the
DC-655.
2. Remove the case top and sides.
3. Locate the control transformer (T2) on the
left side of the input box (facing the back of
the machine). See Figure F.10.
TROUBLESHOOTING & REPAIR
FIGURE F.10 – CONTROL TRANSFORMER
211
IDEALARC DC-655
4. Locate the control transformer primary leads
(H1, H2, H3, etc.). See the Wiring Diagram.
NOTE: Unused leads should be insulated and
taped. Inspect for broken or incorrect connec-
tions.
F-28