Lincoln Electric IDEALARC DC-600 Service Manual page 58

F-14
CONTROL TRANSFORMER (T2) VOLTAGE TEST (continued)
FIGURE F.1 - Control Transformer and Lead Locations
PROCEDURE
1. Disconnect main AC input power to the machine.
2. Remove the Top and Case Sides.
3. Locate the Control Transformer (T2) on the left side
of the Input Box (facing the back the of the
machine). See Figure F.1.
4. Locate the Control Transformer primary leads (H1,
H2, H3, etc.). See wiring diagram.
NOTE: Unused leads should be taped.
a. Inspect for broken or incorrect connections.
TROUBLESHOOTING AND REPAIR
IDEALARC
5. Locate Control Transformer leads X1 and X2.
a. Lead X1 is connected to the Input Contactor
(CR1) interlock located underneath the Input
Contactor. See Figure F.1.
b. Lead X2 is connected to the secondary wind-
ing thermostat. See Figure F.1.
® DC-600
F-14