Lincoln Electric IDEALARC CV-305 - Manual (Page 86)

CENTER ASSEMBLY REMOVAL AND REPLACEMENT PROCEDURE
(CONTINUED)
TROUBLESHOOTING & REPAIR F-54 F-54
IDEALARC® CV-305
ROCEDURE
1. Disconnect main AC input power input leads to the
machine.
2. Remove the Case Roof and Sides using a 5/16"
nutdriver and 3/8" nutdriver.
3. Disconnect the leads that run from the reconnect
panel to the ON/OFF POWER SWITCH.
a. Pull all leads out through the lift bail assembly.
4. Remove all the Molex plugs from the control board
and the snubber board.
5. Disconnect all leads from the circuit breakers and
switches that could hamper the removal of the
Center Assembly.
a. Make certain all leads are labeled & identified.
6. Remove any line connectors from the 14 pin
amphenol connector.
a. On some codes, the 14 pin amphenol connec-
tor may have to be removed.
7. Remove the choke leads from the negative output
terminals. See wiring diagram.
8. Remove the heavy positive lead from the positive
output terminal. See wiring diagram.
9. Label and cut the fan motor leads and clear leads
for easy removal.
10. Remove the four screws attaching the reconnect
panel to the Base Assembly using a 5/16" nutdriv-
er.
11. Remove the two screws attaching the reconnect
panel to the Case Back Panel.
a. The reconnect panel can be removed with the
Center Assembly.
12. Disconnect leads #204D and 224A connected to
the resistor R1.
13. Attach a lifting device to the Center Assembly Lift
Bail.
a. DO NOT LIFT THE CENTER ASSEMBLY
FROM THE MACHINE. This is to support the
Center Assembly so you can remove the
mounting bolts.
14. Remove the four mounting bolts that attach the
Center Assembly to the Base Assembly using a
9/16" open end wrench and a 3/4" socket wrench.
See Figure F.22.
15. Lift the Center Assembly carefully from the
machine.
a. Clear or cut any leads or cable ties that ham-
per the removal of the Center Assembly.
DETAIL C DETAIL B
LEADS
#204A
#204C
WIRE OF COIL
SLEEVING
LEADS
#221
#222
#223
DETAIL A
}
ONE PER
HEATSINK
(SEE WIRING
DIAGRAM)
A
ISO VIEW FOR REFERENCE ONLY
SEE
DETAIL D
SEE
DETAIL A
SEE
DETAIL C
SEE
DETAIL B
FIGURE F.22
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