Replacement Procedure; Pcb1 (Wk-5493) - Thermal Arc ARCMASTER 300S Service Manual

3
R epl acem ent Procedure
3. 1 PC B 1 ( W K - 5493)
1) Remove the Side Panel. [Reference page : 11-1]
2) Remove the PCB2 (WK-5597). [Reference page : 12-7]
3) Remove the Primary Diode (D1). [Reference page : 12-28]
4) Remove the Current Trans (CT2/CT3). [Reference page : 12-29]
5) Remove the Nylon Hose. Remove the two bolts, and one terminal.
Remove the four screws and open the front cabinet.
6) Remove the two screws and three terminals from the PCB1 (WK-5493).
7) Remove the Reactor (L1). [Reference page : 12-30]
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3
4
3
3
12 – 6
300/ 400TS and 300/ 400S
2
1
2
2
12
M A I N TEN A N C E
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