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Tweco 400 MST Arc Master User Manual

Page 39

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400MST

9

ADVANCED TROUBLESHOOTING

9 – 2

CAUTION

The capacitors inside the power supply will slowly discharged after you turn off the switch of the power sup-
ply or the switch at the breaker box (distribution panel). Wait at least 5 minutes for the discharge to complete.

2) Remove all screws and nuts on the side covers.

3) Loosen the screws on the front panel and the rear panel by turning them approximately two turns CCW.

NOTE

DO NOT remove the screws completely.