18 thermistor (th2), 19 fan (fan1) – Tweco 400 MST Arc Master User Manual

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400MST

9

ADVANCED TROUBLESHOOTING

9 – 36

2.4.18 Thermistor (TH2)



1) Remove the side cover. [Reference page: 9-1]
2) Remove PCB17 (WK-5699).
3) Cut off three snap bands and disconnect one connector. Remove one screw and remove the thermistor (TH2).

When replacing the thermistor with a new one, apply an oil compound (SHINETSU SILICONE G-747
or equivalent) evenly to the base.

2.4.19 Fan (FAN1)



1) Remove the side cover. [Reference page: 9-1]
2) Remove four screws and open the rear cabinet.

3) Cut off one snap band and disconnect one connector.

1

3

CN9

1

1

2

1

1

1

1

2

CN11

See also other documents in the category Tweco Equipment: