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21 switch (s2 and s3) – Tweco 400 MST Arc Master User Manual

Page 75

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400MST

9

ADVANCED TROUBLESHOOTING

9 – 38

2.4.21 Switch (S2 and S3)



1) Remove the side cover. [Reference page: 9-1]
2) Remove six screws and six terminals.

3) Remove four screws and open the rear panel.

4) Cut off one snap band and disconnect one connector from PCB4 (WK-4819). Remove two screws and

two nuts and remove the switch (S2). Disconnect one connector from the switch (S3). Remove two nuts
and remove the switch (S3).

1

1

2

2

1

1

1

1

2

CN4

4

2

3

1

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