Replacing the Power Switch
NOTICE
To avoid damaging the circuit boards when servicing the control box, wear Part No. 112190 grounding strap on your wrist and ground appropriately.
To avoid electrical component damage, remove all system power before plugging any connectors.
1.Follow the steps in Before Servicing, page 34.
2.Loosen the screws (124) and remove the enclosure cover (117).
3.Note the position of the power switch input and output wires. See Electrical Schematics, page 27. Disconnect the wires from the power switch (112).
4.Remove the switch terminal blocks (T), unscrew the retaining nut (N), and remove the switch.
5.Install the new switch.
6.Reconnect the wires to the positions as noted above.
Repair
NOTICE
Failure to follow the electrical schematic could result in damage to the electrical components.
7.Reinstall the cover (117) and tighten the screws (124).
8.Turn on power at the main circuit breaker.
Figure 32 Replacing the Power Switch
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