Generac — ATS1 & 2 and BTS1 & 2 Limit Switch Removal (CTTS 600-2600 Amp)

Repair & overhaul · ATS1/ATS2/BTS1/BTS2 Limit Switches

From a Generac service manual — check it applies to your exact model before use.

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Procedure

1. Remove main contactor assembly cover plate.
2. ATS1 & 2 limit switches are on upper half (Utility side). BTS1 & 2 limit switches are on bottom half (Emergency side).
3. To remove, remove corresponding arc shoot assembly: first remove Phillips head screws attaching arc shoot to backing plate.
4. Remove arc shoot from contactor assembly.
5. Limit switches are now accessible. To access lower screw holding ATS2 or BTS2, it may be necessary to manually put transfer switch in neutral position.
6. Remove and reinstall the BTS1 & 2 or ATS1 & 2 limit switches.

Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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