Cummins/Onan OT UCD 280 — Wall Mount Installation
Installation · Transfer switch cabinet
For the Cummins/Onan OT UCD 280, from the Cummins/Onan service manual.
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Before you start
- Be sure to have sufficient manpower for lifting cabinet to prevent serious personal injury.
Procedure
- Install two top mounting bolts in the wall for the top cabinet mounting keyholes.
- With the shipping box standing so the cabinet is upright, carefully remove the top and sides of the box.
- Raise cabinet and mount on the two mounting bolts in the wall using cabinet keyholes.
- Open cabinet, remove twist-lock, disconnect plug and open control panel.
- Remove screws from meter-lamp panel flange and open panel.
- Tighten two top mounting bolts.
- Install two bottom mounting bolts and tighten.
Source: Cummins/Onan 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.