Cummins/Onan RSS100 / RSS200 — Installation - Mounting
Installation · Transfer switch cabinet
For the Cummins/Onan RSS100 / RSS200, from the Cummins/Onan service manual.
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Before you start
- Improper lifting can cause severe personal injury. Have sufficient personnel for lifting and mounting the cabinet.
Procedure
- Make sure the wall is suitable to hold the weight and size of the transfer switch.
- Check the location to be sure no wires or plumbing, gas, or exhaust lines run behind the wall.
- Make sure all anchorage fasteners can withstand the switch weight and vibration.
- Use four 1/4 inch bolts for wall mounting; measure and mark wall for drilling.
- Install two mounting bolts in the wall for the top cabinet mounting keyholes.
- With the cabinet lying down, remove the top and foam from the shipping box.
- Remove the transfer switch from the box and remove the plastic covering.
- Raise the cabinet and mount it on the two mounting bolts; provide support.
- Install two bottom mounting bolts, but do not tighten them.
- Push the cabinet against the wall; shim the mounting bosses if required.
- Square up the cabinet before final fastener tightening.
- Tighten all mounting bolts.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.