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Cummins/Onan M-1902s — Compartment Construction

Installation · genset compartment

For the Cummins/Onan M-1902s, from the Cummins/Onan service manual.

Applies to: Cummins/Onan HDKA, Kubota V1505-E3BG engine

Before you start

  • Make compartment walls vapor-tight to prevent exhaust fumes entering living quarters.
  • Do not position muffler directly below drain hole. Do NOT use absorbent soundproofing on compartment floor.

Procedure

  1. Construct a vapor-tight wall to separate compartment area from living quarters and fuel supply.
  2. Line compartment walls with 26-gauge galvanized steel or comparable material.
  3. Construct compartment floor to prevent oil, fuel, or water accumulation.
  4. Provide holes for diesel fuel supply and return lines, breather hose exit, and exhaust plumbing.
  5. Install an approved junction box for connecting generator and load leads.

Specs & values

  • Line compartment with self-extinguishing acoustical material 1/2 to 1 inch (12.7 to 25.4 mm) thick rated 250°F (121°C) minimum

Full service-parts list: Cummins/Onan HDKA →, Kubota V1505-E3BG engine →

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.

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