Cummins/Onan — Exhaust Systems
Installation
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA, Cummins/Onan HDKAQ, Cummins/Onan HDKAR
Before you start
- Exhaust gas presents hazard of severe personal injury or death. Tailpipe must not be in angle of departure.
Procedure
- Connect exhaust pipe (installer-supplied) to genset.
- Do not terminate exhaust tail pipe under vehicle; terminate 1 inch (25.4 mm) beyond side or end of vehicle.
- Support tail pipe as close to outside of vehicle as possible.
- Protect termination of exhaust tail pipe below angle of departure with skid bar, trailer hitch, or frame member.
- Ensure no vent, window, or opening into living area is within shaded area.
Specs & values
- 1 inch (25.4 mm) beyond vehicle
Full service-parts list: Cummins/Onan HDKA →, Cummins/Onan HDKAQ →, Cummins/Onan HDKAR →
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.