Cummins/Onan — Cleaning the Compressor Wheel and Housing
Maintenance · Compressor wheel and compressor housing
From a Cummins/Onan service manual covering: ST-50, T-18A, VT-50. Check it applies to your exact model before use.
Browse Cummins/Onan generators & specs →
Before you start
- Never use a cleaner or solution that will damage the aluminum
- Never use a wire brush, scraper or abrasives on the compressor wheel
Procedure
- Remove air intake piping and compressor housing to expose compressor wheel.
- Use cleaner or solvent and a bristle brush to clean deposits from wheel and housing.
- Dry the unit and assemble compressor housing to bearing housing.
- Torque the V-band clamp nuts to specifications.
- Connect air piping and fasten with clamps.
- Check compressor wheel for oil sediment build-up and correct cause.
Tools required
- bristle brush Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Torque V-band clamp nuts to Specifications
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.