Cummins/Onan C2750 D5 / QSK60 — Oil Sampling Valve
Maintenance
For the Cummins/Onan C2750 D5 / QSK60, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan C2750 D5, Cummins/Onan DQKAN, Cummins/Onan QSK60, Cummins/Onan QSK60 engine, Cummins/Onan QSK60-G19 engine, Cummins/Onan QSK60-G22 engine
Before you start
- Contact with hot oil can cause severe burns; allow engine to cool before maintenance.
Procedure
- Remove the cap from the sample bottle and attach the live sampling cap.
- Remove the oil sampling drain valve cap from the valve.
- With the engine running at normal operating temperature, screw the live sampling cap onto the drain valve.
- Fill the sample bottle as directed by the sampling kit/laboratory instructions.
- Remove the sample bottle and replace the valve cap.
- Remove the live sampling cap from the sample bottle and replace the bottle cap; send for analysis.
- Clean up any spillage per local regulations.
Tools required
- Oil sampling kit Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Cummins/Onan C2750 D5 →, Cummins/Onan DQKAN →, Cummins/Onan QSK60 →
Source: Cummins/Onan operator's 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.