Cummins/Onan — Install Vent Lines & Low Coolant Level Sensor/Cable (Spec. B)
Installation · Vent lines and low coolant level sensor
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan DQKB, Cummins/Onan DQKC, Cummins/Onan QSK60 engine
Procedure
- Connect the vent line hoses; install the check valve as shown.
- Thread the low coolant level sensor into the radiator using pipe thread sealant (do not use Teflon tape).
- Connect the LCL sensor harness lead to the connector located by the engine coolant filters.
- Secure the vent pipes and harness to the radiator tubes with cable ties.
Full service-parts list: Cummins/Onan DQKB →, Cummins/Onan DQKC →
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.