Cummins/Onan 6CTA8.3 — Checking Electrolyte Level
Maintenance · Batteries
For the Cummins/Onan 6CTA8.3, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan 6CTA8.3, Cummins/Onan DGBB, Cummins/Onan DGBC, Cummins/Onan DGCA, Cummins/Onan DGCB, Cummins/Onan DGCG, Cummins/Onan DGFA, Cummins/Onan DGFB, Cummins/Onan DGFC, Cummins/Onan DGFS, Cummins/Onan 4B3.9 engine, Cummins/Onan 4BA3.9 engine
Before you start
- Do not add water in freezing weather unless engine will run long enough (two to three hours) to assure thorough mixing.
Procedure
- Check level of electrolyte in batteries at least every 200 hours of operation.
- Fill battery cells to bottom of filler neck.
- If cells are low on water, add distilled water and recharge.
- If one cell is low, check case for leaks.
- Keep battery case clean and dry.
Full service-parts list: Cummins/Onan DGBB →, Cummins/Onan DGBC →, Cummins/Onan DGCA →, Cummins/Onan DGCB →, Cummins/Onan DGFA →, Cummins/Onan DGFB →, Cummins/Onan DGFC →
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.