Cummins/Onan PCC 2100 — Cleaning Batteries
Maintenance
For the Cummins/Onan PCC 2100, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan GGHE, Cummins/Onan GGHF, Cummins/Onan WSG-1068 engine
Before you start
- Electrolyte is a dilute sulfuric acid that is harmful to the skin and eyes. Wear goggles and protective rubber gloves and apron.
- Ignition of explosive battery gases can cause severe personal injury or death.
Parts for this job
Part numbers from the service-parts lists for Cummins/Onan GGHE, Cummins/Onan GGHF. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Wipe batteries with a damp cloth whenever dirt appears excessive.
- If corrosion is present, remove battery cables and wash terminals with a solution of 1/4 pound baking soda to 1 quart of water.
- Be sure the vent plugs are tight to prevent cleaning solution from entering the cells.
- After cleaning, flush the outside of the battery and surrounding areas with clean water.
- Coat the terminals with a light application of petroleum jelly or non-conductive grease to retard corrosion.
Tools required
- Battery hydrometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Fully charged corrected specific gravity 1.260; charge battery if below 1.215.
- Correct reading by adding 0.004 for every 10 degrees above 80 deg F (27 deg C).
Full service-parts list: Cummins/Onan GGHE →, Cummins/Onan GGHF →
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.