Caterpillar C27 / C32 — Battery Electrolyte Level - Check
Maintenance
For the Caterpillar C27 / C32, from the Caterpillar owner's manual.
Applies to: Caterpillar C32
Before you start
- All lead-acid batteries contain sulfuric acid which can burn the skin and clothing. Always wear a face shield and protective clothing when working on or near batteries.
Parts for this job
- 7L7871 Battery eBay
Part numbers from the service-parts list for Caterpillar C32. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove the filler caps; maintain the electrolyte level to the FULL mark on the battery.
- Use distilled water, or clean water low in minerals if distilled water is not available. Do not use artificially softened water.
- Check the condition of the electrolyte with the 245-5829 Coolant Battery Tester Refractometer.
- Keep the batteries clean; clean the battery case with a baking soda/water or ammonia/water solution and rinse with clean water.
- Use fine grade sandpaper to clean terminals and cable clamps until surfaces are bright.
- Coat the clamps and terminals with 5N-5561 Silicone Lubricant, petroleum jelly or MPGM.
Tools required
- 245-5829 Coolant Battery Tester Refractometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Caterpillar C32 →
Source: Caterpillar owner'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.