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Caterpillar 3126B / 3126B Industrial Engine — Battery Electrolyte Level - Check

Maintenance

For the Caterpillar 3126B / 3126B Industrial Engine, from the Caterpillar owner's manual.

Applies to: Caterpillar 3126B, Caterpillar 3126B Industrial Engine engine

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.

Procedure

  1. Remove the filler caps. Maintain the electrolyte level to the "FULL" mark on the battery.
  2. Add distilled water if necessary; do not use artificially softened water.
  3. Check the condition of the electrolyte with the 1U-7298 or 1U-7297 Coolant/Battery Tester.
  4. Keep the batteries clean.
  5. Clean the battery case with a baking soda/water or ammonia/water solution and rinse.
  6. Clean the terminals and cable clamps; coat with 5N-5561 Silicone Lubricant, petroleum jelly or MPGM grease.

Tools required

  • 1U-7298 Coolant/Battery Tester (°C) Amazon
  • 1U-7297 Coolant/Battery Tester (°F) Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Caterpillar 3126B →, Caterpillar 3126B Industrial Engine engine →

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.

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