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Caterpillar 3126B / 3126B Industrial Engine — Radiator - Clean

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

  • Personal injury can result from air pressure.

Procedure

  1. Inspect the radiator for damaged fins, corrosion, dirt, grease, insects, leaves and other debris.
  2. Direct pressurized air in the opposite direction of the fan's air flow; hold the nozzle approximately 6 mm (0.25 inch) from the fins.
  3. Move the air nozzle parallel with the tubes to remove debris between the tubes.
  4. Use pressurized water to soften mud; clean the core from both sides.
  5. Use a degreaser and steam for removal of oil and grease. Wash with detergent and hot water; rinse thoroughly.
  6. Start the engine and accelerate to high idle rpm to help remove debris and dry the core. Stop the engine.
  7. Use a light bulb behind the core to inspect for cleanliness. Repeat the cleaning if necessary.

Tools required

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

Specs & values

  • Maximum air pressure at the nozzle must be less than 205 kPa (30 psi)
  • Maximum water pressure must be less than 275 kPa (40 psi)

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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