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Caterpillar C15 Industrial Engine — Radiator - Clean

Maintenance

For the Caterpillar C15 Industrial Engine, from the Caterpillar owner's manual.

Applies to: Caterpillar C1.5 engine

Before you start

  • Personal injury can result from air pressure. Wear a face shield and protective clothing.

Procedure

  1. Inspect radiator for damaged fins, corrosion, dirt, grease, insects, leaves, oil, and debris. Clean if necessary.
  2. Use pressurized air less than 205 kPa (30 psi), directing air opposite the fan's airflow.
  3. Use pressurized water less than 275 kPa (40 psi) to soften mud. Clean the core from both sides.
  4. Use a degreaser and steam for removal of oil and grease. Wash with detergent and hot water. Rinse thoroughly.
  5. Start engine and accelerate to high idle rpm to remove debris and dry the core. Stop engine.
  6. Inspect core cleanliness with a light bulb behind the core. Repeat cleaning if necessary.
  7. Inspect fins for damage. Bent fins may be opened with a comb.
  8. Inspect welds, mounting brackets, air lines, connections, clamps, and seals. Make repairs if necessary.

Tools required

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

Specs & values

  • Air pressure less than 205 kPa (30 psi)
  • Water pressure less than 275 kPa (40 psi)
  • Hold nozzle approximately 6 mm (0.25 inch) from fins

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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