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Perkins 1106 — Aftercooler Core - Clean/Test

Maintenance

For the Perkins 1106, from the Perkins owner's manual.

Applies to: Perkins 1106

Before you start

  • Personal injury can result from air pressure.

Procedure

  1. Remove the core.
  2. Turn the aftercooler core upside-down to remove debris.
  3. Use pressurized air opposite the fan air flow to remove loose debris.
  4. Pressurized water may be used to soften mud; clean the core from both sides.
  5. Back flush the core with a suitable cleaner.
  6. Steam clean the core and flush the fins; remove any other trapped debris.
  7. Wash the core with hot, soapy water and rinse thoroughly with clean water.
  8. Dry the core with compressed air in the reverse direction of normal flow.
  9. Inspect the core for cleanliness and pressure test it; repair if necessary.
  10. Install the core.
  11. Start the engine and accelerate to high idle to remove debris and dry the core, then stop the engine.

Specs & values

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

Full service-parts list: Perkins 1106 →

Source: Perkins 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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