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Home›Repair guides›Turbocharger - Assemble

Caterpillar — Turbocharger - Assemble

A Caterpillar service procedure — check it applies to your exact model before use.

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Before you start

  • Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
  • Compressor housing must go straight on the turbocharger assembly without tilting. Tilting may cause compressor blade to tip, or the compressor shaft can be damaged.

Procedure

  1. Check condition of all components. Use new parts to replace worn or damaged parts.
  2. Connect compressor housing (2) and turbine housing (5) to turbocharger cartridge (4).
  3. Tighten the nuts on V-band clamps (3) to a torque of 14 ± 3 N·m (10 ± 2 lb ft). Use a soft hammer to lightly hit around the diameter of band clamps (3).
  4. Tighten the nuts on V-band clamps (3) again. Tighten to a torque of 14 ± 3 N·m (10 ± 2 lb ft).
  5. Install clamp (1) on waste gate.

Tools required

  • Soft hammer

Specs & torque values

  • V-band clamp torque: 14 ± 3 N·m (10 ± 2 lb ft)

Source: manual:Caterpillar 3406, 3406B, 3406C, 3406E.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.