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Home›Repair guides›Inlet and Exhaust Valves - Install

Caterpillar — Inlet and Exhaust Valves - Install

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

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Before you start

  • The valve spring keepers can be thrown from the valve when the valve spring compressor is released. Ensure that the valve spring keepers are properly installed on the valve stem. To help prevent personal injury, keep away from the front of the valve spring keepers and valve springs during the installation of the valves.
  • Keep all parts clean from contaminants.

Procedure

  1. Lubricate the inlet valves and the exhaust valves with clean engine oil. Install the inlet valves and the exhaust valves in the cylinder head.
  2. Ensure that washer (6) is installed on the valve guide.
  3. Install inner valve spring (4) and outer valve spring (5) on valve (1).
  4. Install valve rotator (3) on valve (1).
  5. Use Tooling (Valve Spring Compressor) to compress inner valve spring (4) and outer valve spring (5). Install valve spring retainers (2) on valve (1).
  6. Carefully remove Tooling (Valve Spring Compressor). Strike the top of the valve with a soft faced hammer in order to ensure that valve spring retainers (2) are properly installed.
  7. End By: Install the cylinder head.

Tools required

  • Valve Spring Compressor, Tool 58-1330

Source: manual:3456 Disassembly and Assembly.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.