Centinel System – Repair Manual – 020-017   Engine Brake Control Valve

Table of Contents

Remove
Inspect for Reuse
Install

Remove

TOC

Remove the rocker lever cover. Refer to Procedure 003-011.

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 WARNING 

The control valve is spring-loaded. To avoid personal injury, apply thumb pressure to the control valve cover, slowly remove cover until spring pressure ceases, and then remove the valve.

Use snap ring pliers to remove the snap ring and control valve from rocker lever assembly.

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Inspect for Reuse

TOC

Inspect the brake lever for wear in the control valve counterbore area.

Replace the brake lever if the counterbore wear extends beyond the snap ring groove diameter.

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Inspect the control valve spring for breakage and free length.

Spring Free Length
mm in
44.45 NOM 1.75

Replace the control valve spring if the free length is less than the specification.

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Install

TOC

Move the control valve in the bore to insure free movement.

Lubricate the control valve assembly.

Install the control valve into rocker lever assembly and snap ring.

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Install the rocker lever cover. Refer to Procedure 003-011.

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Last Modified:  26-Jun-2002