Caterpillar — Note: If the engine is equipped with a compression brake, skip Step 2.
A Caterpillar service procedure — check it applies to your exact model before use.
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Before you start
- If the engine is equipped with a compression brake, skip Step 2.
- Install rocker shaft (3) with the flat side facing upward.
Procedure
- Install rocker shaft (3), valve rocker arms (1), and unit injector rocker arms (4) as a unit with Tooling (A). Note: Install rocker shaft (3) with the flat side facing upward. Note: If the engine is equipped with a compression brake, skip Step 2.
- Install bolts (2). Tighten bolts (2) to a torque of 109 ± 15 N·m (80 ± 11 lb ft).
- Repeat Steps 1 and 2 for the remainder of the rocker arm assemblies. End By: a. Install the compression brake, if equipped. Refer to Disassembly and Assembly, "Compression Brake - Install". b. Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install". Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sun Jul 28 11:08:52 EDT 2019 b375ji Page 3 of 3 3406E Marine Engine 9WR00001-UP(SEBP2555 - 66) - Systems & Components 7/28/2019 https://sisweb.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/si...
Source: manual:rocker install.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.