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C7 Industrial Engines Disassembly and Assembly – Inlet and Exhaust Valve Guides – Remove and Install

Start By:

  1. Remove the inlet and exhaust valves. Refer to Disassembly and Assembly, “Inlet and Exhaust Valves – Remove and Install”.

 

 
NOTICE
Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

 

  1. Use Tooling (A) to remove inlet valve guides (2) from the cylinder head assembly. Use Tooling (B) to remove exhaust valve guides (1) from the cylinder head assembly.

Installation Procedure

Table 2
Required Tools
Tool Part Number Part Description Qty
A 1U-7793 Valve Guide Driver 1
B 9U-6895 Valve Guide Driver 1
C 1U-7792 Guide Collar 1
D 149-4008 Guide Collar 1

 
NOTICE
Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

  1. Position inlet valve guide (2) and tap on the top of inlet valve guide (2) .

 

  1. Use Tooling (A) and Tooling (C) to install inlet valve guide (2). Install inlet valve guides (2) until the protrusion is 23.0 ± 0.5 mm (0.90 ± 0.02 inch) above the cylinder head assembly.

 

  1. Use Tooling (B) and Tooling (D) to install exhaust valve guide (1). Install exhaust valve guide (1) until the protrusion is 17.8 ± 0.5 mm (0.70 ± 0.02 inch) above the cylinder head assembly.

End By: Install the inlet and exhaust valves. Refer to Disassembly and Assembly, “Inlet and Exhaust Valves – Remove and Install”.

 

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