C9 Petroleum Engines Caterpillar


Electronic Unit Injector - Remove

Usage:

C9 KLW

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     367-3070     Fuel Injector Installer and Removal Tooling     2    

Start By:

  1. Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".


NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Remove the plug at the rear of the cylinder head. Allow the engine oil to drain from the hole in the cylinder head before the electronic unit injector is removed.



    Illustration 1g01148880

  1. Use a small flat head screwdriver to disconnect harness assembly (2) from electronic unit injector (1) .

  1. Remove socket head bolts (3) .



    Illustration 2g03031916

  1. Use Tooling (A) to remove electronic unit injector (1) from the cylinder head.

    Note: Do not use a wire brush on the tip of the electronic unit injector. Damage to the electronic unit injector will occur.




    Illustration 3g01137291

  1. Remove O-ring seals (6), (7), and (8) from electronic unit injector (1). Remove backup rings (4), (5), and (9) from electronic unit injector (1) .

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