3508C, 3512C and 3516C Marine Engines Electronic Unit Injector - Remove Caterpillar


Electronic Unit Injector - Remove
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3508C, 3512C and 3516C Marine Engines [KENR6055]
FUEL SYSTEM
PUMP GP-FUEL INJECTION
3508C, 3512C and 3516C Marine Engines Electronic Unit Injector - Remove
3508C, 3512C and 3516C Marine Engines Electronic Unit Injector - Install

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
5F-4764  Pry Bar 

Start By:

  1. Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".


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.




    Illustration 1g01130566

  1. Disconnect harness assembly (2) from electronic unit injector (5).

  2. Remove bolt (1) and electronic unit injector clamp (3).

  3. Remove plug (4) from the cylinder head.

  4. Place an identification mark on the electronic unit injector for installation purposes. Each electronic unit injector must be reinstalled in the original location in the cylinder head.


    Illustration 2g01130569

  5. Use Tooling (A) to remove electronic unit injector (5) from the cylinder head.

  6. Remove O-ring seal (6) and O-ring seal (7) from the electronic unit injector.

  7. Remove all fuel / liquid from the cylinder. WARNING! Turning over (cranking) an engine with an injector removed could result in personal injury or death from fluids escaping through the injector bore at high velocity.

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