3126B and 3126E On-highway Engines Caterpillar


Unit Injector Hydraulic Pump - Remove

Usage:

3126B 1AJ

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
5P-0327  Crowfoot Wrench 
180-0186  Removal Tool 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



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, PERJ1017, "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.


Note: If the engine is equipped with a tube assembly then proceed to Step 1. If the engine is equipped with a hose assembly then go to Step 3.



    Illustration 1g01025536

  1. Use Tooling (A) in order to remove tube assembly (1) and tube assembly (2).

    Note: If the engine is equipped with a hose assembly, use Tooling (B). Disconnect fitting (4).

  2. Disconnect harness assembly (3).

  3. Use Tooling (A) to remove tube assembly (2).

  4. Remove bolts (6) and remove unit injector hydraulic pump (5).


    Illustration 2g01025556

  5. Remove O-ring seal (7).

  6. Remove drive gear (8).

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