C15 and C18 On-Highway Engines Diesel Particulate Filter - Remove and Install - Clean Emissions Module Caterpillar


Diesel Particulate Filter - Remove and Install - Clean Emissions Module
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
352-5891  Strap 

Start By:

  1. Connect the engine to AVSpare Electronic Technician (Cat ET) before the DPF is removed from the engine. Once the engine is connected to Cat ET, then perform an ash service test. This test is a manual regeneration. Allow the DPF to cool before proceeding.

    ------ WARNING! ------

    Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.


    ------ WARNING! ------

    Wear goggles, gloves, protective clothing, and a National Institute for Occupational Safety and Health (NIOSH) approved P95 or N95 half-face respirator when handling a used Diesel Particulate Filter or Catalytic Converter Muffler. Failure to do so could result in personal injury.




    Illustration 1g02198514
    Overhead view of the Diesel Particulate Filter


    Illustration 2g02198556

  1. Put identification marks (B) on both sides of clamp assemblies (1) for installation purposes.

  2. Put identification mark (C) on the diesel particulate filter (3) for installation purposes. Identification mark (C) is showing the flow of exhaust gases through the diesel particulate filter.

  3. Loosen clamp assemblies (1) and reposition the clamp assemblies toward the center of diesel particulate filter (3). Tighten clamp assemblies (1).

    Note: Do not allow any objects to contact the internal element of the diesel particulate. Do not shake or bump the filter assembly.

  4. Install Tooling (A) onto diesel particulate filter (3). The weight of diesel particulate filter (3) is approximately 27 kg (60 lb).

  5. Loosen clamp assembly (2) and remove diesel particulate filter (3).

Installation Procedure

  1. Install the diesel particulate filter (3) in the reverse order of removal.

    1. Install new clamp assemblies (1). Use hand tools in order to tighten clamp assemblies (1) to a torque of 50 ± 2.5 N·m (37 ± 2 lb ft).


      Illustration 3g02206673

    2. Use hand tools in order to tighten clamp assembly (2) to a torque of 15 ± 3 N·m (133 ± 27 lb in).

    3. Reset the Engine Ash Model. Refer to Special Instruction, REHS5026.

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