CORE ASSEM. 4N7279 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     352-5891     Strap     2    
B         Loctite 771     -    Start By:
Connect the engine to Caterpillar 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.
Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.
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 1 g03061096
Overhead view of the Diesel Particulate Filter
Illustration 2 g02198556
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.
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.
Install Tooling (A) onto diesel particulate filter (3). The weight of diesel particulate filter (3) is approximately 27 kg (60 lb).
Loosen clamp assembly (2) and remove diesel particulate filter (3) .Installation Procedure
Install the diesel particulate filter (3) in the reverse order.
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 3 g02206673
Apply Tooling (B) to the threads of clamp assembly (2) for a Distance (X). Distance (X) is 25 mm (1 inch) above the trunnion. Use hand tools in order to tighten clamp assembly (2). Tighten clamp assembly (2) to a torque of 15 3 N m (133 27 lb in)., End By: Reset the Engine Ash Model. Refer to Special InstructionREHS5026.