C6.6 Industrial Engine Caterpillar

Diesel Particulate Filter - Remove

Usage:

C6.6 667

Removal Procedure

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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.

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The muffler, catalytic converter/muffler, and diesel particulate filter will become extremely hot during engine operation. A hot muffler, catalytic converter/muffler and diesel particulate filter can cause serious burns. Allow adequate cooling time before working on or near the muffler, catalytic converter/muffler and diesel particulate filter.

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NOTICE

Do not strike any part of the assembly of the Diesel Particulate Filter (DPF). Do not allow any object to contact the internal element of the DPF. If the internal element of the DPF becomes damaged, the assembly must be replaced.

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Illustration 1	g02520776

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Illustration 2	g02496917

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Illustration 3	g02496977

If necessary, remove the Original Equipment Manufacturer's (OEM) exhaust tube assembly from outlet (3).
Disconnect the flexible exhaust pipe assembly (9) from inlet (10). Refer to Disassembly and Assembly, "Flexible Exhaust Pipe - Remove and Install" for the correct procedure.
Make a temporary mark (5) in order to show the direction of the exhaust gases.
Make temporary alignment marks in Positions (A), Position (B), Positions (C) and Position (D) in order to identify the correct position of clamps (2) and DPF (6).
Using a fixed position that is easily accessible, measure Dimension (E) from the DPF mounting bracket to the end of the DPF. Record Dimension (E) for installation purposes.
Using a fixed position that is easily accessible on the application, measure to the center of the DPF outlet (3). Record Dimension (F) for installation purposes.
Remove the temperature sensor. Refer to Disassembly and Assembly, "Temperature Sensor (DPF) - Remove and Install" for the correct procedure.
Disconnect the wiring harness from soot antenna (4) and soot antenna (7).
Remove the soot antenna's. Refer to Disassembly and Assembly, "Soot Antenna - Remove and Install" for the correct procedure.
Remove the nuts from clamps (2). Position the clamps away from the DPF in order to allow removal of the DPF.
Attach a suitable lifting device to the DPF . The weight of the DPF is approximately 43 kg (95 lb).
Use the suitable lifting device in order to remove the DPF from the bracket for the clean emission module.