Catalyst (SCR) - Remove and Install
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Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool. |
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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. |
- Attach a suitable lifting device to outlet assembly (1). The weight of the cover assembly is approximately
127 kg (280 lb) . - Remove bolts (2) and plates (3).
- Remove outlet assembly (1) and the outlet gasket.
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Illustration 2 g06302500 - Remove bolts (5) and bolts (6). Remove insulation (4).
- Remove the remaining insulation.
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Illustration 3 g06302512 - Remove bolts (8) and plates (9). Attach a suitable lifting device to catalyst (SCR) (7). The weight of catalyst (SCR) (7) is approximately
359 kg (795 lb) . Remove catalyst (7).Note: Remove and discard all gaskets and retaining hardware. These parts are one time use only.
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| Illustration 1 | g06302485 |
- Install catalyst (SCR) (7) in the reverse order of removal.
Caterpillar Information System:
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