Replacement of the Clean Emissions Module on Certain 3516C and 3516C HD Generator Set Engines{1091} Caterpillar


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Replacement of the Clean Emissions Module on Certain 3516C and 3516C HD Generator Set Engines{1091} [REHS9206]
AIR INLET AND EXHAUST SYSTEM
MUFFLER GP
Replacement of the Clean Emissions Module on Certain 3516C and 3516C HD Generator Set Engines{1091}
1.1. Introduction
2.1. Installing the 445-6900 Catalytic Converter Gp
Engine:
3516C (S/N: SKC1-UP; SCJ1-UP; SCK1-UP; SFK1-UP)

Introduction

Do not perform any procedure that is outlined in this publication until you have read the information and you understand the information. Do not order any parts until you have read the information and understand the information.

ReferenceRefer to Special Instruction, REHS7129, "Assembling and Installing a Selective Catalytic Reduction (SCR) Module for Certain 3516C Generator Sets" for additional information regarding the assembly of the Clean Emissions Module (CEM).

The former 374-2501 Catalytic Converter Gp can be replaced with the new 445-6900 Catalytic Converter Gp .

Installing the 445-6900 Catalytic Converter Gp

Table 1
Parts Needed    
Quantity     New Part No.     Former Part No.    
1     445-6900
Catalytic Converter Gp    
374-2501
Catalytic Converter Gp    
2     380-4550 Plug        
4     2W-7873 Exhaust Gasket    
2     399-9876 Flange    



Illustration 1g03550057

445-6900 Catalytic Converter Gp

The new 445-6900 Catalytic Converter Gp is designed with a 267 mm (10.5 inch) longer fluted exhaust extension.




Illustration 2g03549742

Typical left-hand side view

(A) 267 mm (10.5 inch)

(B) NOX sensor location




Illustration 3g03578778

Typical right-hand side view

(A) 267 mm (10.5 inch)

(B) NOX sensor location

267 mm (10.5 inch) of the customer exhaust piping will have to be removed in order to accommodate the additional length of the CEM.

  1. Remove the NOX sensor.

  1. Install one 380-4550 Plug in the original NOX sensor location.

  1. Remove 267 mm (10.5 inch) from the inlet of the CEM.



    Illustration 4g03578717

    Typical left-hand side view

    (1) 399-9876 Flange

  1. Install one flange (1) and one new 2W-7873 Exhaust Gasket on each inlet pipe of the CEM.