2014/10/16 New Ejector Cylinder Group is Now Used on Certain 631G and 637G Wheel Tractor-Scrapers {5305} Caterpillar


New Ejector Cylinder Group is Now Used on Certain 631G and 637G Wheel Tractor-Scrapers {5305}
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Wheel Tractor-Scraper:
631G (S/N: DFA1-UP; AWK1-UP; DEM1-UP; CLR1-UP; CMT1-UP; AXZ1-UP)
637G (S/N: AWE1-UP; CEH1-UP; CEJ1-UP; DFJ1-UP; CEM1-UP; AYN1-UP; AXT1-UP; DEX1-UP; DEY1-UP)

Description of Change: New ejector cylinder group is now used on the machines listed above. The new cylinder group with longer rod assembly will provide better clearance between the ejector and the fuel tank.

Adaptable To:




Illustration 1g03720376

New 454-7490 Ejector Cylinder Gp (1) replaces the former 6E-0897 Ejector Cylinder Gp in the scraper arrangement.

New 454-7490 Ejector Cylinder Gp is adaptable to machines and effective in production with machines that are listed in Table 1.

Table 1
Sales Model     Adaptable to Machines     Effective in Production with Machines    
631G     S/N:DFA1-523     S/N:DFA524-UP    
S/N:AWK1-UP -    
S/N:DEM1-493 S/N:DEM494-UP    
S/N:CMT1-UP -    
S/N:AXZ1-UP -    
S/N:CLR1-UP -    
637G     S/N:DFJ1-539     S/N:DFJ540-UP    
S/N:AWE1-UP -    
S/N:CEH1-UP -    
S/N:CEJ1-UP -    
S/N:CEM1-UP -    
S/N:AYN1-UP -    
S/N:AXT1-UP -    
S/N:DEX1-507 S/N:DEX508-UP    
S/N:DEY1-240 S/N:DEY241-UP    
Use the following rework procedure in order to convert the current 6E-0897 Ejector Cylinder Gp for the above listed adaptable machines:

Rework Procedure

Table 2
Required Parts List    
Item     Quantity     Part Number     Part Name    
1     1     454-7491     Rod As    

  1. Remove 6E-0897 Ejector Cylinder Gp from the machine. Refer to Disassembly and Assembly, RENR8607, "Ejector Cylinder - Remove and Install".

  1. Remove current 4J-7417 Rod As from the ejector cylinder group. Discard the part.



    Illustration 2g03720380

  1. Install new 454-7491 Rod As (1) in the 6E-0897 Ejector Cylinder Gp .

  1. Install 6E-0897 Ejector Cylinder Gp to the machine. Refer to Disassembly and Assembly, RENR8607, "Ejector Cylinder - Remove and Install".

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