2003/10/27 Caterpillar


The Function of Lip Seal in Output Transfer Gear Group Is Explained {3159}

Usage:

735 AWR
Articulated Truck:
735 (S/N: AWR1-UP)
740 (S/N: AXM1-UP)
740 EJECTOR (S/N: AZZ1-UP)



Illustration 1g01030460

Typical example of an output transfer gear on a 735 Articulated Truck




Illustration 2g01030028

Lip seal (2) that is installed in the end of shaft (1) provides an obstruction to oil flow from tube (3). The lip seal acts as a oil dam in order to retain lubrication oil in the bore of the shaft. The lip seal is not intended to make a seal around the tube. The part numbers of the lip seals, shafts and the tubes for the 735, 740 and 740 EJECTOR Articulated Trucks are given in Table 1.

Table 1
    735     740 and 740 EJECTOR
   
Item     Description     Part Number     Part Number    
1     Shaft     161-4252     148-9428    
2     Lip Seal     6V-5029     4B-5432    
3     Tube     148-9313     148-9313    

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