2014/11/14 Caterpillar


Improved Transmission Input Bearings Now Used on AD55B and AD60 Underground Articulated Trucks {3063}

Usage:

AD55B JNW
Underground Articulated Truck:
AD55B (S/N: JNW1-UP)
AD60 (S/N: KNW1-UP)

Description of Change: Improved transmission input bearings are now used. The improved transmission input ball type bearing replace the former tapered bearing in order to eliminate bearing adjustment.

Adaptable To: The improved transmission input bearings are effective in production with, and adaptable to the following machines.

Table 1
Machine     Effective With     Adaptable To    
AD55B     -     S/N:JNW1-UP    
AD60     S/N:KNW126-UP     S/N:KNW1-125    
Refer to Special Instruction, REHS9517, "Procedure to Rework the Transmission Input Drive on Certain AD55B and AD60 Underground Articulated Trucks" in order to install the improved bearings.

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