2013/02/22 Caterpillar


Bearing Upgrade from Pre 2.4 or 2.4 Bearings to 3.5 Bearing on Certain Uninterruptible Power Supply {4480, 7551}

Usage:

UPS 250 APZ
Uninterruptible Power Supply:
UPS 250 (S/N: CNM1-UP; APZ1-UP)
UPS 300 (S/N: CNJ1-UP; CPZ1-UP)
UPS 301 (S/N: CSY1-UP)
UPS 500 (S/N: CSE1-UP)
UPS 600 (S/N: CTX1-UP)
UPS 750 (S/N: CPM1-UP)
UPS 900 (S/N: CRY1-UP)

Description of Change: Uninterruptible Power Supply (UPS) bearing kit to upgrade from Pre 2.4 or 2.4 bearings to 3.5 bearings does not include the optical sensor rotor or mounting screw.

Adaptable To: If dealer has not previously performed the Rotor Position Sensor (RPS) upgrade to the optical RPS assembly on a UPS with Pre 2.4 or 2.4 bearings, and the dealer wishes to upgrade to the 3.5 bearing, the dealer will have to order a 240-2654 Sensor Rotor, and a 9X-6258 Screw in addition to the 10R-9600 Bearing Kit. Refer to the assembly instructions included with the 10R-9600 Bearing Kit .

ReferenceRefer to System Operation, Testing and Adjusting, RENR9988, "UPS 1000Z, UPS 120, UPS 1200Z, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750, UPS 900, UPS500G and UPS600G Uninterruptible Power Supply".

Table 1
Sales Model     Adaptable Serial Numbers     Effective Serial Numbers    
UPS 250     S/N:CNM1-237     S/N:CNM238-UP    
S/N:APZ1-293 S/N:APZ294-UP    
UPS 300     S/N:CNJ1-311     S/N:CNJ312-UP    
S/N:CPZ1-350 S/N:CPZ351-UP    
UPS 301     S/N:CSY1-201     S/N:CSY202-UP    
UPS 500     S/N:CSE1-130     S/N:CSE131-UP    
UPS 600     S/N:CTX1-261     S/N:CTX262-UP    
UPS 750     S/N:CPM1-160     S/N:CPM161-UP    
UPS 900     S/N:CRY1-332     S/N:CRY333-UP    

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