BRACKET 2W4474 - Caterpillar

Electric Power Generation:
SR4B HV (S/N: AEY1-UP)
Wheel Loader:
950GSeries II (S/N: BAA1-UP; AYB1-UP; AYL1-UP; AXR1-UP; AXX1-UP)
950H (S/N: N1A1-UP; M1G1-UP; K5K1-UP)
962GSeries II (S/N: BAB1-UP; BAD1-UP; AXS1-UP; AXY1-UP)
962H (S/N: N4A1-UP; M3G1-UP; K6K1-UP)
966GSeries II (S/N: AXJ1-UP; ANT1-UP; AWY1-UP; ANZ1-UP)
966H (S/N: A6D1-UP; A6G1-UP)
972GSeries II (S/N: AXC1-UP; AXN1-UP; AWP1-UP; ANY1-UP)
972H (S/N: A7D1-UP; A7G1-UP)
980GSeries II (S/N: AXG1-UP; AWH1-UP)
980H (S/N: MHG1-UP; JMS1-UP)
Description of Change: The Heater and AC Fan 268-8792 Blower Motor As has been enhanced to improve motor life and motor retention. The improved enhancements include:
A brush material enhancement (from copper graphite to carbon)
A mounting tab on the 268-8792 Blower Motor As end has been added to hold alignment of the fan wheel with the inlet ring.Adaptable To: The Heater and AC Fan 268-8792 Blower Motor As directly replaces the old 174-1497 Blower Motor As and the enhancements are adaptable to and effective with the serial numbers listed in Table 1 and Table 2.
Table 1
The Blower Motor enhancements are adaptable to and effective with the following serial numbers for Electric Power Generation    
Sales Model     Adaptable To     Effective With    
SR4B HV     S/N:AEY1-UP     S/N:AEY716    
Table 2
The Blower Motor enhancements are adaptable to and effective with the following serial numbers for Wheel Loaders    
Sales Model     Adaptable To     Effective With    
950G     S/N:BAA1-UP
S/N:AYB1-UP
S/N:AYL1-UP
S/N:AXR1-UP
S/N:AXX1-UP     S/N:BAA1100-1197
S/N:AYB1121
S/N:AYL2538
S/N:AXRNA
S/N:AXX1958    
950H     S/N:N1A1-UP
S/N:M1G1-UP
S/N:K5K1-UP     S/N:N1ANA
S/N:M1G152
S/N:K5K131    
962G     S/N:BAB1-UP
S/N:BAD1-UP
S/N:AXS1-UP
S/N:AXY1-UP     S/N:BAB805
S/N:BAD482
S/N:AXSNA
S/N:AXY484-494    
966G     S/N:AXJ1-UP
S/N:ANT1-UP
S/N:AWY1-UP
S/N:ANZ1-UP     S/N:AXJ3064
S/N:ANT360
S/N:AWY1498
S/N:ANZ1458    
966H     S/N:A6D1-UP
S/N:A6G1-UP     S/N:A6D137
S/N:A6G122    
972G     S/N:AXC1-UP
S/N:AXN1-UP
S/N:AWP1-UP
S/N:ANY1-UP     S/N:AXC1080
S/N:AXN619
S/N:AWP609
S/N:ANY462    
972H     S/N:A7D1-UP
S/N:A7G1-UP     S/N:A7D131
S/N:A7G121    
980G     S/N:AXG1-UP
S/N:AWH1-UP     S/N:AXG1656
S/N:AWHNA    
980H     S/N:MHG1-UP
S/N:JMS1-UP     S/N:MHGNA
S/N:JMS711