SLEEVE-INJECTOR 2272911 - Caterpillar

Engine:
3412E (S/N: 4CR1-UP)
3508 (S/N: 96Y1-UP; 23Z1-UP)
3512 (S/N: 49Y1-UP; 50Y1-UP; 24Z1-UP; 65Z1-UP; 67Z1-UP)
3512B (S/N: S2J1-UP; 7HM1-UP; 8EM1-UP; 8RM1-UP; S2N1-UP; 4TN1-UP; 1PW1-UP; 2EZ1-UP)
3516 (S/N: 5SJ1-UP; 7KM1-UP; 29Z1-UP; 73Z1-UP; 25Z1-UP)
3516B (S/N: 7RN1-UP; 8KN1-UP; 9AN1-UP; 2JW1-UP; 4BW1-UP; S2X1-UP; S2Y1-UP)
G3512 (S/N: 7NJ1-UP)
G3516 (S/N: 3RC1-UP; 4EK1-UP)
G3516B (S/N: CEY1-UP)
Generator Set:
3512 (S/N: CMJ1-UP)
3512B (S/N: 6GW1-UP; CMC1-UP; BRK1-UP)
3516B (S/N: 8NW1-UP; BPJ1-UP; FDN1-UP; FDX1-UP)
G3512 (S/N: CRN1-UP)
G3516 (S/N: CSZ1-UP)
Description of Change: An improved prelube pump motor is used in order to increase the service life of the motor. The new prelube pump motor is more resistant to vibration and to moisture.Adaptable To: The 302-8729 Prelubrication Oil Pump Gp has been released. This new prelube pump group contains the 302-8728 Prelubrication Motor. The new prelube pump group and the prelube pump motor are adaptable to the Engines and Generator Sets that are listed above. Table 1 lists the former parts and the new parts.
Table 1
Former Parts and New Parts    
Former Part     New Part     Description    
3T-3735     302-8729     Prelubrication Oil Pump Gp    
3T-7583     302-8728     Prelubrication Motor