SCREW 7S8387 - Caterpillar

Engine:
3512 (S/N: 50Y1-UP)
3512B (S/N: 7HM1-UP; 8EM1-UP; 4TN1-UP)
3516 (S/N: 29Z1-UP)
3516B (S/N: 8KN1-UP; 9AN1-UP; S2R1-UP; S2S1-UP; S2X2-UP; S2Y1-UP; 6HZ1-UP)
3516C (S/N: PAG1-UP; TTJ1-UP)
G3516 (S/N: L6E1-UP; 4EK1-UP; CSZ1-UP)
G3516B (S/N: CSC1-UP; L6H1-UP; 7EZ1-UP)
Power Module:
XQC1600 (S/N: N1M1-UP)
Description of Change: The existing pipe thread flange and pipe thread adapter are replaced with a new STOR flange and STOR connector assembly.Adaptable To: The new 457-0780 Flange and 365-0578 Connector As replace the former 9Y-1049 Supply Flange and 9M-6522 Connector .The new STOR flange and STOR connector assembly are adaptable back to first production on the serial numbers listed above.
Illustration 1 g03678081
Existing design (1) 9M-6522 Connector (2) 9Y-1049 Supply Flange
Illustration 2 g03678082
New design (3) 2P-7636 Connector (4) 238-5080 O-Ring Seal (5) 457-0780 Flange Connector (3) and O-ring (4) are packaged together as a 365-0578 Connector As .This change is effective on the serial numbers listed in Table 1.
Table 1
Effective Serial Numbers    
S/N:50Y76018-UP    
S/N:4TN00868-UP    
S/N:7HM00271-UP    
S/N:8EM00562-UP    
S/N:29Z01699-UP    
S/N:6HZ00285-UP    
S/N:8KN00588-UP    
S/N:9AN00412-UP    
S/N:PAG00483-UP    
S/N:S2R00811-UP    
S/N:S2S00495-UP    
S/N:S2X01699-UP    
S/N:S2Y00119-UP    
S/N:TTJ00588-UP    
S/N:4EK42526-UP    
S/N:CSZ00903-UP    
S/N:L6E00122-UP    
S/N:7EZ00320-UP    
S/N:CSC00683-UP    
S/N:L6H00107-UP    
S/N:N1M00105-UP