LOCKNUT 2J0564 - Caterpillar

Engine:
3512C (S/N: T3P1-UP; T3R1-UP; T3W1-UP)
3516C (S/N: TTJ1-UP; TKS1-UP; TKT1-UP; TKY1-UP)
3606 (S/N: 8RB1-UP)
3608 (S/N: 6MC1-UP)
3612 (S/N: 9RC1-UP)
3616 (S/N: 1PD1-UP)
C175-16 (S/N: M6A1-UP; M6B1-UP; P6L1-UP; P5P1-UP)
C280-16 (S/N: NKB1-UP; A4F1-UP; TDX1-UP)
Marine Engine:
C280-12 (S/N: TSJ1-UP; RDW1-UP)
C280-6 (S/N: SCB1-UP; LDL1-UP)
C280-8 (S/N: PKA1-UP; NDT1-UP)
Petroleum Engine:
3516C (S/N: PES1-UP)
Description of Change: The new thermal couples have a higher shell to thermocouple wire resistance which eliminates inaccuracies in the pyrometer read out.Adaptable To: The new temperature sensor groups replace the existing temperature sensor groups. Refer to Table 2 for the new and former part numbers. The new temperature sensor groups are adaptable back to first production on the serial numbers listed above.
Table 1
New Part Number     Former Part Number    
383-2982     262-1957    
383-2985     114-1653    This change is effective for the serial numbers listed in Table 2.
Table 2
Effective Serial Numbers    
S/N:T3P00204-UP    
S/N:T3R00209-UP    
S/N:T3W00202-UP    
S/N:PES00687-UP    
S/N:TTJ00365-UP    
S/N:TKS00206-UP    
S/N:TKT00202-UP    
S/N:TKY00208-UP    
S/N:8RB10286-UP    
S/N:6MC00822-UP    
S/N:9RC00542-UP    
S/N:1PD00718-UP    
S/N:M6A00109-UP    
S/N:M6B01002-UP    
S/N:P5P00002-UP    
S/N:P6L01010-UP    
S/N:RDW00156-UP    
S/N:TSJ00166-UP    
S/N:A4F00002-UP    
S/N:NKB00199-UP    
S/N:TDX00165-UP    
S/N:LDL00117-UP    
S/N:SCB00128-UP    
S/N:NDT00149-UP    
S/N:PKA00171-UP