COVER 2350399 - Caterpillar

Engine:
3606 (S/N: 8RB1-UP)
3608 (S/N: 6MC1-UP; 1ZD1-UP; 8LL1-UP)
3612 (S/N: NZA1-UP; 9RC1-UP)
3616 (S/N: 1PD1-UP; 1FN1-UP)
C280-16 (S/N: NKB1-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)
Engine News SEBD9855, 15 March 2013, "A New Auxiliary Water Pump Is Used on Certain 3600 and C280 Engines". The original article has been revised to add engine serial number 8LL.Description of Change: The new auxiliary water pump is for use in applications with high levels of vibration.The new auxiliary water pump has a bolt and washer that improves the retention of the impeller.Adaptable To: The new 381-8794 Auxiliary Sea Water Pump Gp replaces the former 304-4957 Auxiliary Sea Water Pump Gp, which is canceled.The new auxiliary pump is adaptable to the above engines back to first production. The effective serial numbers are listed in Table 1.
Table 1
Effective Serial Numbers    
S/N:8RB01013    
S/N:1ZD00051    
S/N:6MC00800    
S/N:9RC00532    
S/N:NZA00113    
S/N:1FN00158    
S/N:1PD00686    
S/N:RDW00156    
S/N:TSJ00152    
S/N:NKB00199    
S/N:TDX00160    
S/N:LDL00117    
S/N:SCB00120    
S/N:NDT00145    
S/N:PKA00149