SEAL-O-RING 1S8947 - Caterpillar

Marine Engine:
C32 MARINE (S/N: RXB1-UP; RNC1-UP; RND1-UP; SLT1-UP; T3T1-UP; RNY1-UP; RNZ1-UP)
Description of Change: A new torque is now used for the alternator mounting groups of the engines that are listed above. The new torque is needed to reduce stress on the mounting ear of the alternator.Adaptable To: The new torque is applicable back to the first production of the above listed engines.
Table 1
Alternator Groups Requiring the New Torque    
323-8992     Alternator Mounting Gp    
309-0037     Alternator Mounting Gp    
249-6521     Alternator Mounting Gp    
156-6925     Alternator Mounting Gp    
295-4111     Alternator Mounting Gp    
Illustration 1 g02913396
Typical exampleA new torque is used when installing the alternator groups listed in Table 1. Torque for the alternator tie rod nuts (1) has changed from 320 N m (236 lb ft) to 200 N m (148 lb ft). Refer to Illustration 1
Table 2
Effective Serial Numbers    
S/N:RNC03199-UP    
S/N:RND00340-UP    
S/N:RNY01446-UP    
S/N:RNZ00851-UP    
S/N:RXB03864-UP    
S/N:SLT00498-UP    
S/N:T3T00384-UP    The change is effective at the factory with the engine serial numbers that are listed in Table.2