HEAT INDICATOR (Water) 4S8409 - Caterpillar

Generator Set:
C175-16 (S/N: WYB1-UP)
Engine:
C175-16 (S/N: M6A1-UP; M6B1-UP; WYC1-UP; P6L1-UP; R1X1-UP)
C175-20 (S/N: BXR1-UP)
Engine News SEBD9913, 25 November 2013, "New Breather Assemblies Are Now Used on Certain C175 Engines". The original article has been revised to update the effective serial numbers.Description of Change: The new breather assemblies and gaskets provide a better seal.Adaptable To: The new 388-3276 Breather As and 439-5502 Gasket replace the 276-2724 Breather As .The new 388-3276 Breather As and 439-5502 Gasket replace the 276-2724 Breather As are adaptable to the above engines back to first production.The new parts required are listed in Table 2.
Table 1
Qty    Part    
8     9X-8268 Washer    
4     383-6310 Clamp (1)    
2     388-3276 Breather As    
2     439-5502 Gasket    
( 1 ) Tighten the clamp bolts to 124 N m (91 lb ft).The effective serial numbers are listed in Table 2.
Table 2
Effective Serial Numbers    
S/N:M6A01008-UP    
S/N:M6B01005-UP    
S/N:P6L01041-UP    
S/N:R1X00114-UP    
S/N:WYB01470-UP    
S/N:WYC01002-UP    
S/N:BXR01034-UP