BEARING 8H3938 - Caterpillar

Electric Power Generation:
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)
Description of Change: The two new oil pressure control valve gps eliminate an external hose by incorporating an internal passage within the body of the regulator.The two new oil pressure control valve gps are shimmed differently to regulate the oil pressure to the same value for type 1 and type 2 engines.Adaptable To: The 380-4432 Pressure Control Valve Gp and the 424-9011 Pressure Control Valve Gp replace the 354-4924 Pressure Control Valve Gp .The 380-4432 Pressure Control Valve Gp and the 424-9011 Pressure Control Valve Gp are adaptable to the above engines back to first production.Refer to Table 1 to cross reference the engine type with the correct part number.
Table 1
Type 1 engine     424-9011 Pressure Control Valve Gp     Engine serial numbers 1 - 999    
Type 2 engine     380-4432 Pressure Control Valve Gp     Engine serial numbers 1000 - Up    Additional parts are required when any of the 354-4924 Pressure Control Valve Gps prior to this change are replaced with the new the 380-4432 Pressure Control Valve Gp or the 424-9011 Pressure Control Valve Gp .The additional parts are listed in Table 2.
Table 2
Qty    Parts    
1     228-7102 O-Ring Seal    
1     241-6158 Plug    
1     418-1262 Hose As    
Illustration 1 g03411119
The old oil 354-4924 Pressure Control Valve Gp design (1) 354-4924 Pressure Control Valve Gp
Illustration 2 g03411120
The new oil 380-4432 Pressure Control Valve Gp design (2) 380-4432 Pressure Control Valve Gp (3) 418-1262 Hose As (4) 241-6158 Plug (5) 228-7102 O-Ring Seal
Illustration 3 g03411148
The new oil 424-9011 Pressure Control Valve Gp design (3) 418-1262 Hose As (4) 241-6158 Plug (5) 228-7102 O-Ring Seal (6) 424-9011 Pressure Control Valve Gp The effective serial numbers are listed in Table 3.
Table 3
Effective Serial Numbers    
S/N:M6A01008-UP    
S/N:M6B01005-UP    
S/N:P6L01031-UP    
S/N:R1X01000-UP    
S/N:WYB01406-UP    
S/N:WYC01002-UP    
S/N:BXR01022-UP