GEAR (38 & 34 T.) 1M1692 - Caterpillar

Engine (Captive)G3516H (S/N: H6A1-UP; H6B1-UP)Gas EngineG3508B (S/N: RBK1-UP)G3512B (S/N: JHH1-UP)G3516B (S/N: N6E1-UP; JEF1-UP)Industrial EngineG3520B (S/N: GLF1100-UP)Petroleum EngineG3520B PETROLEUM (S/N: TPC1001-UP)Description Of Change: The new fuel valve has stud mounts and allows for improved sealing between the butterfly plate and the bore.Adaptable To: The new 472-8429 Fuel Valve Gp replaces the former 453-6077 Gas Control Valve for engines with ADEM 3 ECMs.The new 468-2639 Fuel Valve Gp replaces the former 453-6078 Gas Control Valve for engines with ADEM 4 ECMs.The new fuel valve is adaptable to the above engines back to first production.The required parts for installing the fuel valve are listed in Table 1.
Table 1
Part Number Description Qty
5S-0003 Nut 4
6V-3964 Hard Washer 4
452-2248 Gasket 2
Illustration 1 g06000383
472-8429 Fuel Valve Gp and 468-2639 Fuel Valve Gp
This change is effective for the serial numbers listed in Table 2.
Table 2
Effective Serial Numbers
S/N:RBK01623-UP
S/N:N8C00001-UP
S/N:JHH01044-UP
S/N:N2S00001-UP
S/N:JEF03428-UP
S/N:N6E00352-UP
S/N:H6A01016-UP
S/N:H6B01002-UP
S/N:TPC01189-UP
S/N:GLF01109-UP