A New Air Inlet Elbow, Air Inlet Lines, and Fuel Lines Are Used for Certain G3500B Engines {1052, 1071, 1274} Caterpillar


A New Air Inlet Elbow, Air Inlet Lines, and Fuel Lines Are Used for Certain G3500B Engines {1052, 1071, 1274}

Usage:

G3520B GLF
Gas Engine
G3516B (S/N: N6E1-UP)
Industrial Engine
G3520B (S/N: GLF1100-UP)
Petroleum Engine
G3520B PETROLEUM (S/N: TPC1001-UP)

Description Of Change: The new air inlet elbow improves the mixing strategy of the fuel and air in the inlet. The air lines and fuel lines have been updated as well to make them compatible with the new elbow.

Adaptable To: The new air inlet elbow, air inlet lines, and fuel lines replace the former air inlet elbow, air inlet lines, and fuel lines.

The new air inlet elbow, air inlet lines, and fuel lines are adaptable to the above engines back to first production.

Note: The new parts are not compatible with the former parts. All parts must be upgraded at the same time.

Reference: Special Instruction, REHS9718 for installation instructions.

Note: The former parts are still serviceable.

The new and former parts are listed in Table 1.

Table 1
New Parts  Description  Former Parts 
463-6667  Air Inlet Elbow Gp  332-3758, 326-7939 
463-6668  Fuel Lines Gp  384-0730, 328-2643 
463-6669  Air Lines Gp  382-6035, 328-2638 
This change is effective for the serial numbers listed in Table 2.

Table 2
Effective Serial Number 
S/N:N6E00347-UP 
S/N:TPC01191-UP 
S/N:GLF01109-UP 

Caterpillar Information System:

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