New Software Is Used on Certain G3516C Generator Set Engines {1920, 7490, 7610, 7620} Caterpillar


New Software Is Used on Certain G3516C Generator Set Engines {1920, 7490, 7610, 7620}

Usage:

G3516C F6F
Generator Set
G3516C (S/N: GZC1-UP; F6F1-UP)
Power Module
PMG3516 (S/N: JKK1-UP)

Description Of Change: The new software has changes to the Air/Fuel Ratio (AFR) maps to help with engine starting.

Adaptable To: The new software replaces the former software.

The new software is adaptable to the above engines back to first production.

The new and former software is listed in Table 1.

Table 1
Sales Model  New Software  Former Software 
50 Hz Switchable Gensets  494-7648  487-6049 
60 Hz Switchable Gensets  496-9933  399-2497 
This change is effective for the serial numbers listed in Table 2.

Table 2
Effective Serial Number 
S/N:F6F00134-UP 
S/N:GZC00265-UP 
S/N:JKK00384-UP 

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