New Water-Cooled Throttles Are Now Used on Certain G3500 Engines {1265} Caterpillar

Engine

G3512E (S/N: NWC1-UP; SSR1-UP; NGS1-UP)

G3516C (S/N: GSB1-UP; TJB1-UP; GZC1-UP; TJC1-UP; F6D1-UP; NWD1-UP; F6F1-UP; F6H1-UP; F6J1-UP; F6K1-UP; GZZ1-UP)

G3516E (S/N: F6G1-UP; F6L1-UP; GAS1-UP; SLY1-UP)

G3520 (S/N: HET1-UP)

G3520C (S/N: GZA1-UP; GZB1-UP; MAD1-UP; GZJ1-UP; FZK1-UP; GZK1-UP; FZL1-UP; GZL1-UP; FZM1-UP; GZM1-UP; FZN1-UP; GZN1-UP; B9P1-UP; FZP1-UP; RLP1-UP; FZR1-UP; LGS1-UP; FZT1-UP; HAT1-UP; CWW1-UP; CWY1-UP)

G3520E (S/N: GZE1-UP; GZG1-UP; GZH1-UP; HAL1-UP; SXY1-UP)

Power Module

PMG3516 (S/N: JKK1-UP)

Description Of Change: The new throttles have a cast iron top and bottom water passages. The water plate between throttle housing and actuator has been removed. New water lines must be used with the new cast iron throttles.

Adaptable To: The new throttle is adaptable to the above engines back to first production.

The new throttles, former throttles, and water lines are listed in Table 1.

This change is effective for the serial numbers listed in Table 2.