BODY AS-PISTON 7E8929 - Caterpillar

EngineG3508 (S/N: CPJ1-UP; WPN1-UP; DLR1-UP; CPS1-UP)G3508B (S/N: RBK1-UP)G3512 (S/N: CRN1-UP; CSP1-UP; WPP1-UP; WPR1-UP; GNS1-UP)G3512B (S/N: JHH1-UP)G3512E (S/N: GFM1-UP; SSR1-UP; NGS1-UP; SST1-UP)G3512H (S/N: GF51-UP)G3516 (S/N: SB31-UP; AL71-UP; L6A1-UP; N6A1-UP; ZBA1-UP; N6B1-UP; N6C1-UP; L6E1-UP; L6F1-UP; L6G1-UP; 4EK1-UP; WPS1-UP; WPT1-UP; WPW1-UP; ZAZ1-UP)G3516B (S/N: ZBB1-UP; N6E1-UP; JEF1-UP; L6H1-UP; L6J1-UP)G3516C (S/N: GSB1-UP; GZC1-UP; F6D1-UP; F6E1-UP; F6F1-UP; F6M1-UP; GZZ1-UP)G3516E (S/N: F6G1-UP; GAS1-UP)G3516H (S/N: NWH1-UP; NWJ1-UP; GLM1-UP; GLN1-UP)G3520B (S/N: GLF1-UP)G3520C (S/N: GZA1-UP; GZB1-UP; GZJ1-UP; GZL1-UP; GZM1-UP; GZN1-UP; RLP1-UP; LGS1-UP)G3520E (S/N: GZE1-UP)G3520H (S/N: GFP1-UP; GFR1-UP)Petroleum EngineG3520B PETROLEUM (S/N: TPC1-UP)Introduction
The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.Problem
Gas engines with thermocouples are displaying erratic or no output readings in regions across the world. Many of the analyzed thermocouples have shown signs of overheating.Solution
Ensure that the thermocouples are not covered by any type of insulation or wrap that will prevent cooling from circulating air.