TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download

Page 654 of 1760

KNOWN INFO Does high engine temperature indicator illuminate when master power switch is positioned to on? 1. CAUTION Read CAUTION on following page. START TEST OPTIONS REASON FOR QUESTION If high engine temperature indicator does not illuminate when master power switch is positioned to on, coolant temperature light switch is faulty. NO YES Replace coolant temperature light switch (para 7-22). Operational Test e24A. HIGH ENGINE TEMPERATURE INDICATOR ILLUMINATES INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-365-10). Personnel Required (2) Tools and Special Tools Tool Kit, Genl Mech (Item 44, Appendix C) STE/ICE-R (Item 39, Appendix C) Multimeter, Digital (Item 22, Appendix C) References TM 9-4910-571-12&P TM 9-2320-365-20-1 2-408.2 Change 2 Engine temperature is below 216°F (102°C) when high engine temperature indicator illuminates. POSSIBLE PROBLEMS Faulty coolant temperature light switch. Faulty LAMP TEST switch (if equipped). Faulty engine control cable assembly. Faulty WTEC II dashboard cable assembly. Faulty WTEC III dashboard cable assembly.