TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM9-2350-311-20-1 CHECK FOR LEAKS COOLANT TEMPERATURE . - Check vehicle for oil, fuel, and coolant leaks. - Repair any leaks. - Start engine. - Set engine speed from 1000 to 1200 rpm. - Warm up engine to normal operating temperature while monitoring vehicle temperature water gage. This may take from 30 to 45 minutes for some vehicles. If VTM does not display engine rpm, check: cables and connectors; and pulse tachometer. Replace as needed. I Does vehicle water temperature read from 170 to 185°F (77 to 85°C) after normal warmup period? NOTE Go to paragraph 3-3 to troubleshoot engine and cooling system for high temperature. If no problems are found, go to NG 32 (Figure 3, sheet 29). NOTE I Go to NG 32 (Figure 3, sheet 29). After completing repair, rerun GO CHAIN tests to verify problem has been fixed and that no other problems exist. Start at GO 2 (Figure 2, sheet 8) if VTM is already connected. Otherwise start at GO 1 (Figure 2, sheet 1). Figure 2, Sheet 15 of 20 I-21 Go to Figure 2, sheet 16.