TM-9-2350-277-20-2 Unit Maintenance Manual Volume 2 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-2 DRAIN AND FILL COOLING SYSTEM — Continued 0227 00 FILL COOLING SYSTEM C A U T I O N If not filling coolant system immediately, tag master switch to warn others that engine coolant has been drained. NOTE Use coolant in system at all times. It will reduce corrosion in engine block and cooling system parts. Ethylene glycol coolant will provide low temperature protection. Mix coolant and clean water based on protection label on container. When filling the auxiliary tank, add coolant slowly to allow trapped air to escape. 1. Fill system with coolant. Bring coolant level to COLD mark of filler neck. 2. Install coolant filler cap (4) on auxiliary tank (5). 3. Close coolant filler cap cover (6) on power plant grill (7). C A U T I O N Do not operate engine if temperature is 230 F (110 C) or above. Serious engine damage will occur. 4. Start and run engine until operating temperature of 180 to 230 F (82 to 110 C) is reached. C A U T I O N If engine coolant temperature gage reading is above 230 F (110 C), stop engine (see you -10) and allow it to cool. Check the following for cause of engine overheat: Make sure air cleaner element is clean and installed right (see your -10). Check fan belts (WP 0242 00) for correct adjustment. Check radiator and air intake grill air passages. Clean and remove debris preventing free movement of air (see your -10). Check engine oil level. Check for right grade of oil (WP 0155 00). 5. Stop engine and allow it to cool (see your -10). 0227 00-4 Change 1