TM-9-2350-261-20-4 Unit Maintenance Manual Volume 4 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 68 of 788
TM 9-2350-261-20-4 DRAIN AND FILL ENGINE COOLANT HEATER SYSTEM — Continued 0639 00 DRAIN 1. Open shutoff valve (1) at coolant pump (2) and valve (3) at heater (4). 2. Completely drain cooling system (WP 0193 00). 3. Remove batteries and retainers (WP 0302 00 or WP 0303 00). 4. Remove and drain battery box heat exchanger (5) (WP 0309 00 or WP 0310 00). 5 . In stall battery box h eat exchan ger ( WP 0 309 0 0 or WP 031 0 00). 6. Install batteries and retainers (WP 0302 00 or WP 0303 00). 0639 00-2