TM-9-2350-261-20-4 Unit Maintenance Manual Volume 4 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

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TM 9-2350-261-20-4 REPLACE COOLANT HEATER AND PUMP UNIT — Continued 0650 00 10. Remove heater (21), pump (22), and bracket (23) from carrier as an assembly. INSPECTION AND REPAIR 1. Check coolant heater and components. See troubleshooting (WP 0070 00). Replace bad heater or components. 2. Check coolant pump. See troubleshooting (WP 0070 00). Replace bad coolant pump (WP 0652 00). 3. Check heater. Replace cracked, dented, or damaged heater (WP 0651 00). INSTALLATION 1. Install heater (1), pump (2), and bracket (3) assembly in carrier on right front sponson. Align bracket (3) with four hull brackets. 0650 00-5