HV ELECTRICAL SYSTEM 80 5. Remove the mounting nut and disconnect the Suction line and the discharge line on Heat Exchanger. 6. Remove the hose and drain the coolant of heat exchanger to coolant pump. 7. Remove the hose and drain the coolant of heat exchanger to HV battery. 8. Remove the mounting screw of heat exchanger of bracket. Fitment Follow reverse procedure for assembly. Tighten the following fasteners to the recommended torque. i) Compressor mounting. ii) Refrigerant lines on compressor. • Service and Maintenance Coolant drain and refill • Conduct activity when BCS pump is off • Remove cap of auxiliary tank • Remove one connection from battery inlet / outlet joint and drain the coolant. Refilling of coolant • Close all joints • Fill coolant from auxiliary tank • Follow de-aeration process.
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