Disconnecting busbars and contactors Now remove the connection of contactors -VE • (B- +) Assembling the pack cover After connections are done, put the top cover • of the battery pack for fixing a torque of 6-8 N.M is used. The ratchet will move in clockwise direction. Performe IPX7 After closing the pack, it’s important to performe • the IPX7 test on the pack. GENERAL CHECK POINTS 1. After the replacements are done make sure to connect the wires as they were. 2. Check continuity across the replaced pack. 3. Mark the faulty ones and send them back to Pune office. L. REPLACMENT OF LV HARNESS Removing the connection Disconnect the LV and BMS connection • Now remove the LV and HV connection • First remove the out connection of coolant • coming from LV harness and also the coolant pipe. HIGH VOLTAGE ELECTRICAL SYSTEM (HV) 95
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