TIGOR EV_ZIPTRON_SERVICE MANUAL

HV ELECTRICAL SYSTEM 56 C. TCS COOLANT DRAINING PROCEDURE COOLANT QUANTITY: 2.9 Lit COOLANT SPECIFICATIONS: Ratio 40:60 - Ethylene Glycol (1.160Lit) + Water (1.740 Lit) DRAINING PROCEDURE NOTE: ‘While draining the coolant TCS Aux. tank Cap must be in open condition’. 1. Ensure Traction coolant temperature is normal / ambient temperature. 2. Remove Aux Tank cap. 3. Place the container to collect coolant. 4. Remove the Hose spring band clamp before pump inlet & disconnect the inlet pipe. 5. Remove the Motor outlet Hose spring band clamp. 6. Collect the Coolant in the container & wait till coolant get drain from Traction cooling system. D. TCS COOLANT FILLING PROCEDURE 1. Open the Aux Tank and fill coolant up to Max mark on Aux Tank. 2. Ensure that all hoses are connected and clamps are fitted properly before filling coolant from auxiliary tank. 3. Fill coolant up to the Max level in auxiliary tank. 4. Start the vehicle and after 5 minutes check the coolant level, If it drops then top up till MAX level. NOTE After filling the coolant, the coolant pump can be run through the service tool for the deaeration of coolant circuit. Or the vehicle can be cranked to run the pump, because in vehicle cranked state the pump operation starts in default speed which will in turn deaerate the circuit.