Tighten the HP pipe connector at the cylinder 37. valve with the torque of additional 1/4th turn of the initial marking on HP pipe connector. Connect the battery negative cable terminal. 38. Keep the CNG shutoff valve at open position. 39. Fill the CNG in the vehicle. 40. Perform the leak detection test with the help of 41. Snoop Liquid Solution (210924350589) / Portable Gas Detector (294014087631).after filling the CNG gas at HP pipe connector to Valve. Assemble both the sides Ventilation Hose 42. Clamp on HP Line at cylinder valve after leak test found OK with tightening torque 0.3 Kg-m and orientation of hose clamp to be maintain as accessibility. NOTE “If New high pressure line is fitted (i.e. replacement case) then 16 Nm torque (Half turn tightening after hand tight of nut) to be ensured CAUTION Do not try to screw / unscrew the valves by • holding the manual ON /OFF knob. After complete installation of the cylinder • valves, check all the connections of cylinder valves and then slowly open the manual ON/OFF knob of the valves until it is fully open. NOTE Never try to remove the cylinder valves on • vehicle. Removal of cylinder valves from cylinders • shall done by TATA Motors Ltd authorized dealers or government authorized cylinder recertification agencies only. Get the CNG Cylinders checked and • recertified after every 3 years or as per the latest CVMR rules at Govt approved test agencies mentioned in this Manual. Never fill CNG cylinders with air, LPG or any • fuel except CNG. Keep the vehicle away from any Fire source. • Remove the CNG tanks during the welding / • brazing work on the Car. 1.2L REVOTRON CNG PHASE-2 ENGINE 153
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