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FUEL SYSTEM
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Use a suitable Teflon tape (minimum density of
1.2 g / cc) and start wrapping on the cylinder
valve thread in the direction of male tapered
thread spiral for complete 3 turns as shown and
join with a slight overlap.
Make sure that tape does not overhang the first
thread as it may block passage / small orifices in
any of gas circuit parts.
Cut-off excess tape and draw free end of the
tape and press firmly at the overlay point.
Put the rubber gasket on the valve thread.
Insert the valve thread into the cylinder neck
manually and screw it in clock-wise direction till
the threads do not engage further.
Hold the cylinder in a suitable fixture.
Tighten the valve to a torque value between 27-
30 Kg-m using a torque wrench & tightening tool
(Part No: 5402 5890 47 01) as shown below.
Connect the solenoid valve electrical connector.
Caution!
Do not try to screw / unscrew the valve
by holding the solenoid coil and manual ON /
OFF knob.
After complete installation of the cylinder valve,
check all the connections of cylinder valve and
also check the connection of solenoid coil with
multimeter, and then slowly open the manual
ON/OFF knob of the valve until it is fully open.
NOTE:
Never try to remove the cylinder valve on
vehicle.
For any repairs activity, which requires the
removal of cylinder valve from cylinder,
should be done only at TATA authorized
dealers / at authorized cylinder rectifications
agencies.
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