Remove or disconnect nitrogen tanks before maintenance. Never disconnect a pressurized line.
Depressurize and shut down the system per paragraph 2-7.
Remove vent breather (1) using an open end wrench.
Grip the body of the high pressure relief valve (2) with an adjustable wrench. Turn body counterclockwise so that
the pipe threads back out of fitting (3).
Using Teflon tape (D1) or sealant (D2), install the high pressure relief valve (2) by gripping the body of the valve
with an adjustable wrench and turning clockwise until seated in fitting (3).
Install vent breather (1) using the open end wrench.
END OF TASK