Remove or disconnect nitrogen tanks before maintenance. Never disconnect a pressurized line.
Loosen and disconnect the flare fittings at the elbows (1) and (2).
Remove bowl (3) by sliding latch (4) down and rotating bowl. Discard the bowl. Unscrew the filter element (5)
and discard. This permits the top of the filter housing (6) to be secured in a vise.
Remove both elbows (7) and (8).
Disassemble the new filter by depressing sliding latch (4) and turning the bowl (3). Remove the bowl (3).
Remove the filter element (5) by unscrewing it. Secure the top of the filter housing (6) in a bench vise by
clamping its top and bottom.
Install elbows (7) and (8) in the top of the filter housing (6) with Teflon tape (D1) or sealant (D2). Position the
elbows so that the flare ports are vertically pointing upward as illustrated.
Mount this assembly to the flare fittings of (1) elbow and tubing (2). Tighten the flare nuts.
Install the filter element (5) and assemble the bowl (3) to the top of the filter housing (6) by turning the bowl (3)
until latch (4) clicks.
Perform leak check and confidence test procedure per paragraph 2-8.
END OF TASK