This task covers:
Wrench, open-end, 518-inch
Tape, teflon (item 32, appendix C)
Drain air from system before removing lines or fittings to avoid personnel injury from compressed air.
Using 5/8-inch wrench, unscrew and take off.
a. Wipe threads clean, and wrap with
b. Screw in, and tighten using 5/8 -inch wrench.