4-14. VALVES, LINES AND FITTINGS - Continued
Dry cleaning solvent, P-D-680 or P-S-661, used to clean parts is potentially
dangerous to personnel and property. Use in a well ventilated area as the fumes
are dangerous if inhaled. Avoid repeated a and prolonged skin contact. Do not
use near open flame or excessive heat. Flash point of solvent is 100F. -138F.
(38C. - 59C.)
a. Clean valves, lines and fittings in an
approved cleaning solvent and dry with a
clean, lint-free cloth or compressed air.
a. Inspect lines and fittings for cracks and
a. Replace all defective parts.
Do not use dope or any other lubricant during reassembly of lines and fittings.
a. Refer to illustration at the end of this
section and assemble all plumbing fit-
tings with Permacel Ribbon Thread
Sealant No. 412D or teflon tape