(5) Remove two screws, washers, and differential pressure
(6) Remove draincock and hose.
(7) Remove pressure vent valve.
Cleaning and Inspection.
Drycleaning solvent normally has a flash point
of either 100 or 138 degrees F, depending on the
type being used, but may flash at much lower tem-
peratures if contaminated with gasoline or jet
Avoid repeated and prolonged skin contact.
Do not use near open flame or excessive heat.
Clean all parts in drycleaning solvent (item 1, App. F).
Dry all parts thoroughly.
Inspect sight gage for cracks, breaks, and transparency.
ball for damage.
Inspect gasket for breaks.
Inspect differential pressure gage for signs of damage.
Inspect draincock for free movement of draincock handle.
tubing for kinks, breaks, abraded areas and
pressure vent valve and O-ring for damage.
or repair defective parts.
pressure vent valve (fig. 4-26).
draincock and hose (fig. 4-27).
differential pressure gage.
flare nut couplings to differential pressure
gasket, float ball and sight gage.