TM 10-4930-204-13
4-28.
SIGHT GAGE, DIFFERENTIAL PRESSURE GAGE, PRESSURE VENT VALVE,
AND DRAINCOCK.
a.
Removal.
(1) Open pressure vent valve by depressing and locking it
(fig. 4-26).
(2) Open filter/separator draincock (fig. 4-27) and drain
solution into suitable container.
Figure 4-27.
Filter/Separator Gages and Valves, Removal and
Installation.
(3) Remove two screws and washers and remove sight gage,
gasket and float ball.
(4) Disconnect flare nut couplings from differential
pressure gage.
4-52
