TM 9-2330-384-14&P
1-15. FUEL LOADING/UNLOADING SYSTEM (Con't).
FUNCTION
KEY
NAME
22 Precheck Valve
Manually operated ball-type valve controls fuel flow through
precheck tubing.
23
Pressure Gage
Displays a pressure reading which indicates to operator whether
emergency valve is open or closed. Operaor does not activate
precheck cycle until pressure gage indicates a steady reading of
5-15 psi (34-103 kPa) .
Delivers fuel from outlet of precheck valve to inlet of check valve.
24
Precheck Tubing
(Precheck Valve-to-
Check Valve)
Installed as a safety feature to permit fuel flow in one direction only,
25
Check Valve
as indicated by arrow on valve. If precheck tubing is damaged or
removed for maintenance, fuel will not leak from tank.
26
Precheck Tubing (Piping
Delivers fuel from tap at piping assembly to inlet of precheck valve
inside cabinet.
Assembly-to-Precheck
Valve)
Delivers fuel from tap at piping assembly to pressure gage inside
27
Precheck Tubing (Piping
cabinet.
Assembly-to-Pressure
Gage)
1-36
