4-13
EXHAUST-VALVE
HYDRAULIC-
LOCK-VALVE
SOLENOID VALVE (OPEN-
EXHAUST-VALVE SOLENOID OE)
SOLENOID VALVE (CLOSE-
EXHAUST-VALVE SOLENOID CE)
ABEf0417
Figure 4-16.—Exhaust-valve hydraulic-lock-valve panel.
PORT C
PISTON
MANUAL LOCK
LOCK POSITIONER
(SHOWN IN UNLOCKED
POSITION)
HOLE FOR PLUNGER
(FROM LPL SOLENOID)
FROM CLOSING
SOLENOID (CL)
PORT A
PORT B
PORT D
FROM OPENING (FIRE)
SOLENOID (FS)
PORT E
ABEf0418
Figure 4-17.—Launch-valve hydraulic lock valve.
