EJECTOR CONTROL VALVE
EJECTOR CYLINDER INTERNAL LEAKAGE TEST
Have suitable container ready to catch oil.
Remove pressure measuring device (1) from elbow (2) on port 21 ejector control valve.
Cap port 21 and connect CONT-VLV-22 hose (3) to elbow (4) on port 22.
Start engine and have assistant hold EJECTOR CONTROL lever in the BACK position for
one minute. Mark position of ejector at side of hull and continue to hold lever in the BACK
position for one more minute. Check position of ejector while still holding lever in the
BACK position. If ejector has moved more than 0.5 in. (13 mm), the ejector cylinder is
Stop engine and relieve hydraulic pressure. Remove all test equipment and connect
Follow ejector control valve leakage test from block 4.
Refer to TM 5-2320-262-20-2.