APRON RELIEF VALVE PRESSURE TEST
Before performing any hydraulic troubleshooting in bowl, move
ejector forward and engage the ejector lock. Failure to comply may
result in severe injury or death to personnel.
Have suitable container ready to catch oil.
Start engine, move ejector forward, engage ejector lock, stop engine, and relieve
Disconnect CONT VLV-20 hose (1) from elbow (2) at port 20 of apron control valve.
Connect pressure measuring device (3) to elbow (2). Plug hose (1).
Have assistant start engine and hold APRON CONTROL lever in DOWN position. Read
pressure measuring device (3).
APRON RELIEF VALVE ADJUSTMENT
As assistant holds APRON CONTROL lever DOWN, loosen jamnut (4) and rotate
adjusting screw (5) clockwise to increase pressure; counterclockwise to decrease
pressure. When adjustment is completed, tighten jamnut (4).
Stop engine; relieve hydraulic pressure.
Refer to TM 5-2350-262-20-2.