MAIN HYDRAULIC PUMP PRESSURE TEST
Before performing any troubleshooting in bowl, move ejector
forward and disable it from hydraulic system. Failure to comply
may result in severe injury or death to personnel.
Ensure globe valve is fully opened prior to starting vehicle. A fully
or partially closed valve will cause immediate high pressure.
Failure to comply may result in damage to equipment and injury to
Have suitable container ready to catch oil.
Disconnect tee (4) from 13R high pressure filter inlet port, install coupling tube (2), globe
valve (3), tee (4), and pressure measuring device (5) between HYDR FLTR-IN-13R hose
(6) and high-pressure filter inlet port 13R.
Have assistant start engine and allow to idle. Slowly close globe valve (3) until pressure
reaches 3,950-4,050 psi (27,235-27,925 kPa).
Open globe valve (3). Stop engine; relieve hydraulic pressure. Remove all test equipment
and connect hoses.
Refer to TM 5-2350-262-20-2