HYDRAULIC OIL OVERHEATS - Continued
Using CHANGE POSITION button (Figure 10, Item 4), open V5 on HDC display (Figure 10, Item 2).
Repeat step for V12, V13 and V19; opening V12 and V13, and closing V19.
Stop engine; relieve hydraulic pressure.
Is transducer T-13 hydraulic pressure 3,700-3,800 psi (25,512-26,201 kPa)?
YES - Verify problem is solved.
NO - Replace suspension relief valve (TM 5-2350-262-20).
Perform main hydraulic pump pressure test using HDC.
· Before performing any troubleshooting in bowl, move ejector forward and engage
ejector lock. Failure to comply may result in severe injury or death to personnel.
· Ensure right main hydraulic pressure inhibit valve V21 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 personnel.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 10, Item 5) on HDC control
Figure 10. Hydraulic Diagnostic Center (HDC) Control Box.