SUSPENSION 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 RELIEF VLV-9 tube (4) from suspension relief valve tee (3) and rear left-hand
main manifold tee (5). Cap tee (5).
Rotate suspension relief valve tee (3) 90 upward toward front of vehicle. Tighten jamnut
Disconnect LH MAIN MANF TOP-17R hose (6) from port 17R on left-hand main manifold
(7) and connect it to suspension relief valve tee (3). Cap port 17R
Connect pressure measuring device (8) to suspension relief valve tee (3).
Have assistant start engine and move SPRUNG/UNSPRUNG lever to SPRUNG and
right-hand SUSPENSION CONTROL lever to LOWER. Read pressure measuring device