TM 10-3930-664-24 4. Install spring guide (5), spring (6), ball holder (7), and ball (8) into relief valve body (2). 5. Install   adjusting   screw   (4)   to   depth   recorded during disassembly. 6. Lubricate new O-ring (3) with clean lubricating oil and install onto relief valve body (2). 7. Install  relief  valve  body  (2)  into  valve  body  (1). Torque to 25 to 40 ft-lbs (34 to 54 Nm). 8. Remove priority valve from vise. FOLLOW-ON MAINTENANCE: Install priority valve (para.  2-121) END OF TASK 3-158