TM  10-3930-638-24&P 3-30.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) a.  Control  Valve  (cont). STEP LOCATION ITEM ACTION REMARKS LEFT COVER PLATE REASSEMBLY (cont) 33 Plugs  (7) O-rings  (8) Install On plugs (7) 34 Top Relief plug assembly (1) Install In cover plate (9) 35 Rear Plugs (7) with O-rings (8) Install In cover plate (9) ROTATE, SIDESHIFT, AND TILT VALVE SECTIONS REASSEMBLY 36 Check  plugs a. Two O-rings (23) Install On check plugs (24) (24) b.  Two  back-up  rings  (22)  Install c. Two O-rings (21) Install d.  Two  back-up  rings  (20)  Install e. Two O-rings (19) Install f. Two back-up rings (18) Install g. Two poppet springs (17) Install h. Two load check poppets Install (16) 37 Housing (25), Two check plug assem- Install top  and  bottom blies(15) 38 Spool (8) a. Two O-rings (7) Install On  spool  (8) b. Two back-up rings (6) Install c. Two seal retainer Install plates  (5) 39 Housing (25), a. Spool (8) Install In housing bore top b. Seal plate (2) Position c. Two screws (1) Install 40 Housing (25), a. Spring collar (14) Install bottom b.  Return  spring  (13) Install c. Spring collar (12) Install d. Spool collar (11) Install e. Lock washer (10) and Install screw (9) f. Bonnet (4) Position g. Two screws (3) Install LIFT VALVE SECTION REASSEMBLY 41 Check plug (35) a. O-ring (34) Install On check plug (35) b. Back-up ring (33) Install c. O-ring (32) Install 3-214