TM  10-3930-638-24&P 3-30.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) a. Control Valve  (cont) STEP LOCATION ITEM ACTION REMARKS LIFT VALVE SECTION REASSEMBLY (cont) d. Back-up ring (31) Install (cont) e. O-ring (30) Install f. Back-up ring (29) Install g. Plug (28) Install 42 Housing (36), Conversion  plug  assembly Install bottom (27) 43 Housing (36), a. O-ring (26) Position rear b. Plug (25) Install 44 Check plug (24) a. O-ring (23) Install b. Back-up ring (22) Install c. O-ring (21) Install d. Back-up ring (20) Install e. O-ring (19) Install f. Back-up ring (18) Install g.  Poppet  spring  (17) Install h. Load check poppet (16) Install 45 Housing (36), Load check plug assembly Install top (15) 46 Spool (8) a. Two O-rings (7) Install b. Two back-up rings (6) Install c. Two seal retainer plates Install (5) 47 Housing (36), a. Spool (8) Install top b. Seal plate (2) Position c. Two screws (1) Install 48 Housing (36), 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 On plug (25) On check plug (24) On spool (8) 3-215