TM  10-3930-638-24&P 2-56.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) g. Hydraulic Reservoir (cont). (1) Draining, Cleaning, and Refilling (cont). 2 STEP LOCATION ITEM ACTION REMARKS CLEANING  (cont) c. Hydraulic reservoir Clean interior Use  clean  cloth  moistened  with  cleaning (Cont) interior solvent  P-D-680;  wipe  dry  with  clean cloth d. Cap screw (2), O-ring Remove;  discard (4), washer (5), and O-ring  (4) nut (8) e. Hold-down bar (6) Remove and clean Use clean cloth moistened with cleaning solvent  P-D-680 f. Cover (7) Clean Use  clean  cloth  moistened  with  cleaning solvent  P-D-680 g. Hold-down bar (6) Position on cover (7) h. Washer (5), O-ring (4) Position on cap screw (2) i. Cap screw (2) Install loosely in cover (7) and hold-down bar (6) j. Nut (8) Install on cap screw (2) k. O-ring (3) Position on cover (7) l. Cover (7) Install m. Cap screw (2) Tighten  to  draw cover  tight n. Oil filter Replace Para  2-56g(2) o. Strainer Clean Para  2-56g(3) p. Air breather Replace Para  2-56g(4) REFILLING 3 Hydraulic a. Hydraulic reservoir Fill with oil to Refer to current lubrication order reservoir fill between FULL and  ADD  marks on dipstick b.  Dipstick Install 2-442