TM 10-3930-671-24 3-32. HYDRAULIC RESERVOIR REPLACEMENT. a. Removal. (1) Disconnect batteries (Para 3-25). WARNING Hydraulic fluid is slippery and can cause personal injury when spilled on a floor or other smooth surface.  Precautions should be taken to avoid any spillage and to clean up any spills when they occur. (2) Drain hydraulic reservoir (Appendix F, Hydraulic Sump - Fluid and Filter Change, Section 10.1). (3) Remove dipstick (1) and breather cap (2) from hydraulic sump cover (3). (4) Remove hose (4) from fitting (5). (5) Remove clamp (6) and hose (7) from hydraulic sump cover (3). (6) Remove clamp (8), seal (9), hydraulic sump cover (3), and screen (10) from hydraulic sump (11).  Discard seal. 3-90