TM  10-3930-638-24&P 2-56.  HYDRAULIC  LIFT  SYSTEM  MAINTENANCE  (cont) g. Hydraulic Reservoir. (1) Draining, Cleaning, and Refilling. This task covers servicing which consists of draining, cleaning, and refilling the hydraulic reservoir. INITIAL  SETUP TOOLS EQUIPMENT   CONDITION No. 1 Common Organiza- NSN  4910-00-754-0654 Paragraph Condition  Description tional  Maintenance  Tool  Kit Vehicle parked on level surface, engine Container,  18  gallon  capacity off, and parking brake applied. 2-53c Right side panel removed. MATERIALS/PARTS Cleaning  solvent  P-D-680 Clean  cloths O-rings Replacement  hydraulic  oil  filter Replacement air breather STEP LOCATION ITEM ACTION REMARKS DRAINING 1 Hydraulic a.  Dipstick Remove reservoir, b. 18 gallon container Position Under magnetic drain plug (1) bottom c. Magnetic drain plug (1) Remove and drain oil d. Magnetic drain plug (1) Clean and reinstall CLEANING 2 Hydraulic a. Cap screw (2) Loosen,  then reservoir, remove cover (7) rear and attached parts as an assembly b. O-ring (3) Remove  and  dis- card Dry cleaning solvent (T-D-680), used to clean parts is toxic and flammable. Wear protective goggles and gloves and use only in a well ventilated area. Avoid contact with skin, eyes, and clothes and don’t breathe vapors. Do not use near open flame or exces- sive heat and don’t smoke when using it. Failure to do so could cause serious injury. If you become dizzy while using cleaning solvent,  get  fresh  air  immediately,  and  get  medical  attention.  If contact with skin or clothes is made, flush with large amounts of water. If contact with eyes is made, wash eyes with water immed- iately,  and  obtain  medical  aid  immediately. Change  2  2-440M (Page  2-440N  BLANK)