TM 10-3930-671 -10 3-10.  HYDRAULIC FLUID TANK CHECK AND SERVICE. a. Hydraulic Fluid Level Check. NOTE Hydraulic   fluid   level   check   must   be performed  with  the  engine  OFF  and the     upright     tilted     rear     ward     and lowered completely. (1) Open right side hood (1). (2) Remove hydraulic fluid dipstick (2). (3) Wipe fluid from dipstick (2). (4) Insert dipstick (2) in fill tube (3). (5) Remove dipstick (2). (6) Check fluid level.  Hydraulic fluid level should be between "L" and "F" marks on dipstick (2). (7) If  hydraulic  fluid  level  is  low,  add  hydraulic  fluid (para 3-9 [b]). (8) If  hydraulic  fluid  level  is  not  low,  install  dipstick (2). (9) Close right side hood (1). 3-20