TM 10-3930-659-10 Table 2-1.  Preventive Maintenance Checks and Services (Con’t). LOCATION ITEM ITEM TO NOT FULLY MISSION NO. INTERVAL CHECK/ PROCEDURE CAPABLE IF: SERVICE 1 Before Left b.  Check left side of vehicle for b.  Any damage that (Con’t) Front and obvious damage that would will prevent oper- Side impair operation. ation. 2 Before Left Side Tires WARNING Operating  a  vehicle  with  an  underinflated  tire or  with  a  questionable  tire  defect  may  lead  to premature  tire  failure  and  may  result  in  equip- ment damage, or Injury or death to personnel. Visually check tire for presence Tire is missing, de- and underinflation. flatbed, or unservice- able. 3 Before Hydraulic System Reservoir NOTE The  vehicle  must  be  parked  on  level  ground with fork carriage lowered to ground. Visually check oil level in hydraulic reservoir (see paragraph 3-10).  Oil level should be in center of hydraulic  oil  level  sight  gage  (1).    Add  sufficient fluid  to  bring  oil  level  to  center  of  hydraulic  oil level sight gage. A704481 2-15