TM 10-3930-659-34 4-54.  ACCUMULATOR CHARGING. This Task Covers:  Charging Initial Setup: Equipment Conditions: Materials/Parts: •    Parking brake set (see TM 10-3930-659-10). •  Nitrogen (Item 36, Appendix B) •    Frame  locking  bar installed  (see TM 10-3930- •  One preformed packing 659-1 0). •    Left  transmission  side  guard  removed  (see References: TM 10-3930-659-20). •  TM 10-3930-659-10 Tools/Test Equipment: •  TM 10-3930-659-20 •    General mechanic's tool kit (Item 71, Appendix E) •    Nitrogen accumulator charging kit (Item 13, Appendix E) WARNING Ensure   that   nitrogen   accumulator   charging   kit   pressure   regulator   and   gage   are   used   while charging accumulator so that accumulator is not overcharged.  Failure to follow this warning may result in serious injury or death to personnel. CAUTION Accumulator  must  be  charged  with  dry  nitrogen  only.    DO  NOT  use  air  or  any  other  gas,  or accumulator will be damaged. NOTE • Charge accumulator slowly to avoid dislodging inlet check valve seal.  Complete charging should take three minutes or more. • Accumulators are charged the same way.  One accumulator is shown. 4-202