TM 10-3930-669-34 a. Removal. WARNING High  pressure  hydraulics  operate  this  equipment.    Refer  to  vehicle  operator  and  maintenance manuals  for  hydraulic  oil  pressure.    Never  disconnect  any  hydraulic  line  or  fitting  without  first dropping pressure to zero.  A high pressure oil stream can pierce body and cause severe injury to personnel. NOTE • With main power switch in the off position, operate two hydraulic levers (TM 10-3930-669-10) several strokes to ensure release of any trapped hydraulic oil under pressure. • Tag and mark all fittings prior to removal. • Remove cable ties as required. (1) Remove lock nut (1) and elbow (2) from bracket (3).  Discard lock nut. (2) Remove two nuts (4), washers (5), and bracket (3) from pivot arm (6). 13-3