TM 5-3825-226-24 BRAKE HEAD ASSEMBLIES 5. Remove  the  eight  bolts  that  hold  the  brake  head assembly to the housing. NOTE: The    center    two    bolts    can    not    be removed   completely   because   of   the clearance    between    the    brake    head assembly   and   the   brake   line   guard. Remove   these   bolts   with   the   brake head assembly. 6. Remove the brake head assembly.  Weight of the brake head assembly is 90 lb. (41 kg.). CAUTION The two anchor pins and brake linings are  free  to  fall  out  of  the  brake  head assembly and must be held in position. INSTALL BRAKE HEAD ASSEMBLIES Tools Needed A 8S7640 Stand 1 8S7611 Tube 1 8S7615 Pin 1 8S8048 Saddle 1 1. Fasten  a  hoist  to  the  brake  head  assembly  with two 3/8"-16 NC forged eyebolts. 2. Put   two   of   the   bolts   that   hold   the   brake   head assembly  to  the  axle  housing  in  the  center  two holes of the brake head assembly bracket. CAUTION: Make   sure   the   two   anchor   pins   and brake linings are held in position when the brake head assembly is installed. 3. Put  the  brake  head  assembly  in  position  on  the machine and tighten the bolts to a torque of 225 ± 25 Ib. ft.  (300 ±  35 N•m). 4. Remove  the  forged  eyeballs  and  hoist  from  the brake head assembly. 5. Push    the    anchor    pins    into    the    brake    head assembly.  Make sure there is .010 in.  (0.25 mm) or  more  distance  between  the  anchor  pins  and wheel disc.  Install the two bolts to hold the anchor pins. 6. Connect    the    brake    line    to    the    brake    head assembly 7. Remove  (bleed)  the  air  from  the  hydraulic  brake system.    See  AIR  REMOVAL  FROM  BRAKES  in TESTING AND ADJUSTING. 8. Remove    tooling    (A).        Put    into    position    the hydraulic   jack   used   to   lift   the   machine   for   tire installation. end by: a)  install rim and tire (tractor or water distributor). 3-285