TM  10-3930-638-24&P 2-43. SERVICE BRAKE MAINTENANCE a. Service Brake Assembly. This   task   covers: a.   Inspection e. b.   Removal f . c.   Cleaning g. d.   Inspection h. (after   removal) INITIAL  SETUP Repair Installation/Replacement Adjustment Bleeding   brakes TOOLS EQUIPMENT CONDITION No.  1  Common  Organ-  NSN  4910-00-754-0654 Paragraph Condition   Description izational    Maint- Engine   off. enance   Tool   Kit Vehicle   parked   on   level   sur- Shop  Vacuum  Cleaner face,   wheels   blocked   and Hard   Wooden   Blocks   (2), parking   brake   applied. 6   by   6   by   18   inches 2-47 Wheel   removed. WARNING Tire   and   wheel   assembly   must   be   removed   before   removing   axle   shaft and   hub   and   drum   assembly   to   avoid   damaging   axle   oil   seal.   Damage to   seal   can   result   in   contamination   of   brake   linings   and   brake f a i l u r e . MATERIAL/PARTS Brake   fluid,   silicone (MIL-B-46176) Cleaning   solvent   P-D-680 2-39f Axle   shaft   and   hub and  drum  assembly removed. 2-282        Change  4