TM 10-3930-664-24 10.  Remove three nuts (26), then remove three bolts (23), springs (24), and packings (25).  Discard packings. 11.  Remove outer brake disc (27), five brake discs (28), and five brake discs (29) from axle case (6). B. CLEANING Clean axle case, remote control lever, piston,  and disc components in accordance with paragraph 1-24. C. INSPECTION 1. Inspect axle case, remote control lever,  piston, and disc components in accordance with paragraph 1-24. 2. Inspect piston and brake discs for evidence of unusual or uneven wear.  Replace any component that is worn or damaged. D. INSTALLATION NOTE When installing outer brake disc (27), ensure  that  projections  on  disc  line up with location of brake pistons. 1. Install five brake discs (28), five brake discs (29), and outer brake disc (27), into axle case (6).  Ensure lubrication holes in discs (28) are aligned. 2. Install three bolts (23), springs (24), and new packings (25).  Tighten bolts until snug, then turn bolts left one full turn.  Install nuts (26) and tighten. 4-102