TM 1-1520-238-23 B-52 Change 3 (1) (6) (5) (4) (3) (2) MAINTENANCE LEVEL GROUP NUMBER REMARKS CODE TOOLS & EQUIP REF CODE DEPOT (D) AVIM (F) AVUM (O) MAINTENANCE FUNCTION COMPONENT/ASSEMBLY 030104 BRAKE, SINGLE DISK (PARKER  HANNIFIN) INSPECT 0.2 0.3 27, 52, 129  149 Q - TEST 0.8 , , 154, 222, REMOVE 1.1 226, 262, 349, 354A INSTALL 1.1 354A, 376, 384, REPAIR 3.0 1.3 427, 439, 447 03010401 CYLINDER ASSEMBLY REMOVE 1.4 27, 52, 129, 149, 154,226, INSTALL 1.4 262, 349, 354A, 376, 384, 439, 447 0301040101    PISTON, HYDRAULIC BRAKE REMOVE 1.2 27,129, 149, 154, Y INSTALL 1.2 226, 262, 349, REPAIR 2.5 354A, 376, 384 03010402 VALVE, BLEEDER, HYDRAULIC REMOVE 0.2 27, 52, 129, 149, 154, 222, Y INSTALL 0.2 226, 262, 349, 354A, 376, 384 030105 LANDING GEAR ASSEMBLY REMOVE 2.8 27, 154, 215, 218, INSTALL 2.8 262, 376, 435 03010501 TRAILING ARM ASSEMBLY, MAIN INSPECT 0.2 0.5 27, 44, 54, 129, REMOVE 2.5 141, 154, 215, 262, INSTALL 2.5 335, 340, 376, 378, REPAIR 1.0 1.3 384, 433, 435, 445