TM 1-1520-238-23 B-54 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 030202 WHEEL, LANDING GEAR (PARKER-HANNIFIN) REMOVE 0.4 27, 30, 49, 129, INSTALL 0.4 154, 260, 262, 364, 376, 398, REPAIR 0.6 , , 406, 435, 447 03020201 WHEEL, INNER HALF REMOVE 0.5 376 INSTALL 0.5 03020202 WHEEL, OUTER HALF REMOVE 0.5 376 INSTALL 0.5 030203 BRAKE, SINGLE DISK 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 2.1 1.3 427, 439, 447 03020301 CYLINDER ASSEMBLY REMOVE 1.4 27, 52, 129, 149, 154,226, INSTALL 1.4 262, 349, 354A, 376, 384, 439, 447 0302030101    PISTON, HYDRAULIC BRAKE REMOVE 1.2 27,129, 149, 154, Y INSTALL 1.2 226, 262, 349, REPAIR 2.5 354A, 376, 384 030204 BRAKE, SINGLE DISK 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 030205 TRAILING ARM ASSEMBLY, MAIN INSPECT 0.2 0.5 27, 44, 54, 129,