TM 1-1520-238-23 Change 4 B-55 (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 REMOVE 2.4 141, 154, 215, 262, INSTALL 2.4 335, 340, 376, 378, REPAIR 1.0 1.3 384, 433, 435, 445 030206 SHOCK STRUT ASSEMBLY  MAIN INSPECT 0.1 27, 109, 112  129 , SERVICE 0.5 0.5 , , 154, 171, REMOVE 0.8 183, 199, 215, 262, INSTALL 0.8 312A, 335, 336, REPAIR 1.3 0.5 376, 384, 425, 435, OVERHAUL 20.3 438, 442, 445 03020601 PISTON, LINEAR ACTUATOR OVERHAUL 5.9 27, 154, 171, 262, 336, 384, 425, 445 03020602 CONNECTOR, ROD END INSPECT 0.1 27, 154, REMOVE 0.2 262, 335, INSTALL 0.2 376, 442 REPAIR 1.5 03020603 VALVE ASSEMBLY, SHOCK STRUT OVERHAUL 2.1 27, 154, 262, 376 Y 0303 TAIL, LANDING GEAR SERVICE 0.3 376 REPAIR 0.8 030301 LANDING GEAR FIXED REMOVE 0.5 27, 154, 215, 218, INSTALL 0.5 262, 376, 435 03030101 LEVER, REMOTE REMOVE 0.2 27, 154, CONTROL INSTALL 0.2 262, 376 REPAIR 0.5