TM 1-1520-238-23 Change 3 B-135 (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 11030302 ARM ASSEMBLY REMOVE 0.4 27, 129, F INSTALL 0.4 154, 376, REPAIR 0.6 377, 434 110304 TRANSDUCER, REMOVE 0.5 376 F MOTIONAL INSTALL 0.5 11030401 BEARING UNIT, PLAIN REPAIR 0.3 376 1104 STICK INSTALLATION, INSPECT 0.1 272, 376, COLLECTIVE REPAIR 1.0 434 110401 CONTROL STICK, INSPECT 0.1 27, 54, K AIRCRAFT REMOVE 1.0 129, 154, INSTALL 1.0 267, 232, 272, 376, REPAIR 0.7 0.3 , , 446 11040101 GRIP ASSEMBLY, REMOVE 0.6 27, 154, CONTROL INSTALL 0.6 155, 215, 262  333 REPAIR 0.5 , , 376, 378 11040102 SWITCH TOGGLE REMOVE 0.3 27, 154, INSTALL 0.3 155, 262, 333, 378 11040103 TUBE ASSEMBLY, INSPECT 0.1 376, 377 COLLECTIVE REMOVE 0.7 INSTALL 0.7 REPAIR 1.5 1104010301 HOUSING ASSEMBLY, REMOVE 0.8 376 L ROTOR INSTALL 0.8 1104010302 CONTROL ROD REPAIR 2.0 377 E 11040104 SWITCH ASSEMBLY REPAIR 0.4 27, 155, 262, 333, 378 AH 11040105 HARNESS REPAIR 0.6 378