GROUP   NO. COMPONENT/ ASSEMBLY MAINTENANCE    FUNCTION MAINTENANCE LEVEL TOOLS AND EQPT REMARKS (1) (2) (3) (4) (5) (6) C O F H D Section II. MAINTENANCE ALLOCATION CHART FOR ALL RADIO SETS USING RT 1439/VRC, RT 1523(C)/U, RT 1523A(C)/U, RT 1523B(C)/U, RT 1523C(C)/U, OR RT 1523E(C)/U TM  11 5820 890 20 2 B 33 4005 Fill Device Replace 0.1 S Electronic Counter Counter Measures (Ref Group Number 23) MX 18290/VRC (Unit 10) 4006 Fill Device Replace 0.1 T Electronic Counter Counter Measures KYK 13/TSEC 41 Deleted 42 Adapter Set, U Test for AN/USM 410 43 Adapter Set, U Test for AN/USM 465A 44 Case, Alignment Inspect 0.1 Tool Rcvr Xmtr Repair 0.1 RT 1439/VRC, RT 1523(C)/U 4401 Alignment Tool, Adjust 0.1 System Connector   Replace 0.1 Repair 0.3 26 45 Case, Alignment Inspect 0.1 Tool Amp. Repair 0.1 Adptr, Vehicular AM 7239/VRC 4501 Alignment Tool Adjust 0.1 System Replace 0.1 Connector Repair 0.3 26 J7 & J8 4502 Alignment Tool Adjust 0.1 Connector J1 Replace 0.1 Repair 0.3 26