B-4 TM    10-4930-220-13&P (1) Group Number 01 02 03 04 05 06 Section II. MAINTENANCE ALLOCATION CHART (2) Component/ Assembly TANK  ASSEMBLY TANK MANHOLE   COVER GASKET, MANHOLE GASKET, FILLER  COVER VALVE,  DRAIN VALVE,  PUMP TIEDOWN ASSEMBLY ACCESSORY STOWAGE  BOX HOSE  ASSEMBLY NOZZLE ASSEMBLY GROUND  ROD ASSEMBLY (3) Maintenance Function INSPECT PURGE REPLACE REPAIR INSPECT REPLACE REPAIR INSPECT REPLACE INSPECT REPLACE INSPECT REPLACE INSPECT REPLACE INSPECT REPLACE INSPECT REPLACE INSPECT REPLACE INSPECT SERVICE REPLACE INSPECT REPLACE REPAIR (4) Maintenance  Level Unit 0.5 0.2 0.2 0.2 0.2 0.2 0.3 0.1 0.3 0.1 0.1 O 4.0 2.0 0.4 0.5 0.4 0.3 5.0 5.0 0.3 0.5 0.1 0.1 0.2 0.2 0.3 D/S F 6.0 Depot D (5) Tools and Equipment 5, 4, 3 4 4 4 4 4 4, 1 4 4, 1 4, 1 4 (6) Remarks A B C D