TM 5-4220-227-14 Section II.  MAINTENANCE ALLOCATION CHART FOR RECOMPRESSION CHAMBER, DIVER’S (1) (2) (3) (4) (5) (6) Maintenance Level Direct General Unit Support Support Depot Group Component/ Maintenance Number Assembly Function C O F H D Tools Remarks 0509 INHALATOR Inspect 0.5 MASK Service 2.0 ASSEMBLY, O2 Replace 0.1 1 Repair 0.8 1 C 050901 DEMAND Replace 0.4 1 REGULATOR O2 Repair 1.5 1 050902 EXHAUST REGU- Replace 0.4 1 LATOR, O2 Repair 1.5 1 050903 DUALHOSE Replace 0.4 1 ASSEMBLY Repair 1.0 0510 O2 PIPING Replace 2.0 06 AIR SYSTEM Inspect 0.5 Replace 3.5 1 0601 AIR SUPPLY Inspect 0.5 MANIFOLD Replace 2.0 1,8 Repair 1.0 1 C 060101 VALVE, AIR Replace 0.3 1,3 SUPPLY 3/4 IN. Repair 1.0 1,8 060102 VALVE, AIR Replace 0.3 1,3 SUPPLY 1 IN. Repair 1.0 1,8 0602 AIR EXHAUST Inspect 0.5 MANIFOLD Replace 2.0 1,8 Repair 1.3 1,3 C 060201 VALVES (1 1/4 IN.) Replace 0.3 1,3 Repair 0.1 1,8 0603 AIR PIPING Replace 2.0 1, 10 C, J B-10