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 05 OXYGEN (O2) Replace 10.0 SYSTEM Repair 2.1 1 A 0501 O2 "K" BOTTLES/ Inspect 0.3 MANIFOLD Replace 0.2 1 Repair 3.0 050101 GAGE 0-5000 PSI Inspect 0.1 Calibrate 1.0 Replace 1.0 1 050102 HOSE, O2 HIGH Inspect 0.3 PRESSURE (HP) Test 1.0 I 0502 PRESSURE Inspect 0.1 GAGES,O2 Calibrate 1.0 (HP/LP) Replace 0.5 1 0503 PRESSURE Replace 1.0 1,3 REGULATOR O2 Repair 4.0 1,8 0504 BACK PRESSURE Replace 1.0 1,3 REGULATOR O2 Repair 4.0 1, 8 0505 VALVES, Replace 1.0 1,3 O2 SHUTOFF Repair 1.5 1 0506 VALVE, Replace 0.3 1 ISOLATOR Repair 0.5 1 0507 DUMP VALVE, Replace 0.3 1,3 ASSEMBLY Repair 0.5 1,8 0508 MANIFOLD, Inspect 0.3 BIBS, O2 Replace 0.3 1 B-9