TM 10-8415-208-12 Table 3-2.  Unit Preventive Maintenance Checks and Services for the STEPO-I(Cont) A - After Operation Q - Quarterly INTERVAL Item Item To Be Procedures Equipment Is No. Inspected Check For And Have Repaired Not Ready/ A Q Or Adjusted As Necessary Available If: WARNING Compressed oxygen hazard.  Replace the rebreather oxygen bottle if it is suspected to be leaking.  Damaged oxygen bottles must be repaired ONLY by personnel trained and certified to accomplish such work.  Tampering with damaged oxygen bottles could result in personnel injury or death due to combustion or sudden release of high pressure. 54 Oxygen Bottle Ensure bottle is pressurized and Bottle is below 2,400 indicates 2,400 PSIG and date of last PSIG or date of last hydrostatic test is current. hydrostatic test is not current. NOTE The hydrostatic test date is on the label or stamped on the cylinder near the neck. 55 Check hydrostatic test date. Test date is over 3 years old. 56 Adjustable Inspect webbing for rips, tears, Webbing is ripped or Straps missing or broken buckles and torn or buckles are cleanliness. broken or missing. NOTE The rebreather system shall be tested before initial wear, after each use, monthly, after specified maintenance and when damage is suspected due to a visual inspection or poor performance. 57 Breathing Perform leak test. (See Fails the leak test. System Leak paragraph 3-10.4.2.) Test 58 Oxygen Perform oxygen constant flow Fails the test. Constant Flow test.  (See paragraph 3-10.4.3) Rate Test Ice Vest (Rebreather System Mode) 59 Battery Ensure a battery available. Battery is not available. Change 2  3-141