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: CAUTION Equipment corrosion hazard.  Remove the battery from the EBA battery box when the unit is not in use.  Failure to remove the battery may cause equipment damage from corrosion and require replacement of the EBA. 33 Battery Ensure "D" size battery is available. Battery not available. 34 Remove battery from battery box. Battery is installed. 35 Cylinder Check the pressure gauge to Cylinder is not ensure the cylinder is charged charged approxi- to approximately 2500 PSIG. mately 2500 PSIG or date of last hydrostatic test is not current. NOTE The hydrostatic test date is stamped on the cylinder near the neck. 36 Check hydrostatic test date Test date is over 5 years old. 37     Cushion Cover Ensure cushion cover is Cushion cover not available. available. 38 Check for cuts, rips, tears, Damage is found. missing or broken snaps. NOTE The EBA 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. 39 Leak Test Perform leak test (See paragraph Fails leak test. 3-9.3.3). 40 Static Pressure Perform static pressure test. Fails the pressure Test (See paragraph 3-9.3.1 ) test. 41 Air Flow Perform air flow performance Fails the test. Performance Test test.  (See paragraph 3-9.3.2.) NOTE PMCS steps 42 through 67 pertain to the rebreather system mode. Change 2  3-139