TM 10-8415-208-12
Section II. UNIT TROUBLESHOOTING PROCEDURES
3-3. GENERAL. The table lists the common malfunctions which you may find during the operation or maintenance of
the STEPO-I. You should perform the tests/inspections and corrective actions in the order listed
This manual cannot list all malfunctions that may occur, nor all the tests or inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor
Symptom Index
Troubleshooting Procedures
(Para)
Tether Line
Leaks..................................................................................................................................1
Encapsulating Protective Suit
Visual Defects.....................................................................................................................2
Ice Vest
Leaks..................................................................................................................................3
Not Circulating Coolant .......................................................................................................4
Emergency Breathing Apparatus (EBA)
Provides No Cooling ...........................................................................................................5
Cylinder Gauge Low Pressure Reading...............................................................................6
Warning Light Flashes ........................................................................................................7
Warning Light Not Burning..................................................................................................8
Regulator Valve Difficult to Turn .........................................................................................9
Cylinder Clamp is Stiff or Hard to Turn .............................................................................. 10
Breathing Tube Leaks ........................................................................................................ 11
High Exhalation Resistance in EBA Face Piece ................................................................. 12
Harness System Discomfort............................................................................................... 13
Rebreather System
Provides Insufficient Oxygen ............................................................................................. 14
Not Cooling the Oxygen..................................................................................................... 15
Alarm Whistle Inoperative.................................................................................................. 16
High Exhalation Resistance in Face Piece ......................................................................... 17
Diaphragm Bottoms Restricting Inhalation ......................................................................... 18
Oxygen Bottle Pressure Gauge Low Pressure Reading...................................................... 19
Breathing Hose Leaks........................................................................................................ 20
System Pressure Gauge Low Pressure Reading ................................................................ 21
Harness System Discomfort............................................................................................... 22
3-5
