TM 10-5430-237-12&P 0007 00 0007 00-1 OPERATOR AND UNIT MAINTENANCE COLLAPSIBLE FABRIC TANK, WATER STORAGE, 3000 GALLONS TROUBLESHOOTING PROCEDURES INTRODUCTION TO TROUBLESHOOTING. The Troubleshooting Malfunctions list the common malfunctions which you may find during the operation or maintenance of the collapsible fabric water tank assembly or its components.  Perform the tests/inspections and corrective actions in the order listed in the table. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions.   If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor. TROUBLESHOOTING PROCEDURE TANK COLLAR (Models 90074/91038/WT2008) SYMPTOM Tank collar will not inflate. MALFUNCTION Check that inflation valve (2) on tank collar (3) is open. CORRECTIVE ACTION Open inflation valve by turning the center part of the inflation valve (2) clockwise (to the right), as stenciled on the tank collar (3). Model WT2008:  Check that deflation valve is fully closed. CORRECTIVE ACTION Close deflation valve. Check that automotive valve (1) is not damaged. CORRECTIVE ACTION Notify unit maintenance for repair. Check hand pump assembly (9) for damage. CORRECTIVE ACTION Replace preformed packing (Item 2, WP 0033 00). Check foot bellows on Models 91038 and WT2008 for damage. CORRECTIVE ACTION Replace foot bellows if required. Check inflation valve (2) for damage.