Section V. TROUBLESHOOTING

Table 4-1. Organizational Preventive Maintenance Checks and Services Quarterly Schedule

TM-10-8110-201-14P Drums Fabric Collabsible Non-Vented 500 Gallon Liquid Fuel Part No. 13216E9172 NSN 8110-00-753-4892 Manual
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TM 10-8110-201-14&P Section V. TROUBLESHOOTING 4-12. General. a. This section contains troubleshooting in- formation for locating and correcting most of the operation troubles which may develop in the drums and their components. Each malfunction for an individual component, unit, or system is followed by a list of tests or inspections which will help you to determine corrective actions to take. b. This manual cannot list all malfunctions that may occur, nor all tests or inspection and correc- tive actions. If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor. c. Table 4-2 lists the common malfunctions which you may find during the operation or maintenance of the drums and their components. You should perform the tests/inspections and cor- rective actions in the order listed. 4-13. Organizational Maintenance Trouble- shooting. Refer to table 4-2 for troubleshooting procedures applicable to the drums. Any trouble, the correc- tion of which is beyond the scope of organizational maintenance should be referred to direct support maintenance. Table 4-2. Troubleshooting MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION COUPLER VALVE ASSEMBLY 1. Coupler Valve Assembly Stem Leaks. Inspect for damaged coupler valve assembly preformed packing. Install serviceable preformed packing on valve stem (para 4-14). PRESSURE CONTROL 2. Pressure Control Coupling Halves Leak. Inspect for damaged or missing gasket. Install a serviceable gasket. 3. Fuel Appears on Pressure Control Body Between the Two Main Castings. Step 1. Inspect for broken pilot valve bellows assembly. Install a serviceable valve (para 4-22). Step 2. Inspect for damaged preformed packing in pilot valve. Install serviceable preformed packing (para 4-22). Step 3. Inspect for damaged venturi preformed packing. Install a serviceable venturi preformed packing (para 4-23). Step 4. Inspect venturi throat for damage. Install serviceable venturi (para 4-23). 4. Diaphragm Valve Fails. Step 1. Inspect for ruptured diaphragm. Install a serviceable diaphragm (para 4-20). Step 2. Inspect compression ring for damage. Install serviceable compression ring (para 4-20). 4-11

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