QUICK DISCONNECT COUPLING REPAIR - TM-10-4610-242-13

COMPONENT REPLACEMENT - TM-10-4610-242-13_143

TM-10-4610-242-13 300K Water Storage and Distribution System Model WSDS310 NSN: 4610-01-360-1582 Manual
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TM 10-4610-242-13 3-5. QUICK DISCONNECT COUPLING REPAIR. The following instructions are applicable to both female quick disconnect couplings and caps. This task consists of a. Removal b. Installation INITIAL SET-UP: Equipment Condition : Materials Required: Water system shutdown (para 2-12d) Wiping rag (Item 2, App E) Determine gaskets required from the following General Safety Instructions: table: WARNING Coupling Size Gasket To prevent injury to personnel, all water pumps must 1-inch (Item 1, App I) be shutdown and water pressure relieved from 1 1/2-inch (Item 2, App I) discharge hoses before disconnecting couplings Cap 2-inch (Item 3, App I) or plug all open couplings to prevent water system 4-inch Item 4, App I) contamination NOTES • Repair of a typical 4-inch female coupling and cap is shown . Repair of 2-inch, 1 1/2-inch and 1- inch couplings and caps is similar. • Replacement gaskets are supplied in the accessory kit. a. Removal. Refer to figure 3-2. (1) Disconnect female coupling (1) from water system (para 2-10c). (2) Pull gasket (2) from interior of female coupling (1). b. Installation. Refer to figure 3-2. (1) Using clean wiping rag, remove grit, sand, and dirt from gasket seat inside female coupling (1). (2) Position replacement gasket (2) in female coupling (1). (3) Press gasket (2) into gasket seat inside female coupling (1). There will be no ripples or bumps in gasket material when gasket is properly installed. (4) Connect coupling (1) to water system (para 2-10c). (5) Start up water system (para 2-12c) and test coupling (1) for leaks. 3-28

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