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DCV & DCVE½”-2” Modification Guide: Production Overview & Step-by-Step Removal and Replacement Instructions

Learn about the production history of the DCV model series and the lead-free DCVE version. This guide provides detailed instructions on how to remove and replace the cover, check valve, disc, seat, and reassemble the parts properly.

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DCV & DCVE½”-2” Modification Guide: Production Overview & Step-by-Step Removal and Replacement Instructions

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  1. DCV, DCVE½”-2”

  2. Modification Overview • Production of the model DCV began in 1993. • The lead free version (DCVE) was introduced in 2002 and is current.

  3. Single Access Cover Removal • Cover has no spring load and is o-ring sealed.

  4. Check Valve Removal • Modules are o-ring sealed and secured by spring clips. • Pinch together the exposed ends of the clip and pull away from module. ** Use adjustable pliers if necessary.

  5. Check Valve Removal • Once the spring clips are removed, the modules can be pulled straight out of the body. • Check valves can be removed in any order.

  6. Disassemble Check Valve • Check modules are spring loaded. • Holding the module firmly, unscrew the stem from the disc holder. • Place a wrench on the spring retainer and a wrench on the disc holder.

  7. Check Disc Replacement • Once the module is disassembled, the disc holder, retainer and disc are free. • Reassemble in reverse order.

  8. Check Seat Removal • The check seat is part of the module. • If the seat is damaged, the entire module must be replaced.

  9. Check Valve Reassembly Notes • Lubricate o-rings. • Push checks into body. • Replace spring clips in reverse order.

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