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709 3/4”-2”

709 3/4”-2”. Modification Overview. Production began in 1979 and was discontinued in 1993. Check Cover Removal. Cover is o-ring sealed. Check valve assembly is attached to the cover and spring is contained. Pull cover and assembly straight out of the body. (Do not twist).

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709 3/4”-2”

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  1. 709 3/4”-2”

  2. Modification Overview • Production began in 1979 and was discontinued in 1993.

  3. Check Cover Removal • Cover is o-ring sealed. • Check valve assembly is attached to the cover and spring is contained. • Pull cover and assembly straight out of the body. (Do not twist)

  4. Check Valve Removal • The check valve is attached to the cover with a bayonet locking system. • Check valve assembly is spring loaded. • Holding the assembly in both hands, rotate the seat (cage) ¼ turn.

  5. Check Seat Removal • Once the cover and check valve are removed the seat (cage) is free. • Seat is sealed by an o-ring.

  6. Check Disc Replacement • Check disc and disc holder can be replaced as one piece.

  7. Check Valve Reassembly Notes • Reassemble check valve in reverse order. • Apply lubricant to seat o-ring and lid o-ring.

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