40-100 2½”-10”.

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Presentation transcript:

40-100 2½”-10”

Modification Overview Production of the 40 series began in 1989. The 2½”-10” 40-100 was discontinued in 2003.

Check Cover Removal Cover is o-ring sealed. Loosen bolts 3/8”. Spring load is now released from the cover and retained by the check assembly. ** Verify spring load before removing all the bolts.

Check Valve Removal Center stem guided check assembly. Slide subassembly straight out of seat and body.

Check Seat Removal 21/2”-8” sizes are threaded into the body and o-ring sealed. **A special tool is required to remove the seat. 10” size is bolted into the body and o-ring sealed.

Check Disc Replacement 21/2”-6” remove the nut and retaining plate. 8”-10” remove the retaining plate bolts and retaining plate.

Check Valve Reassembly Notes Reassemble check valves in reverse order. Apply lubricant to o-rings.