950DA 21/2”-10”.

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Presentation transcript:

950DA 21/2”-10”

Modification Overview Production of the 950DA began in 1991 and was discontinued in 2004. The 950DA uses a ¾” 950XL for the bypass assembly.

Check Cover Removal Cover is o-ring sealed. Loosen bolts 1/2”. The spring load is now released from the cover and retained by the check subassembly. ** Verify spring load before removing all the bolts.

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

Check Seat Removal Seats are bolted into the body and o-ring sealed. Remove the bolts and pull the seat straight out of the body. 4”-10” - Inspect plastic guide bushing in center of seat.

Check Disc Replacement Remove retaining nut and disc retainer.

Check Valve Reassembly Notes Reassemble checks in reverse order. Lubricate o-rings.