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007 (M1,M2,M3) ½”-2”. Modification Overview- 007. 007 ¾-1” (1989-1991) 1½ -2” (1989-1993) ½” (1993-Current) 007M1 ¾-1” (1991-1993) 1” (1991-Current) 1¼ -1½ (1993-1994) 2” (1993-Current) 007M2 ¾” (1993-1998) 1¼ -1½ (1994-Current) 007M3

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modification overview 007
Modification Overview- 007
  • 007

¾-1” (1989-1991)

1½ -2” (1989-1993)

½” (1993-Current)

  • 007M1

¾-1” (1991-1993)

1” (1991-Current)

1¼ -1½ (1993-1994)

2” (1993-Current)

  • 007M2

¾” (1993-1998)

1¼ -1½ (1994-Current)

  • 007M3

¾” (1998-Current)

QT= Ball Valve LF= Lead free (2010) PC= Polymer Coated

SS= Stainless Steel U= Union End

single access cover removal
Single Access Cover Removal
  • Cover is o-ring sealed.
  • Remove bolts.
  • Lift cover straight off.
check valve removal
Check Valve Removal
  • Check valve modules.
  • Modules sealed by o-ring and secured by a retainer.
  • Slide retainer straight out of body.
  • Modules can now be removed by hand or with a screwdriver flat.
check seat removal
Check Seat Removal

* Check seats are attached to the cage with a bayonet type locking system.

* Module is spring loaded- Hold firmly.

* Hold the cage in one hand, push the seat inward and rotate clockwise.

* ¾” M2 modules snap apart.

check disc replacement
Check Disc Replacement
  • Check disc and disc holder can be replaced as one piece.
check valve reassembly notes
Check Valve Reassembly Notes
  • Reassemble in reverse order.
  • Apply lubricant to o-rings.
  • If check retainer does not slide into place easily, make sure checks are seated properly.