4
IOM-A-Deringer 40G/40GX/50G/50GX_6-8
2005
EDP#2916009
© 2020 Watts
Removing Access Port Cover Plate
B
C
Removing the First Dual-action
TM
Check Module
FLOW
C
A
A
Removing the Second Dual-action Check Module
A
1. Using a
15
/
16
" socket wrench loosen all eight
bolts on the access port cover plate (A).
2 Remove bolts and tapered washers and
store in a safe place. If lost, tapered bolts
must be replaced with like Deringer cover
bolts and cannot be substituted with
standard bolts.
3. Remove access port cover plate (B). Do
not remove access port O-ring (C).
1. Use a
15
/
16
" socket wrench to loosen the check retainer
bolts on both sides of the valve body (A). Do not com-
pletely remove check retainer bolts from valve body.
Loosen the bolts until the ends of the bolts are flush
with the inner wall of the valve body (B). Allow easy
removal of check modules
2 Insert a flathead screwdriver between the inner valve
body and the first check module flange (C), gently push
the first check module in the downstream direction until
the first check module can easily be removed from the
access port by hand.
A
A
1. Use a 1
1
/
8
" socket wrench to loosen the check
retainer bolts on each side of the valve body (A). Do
not completely remove check retainer bolts from valve
body. Loosen the bolts until the ends of the bolts are
flush with the inner wall of the valve body (B).
2. Insert a flathead screwdriver between the inner valve
body and the second check module flange (C), gently
push the second check module in the upstream
direction until the second check module can easily
be removed from the access port by hand.
FLOW
C
B
B
