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Replacing the Diaphragm
1) Remove spring tension by loosening the
turning the
Adjusting Screw
compression is relieved.
2) Disconnect vent line if installed.
3) Unscrew two
Cap Screws
Hex Nuts
(25).
4) Remove the
Spring Housing
5) Remove from the Lever Assembly, as a unit, the
(11),
Connector Head Assembly
Cap Screw
(6).
12
13
14
15
16
17
18
19
20
Parts List
Item
Description
Adj. Screw, 27-50 Outlet Pressure
1
Adj. Screw, 46-95 Outlet Pressure
Adj. Screw, 90-500 Outlet Pressure
2
Jam Nut
3
Spring Housing
Upper Spring Guide, up to 275 psi
4
Upper Spring Guide, above 275 psi
Spring, 27-50 Outlet Pressure
Spring,
46-95
Outlet Pressure
Spring, 0
9 -150
Outlet Pressure
5
Spring, 50
1 -200
Outlet Pressure
Spring, 2 - 5 Outlet Pressure
00 27
Spring, 27 -50 Outlet Pressure
5
0
6
Cap Screw
Lower Spring Guide, up to 275 psi
7
Lower Spring Guide, above 275 psi
8
Cap Screw
9
Cap Screw
10
Cap Screw
Diaphragm, Neoprene
11*
Diaphragm, Viton®
Connector Head Assembly, Brass
12
Connector Head Assembly, 316 SS
13
Diaphragm Adapter
14
Lever Assembly
15
Pin
16
Gasket
The
Company, L.L.C.
© The WellMark Company • Litho USA • All registered trademarks are the property of their respective owners. • IOM-2001PR 080604
Jam Nut
(2) and
(1) counter-clockwise until all spring
(9) and four
Cap Screws
(10) with
(3).
Diaphragm
(12),
Lower Spring Guide
(7) and
25
11
10
7
6
5
21
22
23
24
Qty.
Part No.
1
11014
1
11013
1
11097
1
10098
1
40440
1
11001
1
11032
1
11027
1
11028
1
11002
1
11029
1
11030
1
11031
1
11012
1
40445
1
40446
2
10090
2
11011
4
11010
1
11004
1
11033
1
21052
1
21053
1
40443
1
21023
1
11000
1
11008
Oklahoma City, Oklahoma
6) Unscrew the
Cap Screw
disassemble the
Diaphragm
7) Install a new
Diaphragm
centered. Re-assemble
Spring Guide
, securely tightened with the
8) Engage Connector Head in LeverAssembly.
9) Re-install the
Spring Housing
finger-tight only.
Assure proper
compressing the
Spring
turning clockwise). Finally, complete the tightening of all
Screws
and
Nuts
.
3
4
2
1
27
26
9
Item
Description
Cap Screw, 1"
17
Cap Screw, 2"
Inlet Adapter, 1" Steel
18
Inlet Adapter, 2" Steel
Inlet Body Gasket, Copper
19
Inlet Body Gasket, Composition (for NACE)
Orifice, Brass 1/8"
Orifice, Brass 3/16"
Orifice, Brass 1/4"
Orifice, Brass 3/8"
Orifice, Brass 1/2"
20
Orifice, Stainless Steel 1/8"
Orifice, Stainless Steel 3/16"
Orifice, Stainless Steel 1/4"
Orifice, Stainless Steel 3/8"
Orifice, Stainless Steel 1/2"
Valve Disk Assembly, Brass/TFE
21
Valve Disk Assembly, 316SS/TFE
Valve Carrier, Brass
22
Valve Carrier, 316SS
Body, 1" Steel (WCB)
23
Body, 2" Ductile Iron
24
Breather
25
Hex Nut
26
Name Plate
27
Drive Screw
28
Plug, 1/8" NPT (2" only)
Tel: (405) 672-6660
Fax: (405) 672-6661
2001PR
Series
(6) from the
Connector Head
(11).
, making sure that it is properly
Connector Head Assembly
Cap Screw
.
with
Cap Screws
Diaphragm
slack by slightly
with the
Adjusting Screw
8
Qty.
4
4
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
05011-1640
4
05000-1726
1
4
1
06000-0494
wellmarkco.com
(12) and
and
Lower
and
Nuts
(tighten by
Cap
Part No.
11009
11050
40442
40589
11005
11015
21042
21112
21028
21040
21041
21043
21093
21044
21045
21046
21026
21047
31005
31011
40444
40588
21039
10075
3
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