5
IOM-1049
TABLE 1
Soft Goods Kit Part Numbers
Line Size
Spring Range
Soft Good Kit Numbers
O-RING MATERIAL
Buna-N
EPDM
Viton
2” x 3”
4” - 1.5 psig
31452033
31452055
31452044
1.5 - 3 psig
31452933
31452955
31452944
3.2 -14 psig
31452133
31452155
31452144
3” x 4”
4” - 1.5 psig
31453033
31453055
31453044
1.5 - 3 psig
31453933
31453955
31453944
3.2 -14 psig
31453133
31453155
31453144
4” x 6”
4” - 1.5 psig
31454033
31454055
31454044
1.5 - 3 psig
31454933
31454955
31454944
3.2 -14 psig
31454133
31454155
31454144
6” x 8”
4” - 1.5 psig
31456033
31456055
31456044
1.5 - 3 psig
31456933
31456955
31456944
3.2 -14 psig
31456133
31456155
31456144
8” x 10”
4” - 1.5 psig
31458033
31458055
31458044
1.5 - 3 psig
31458933
31458955
31458944
3.2 -14 psig
31458133
31458155
31458144
10” x 12”
4” - 1.5 psig
31451033
31451055
31451044
1.5 - 3 psig
31451933
31451955
31451944
3.2 -14 psig
31451133
31451155
31451144
12” x 16”
4” - 1.5 psig
31459033
31459055
31459044
1.5 - 3 psig
31459933
31459955
31459944
3.2 -14 psig
31459133
31459155
31459144
Soft goods kits, consisting of all the non-metallic components (o-rings, sense diaphragm, gaskets, etc) are available.
The drawings indicate which components are included in the kit. For other replacement parts, specify by item
number and description plus material, if the part number is not known.
Always provide the model number, size if applicable, and the serial number when ordering kits/replacement parts.
lower diaphragm case. Instal items 121 washers, 120
bolts, 110 lockwashers, and 109 nuts and tighten.
Remove item 131 nipple from item 101 pilot body.
Loosen item 114 jam nut. With needle nose pliers
remove item 119 c-ring and unthread item 117 blowdown
needle. Remove item 118 TFE o-ring. Place new
item 118 TFE o-ring on item 117 blowdown needle.
Reinstall in reverse order.
Thread the item 117 blowdown needle completely in,
then back out 3 full turns, and lock the item 114 jam
nut.
To replace soft goods of the main valve actuator:
Remove the items 208 washers, 205 bolts, 206
lockwashers, and 207 nuts. Lift pilot assembly off and
set to the side. Replace item 203 actuator diaphragm.
Reassemble in reverse order.
To replace soft goods of the main valve:
Remove the item 311 bolts and 310 lockwashers
holding the item 202 cover/lower case weldment to
the main body. Carefully remove the item 202 lower
case weldment and item 307 cover gasket. Remove
item 303 seat plate assembly and item 305 o-ring seat.
Remove items 308 bolts and 309 lockwashers holding
item 304 nozzle to item 301 body. Remove item 304
nozzle. Replace item 306 nozzle gasket. Reinstall
item 305 o-ring seat into item 304 nozzle. Be sure the
o-ring is completely in the nozzle, and that the exposed
surface is
fl
at. Bolt item 304 nozzle back into item 301
body with items 308 bolts and 309 lockwashers and
tighten. Install item 303 seat plate assembly. Install
new item 307 cover gasket and reinstall item 202
cover/lower case weldment with the item 310 bolts and
item 311 lockwashers.
