Dover WILDEN PSG Equalizer ISD1520, Engineering, Operation & Maintenance, Page: 20 / 24

WIL-19013-E-02 20
Model Description
ISD220
/SSS/TF/…
ISD420
/SSS/TF/…
ISD820
/SSS/TF/…
ISD1520/1530
/SSS/TF/…
Item Description Qty P/N P/N P/N P/N
Air Distribution Components
1 Breather Vent, 1/8" NPT 1 73-3241-03
Breather Vent, 1/4" NPT 1 79-3241-03
2 O-Ring, Control Valve (-114, Ø.612" x Ø.103") 3 00-2870-52
O-Ring, Control Valve (-210, Ø.734" x Ø.139") 3 02-3200-52
3 Air Chamber Assembly 1 73-3645-99 74-3645-99 79-3645-99
4 Screw, Set (1/4"-20 X 1/4") 1 73-6343-03
Screw, Set (3/8"-16 X 1/4") 1 79-6343-03
5 Shaft, Dampener 1 73-3855-03 74-3855-03 79-3855-03
6 Ring,Retainer 3" 2 79-2651-03
7 Plate, Control Valve 1 79-8640-03
8 Diaphragm, Back-Up 1 73-1069-52 74-1069-52 79-1069-52
9 Diaphragm. Primary 1 73-1045-55 74-1045-55 79-1045-55
10 Nut, Lock (3/8"-16) 10 99-6471-03
Hex Nut (7/16"-14) 12 74-6427-03
Hex Nut (7/16"-14) 24 74-6427-03
11 Washer, Flat (Ø.812 X Ø.406 X .065) 20 04-6740-03
Washer, Flat (Ø.922 X Ø.469 X .080) 24 74-6734-03
Washer, Flat (Ø.922 X Ø.469 X .080) 48 74-6734-03
12 Screw, HHC (3/8"-16 x 1 1/4") 10 73-6190-03
Screw, HHC (7/16"-14 x 1 1/4") 12 74-6123-03
Screw, HHC (7/16"-14 x 1 1/2") 24 79-6123-03
13 Liquid Chamber Assembly (NPT) 1 73-4984-99 74-4984-99 75-4984-99 79-4984-99
Liquid Chamber Assembly (BSPT) 1 73-4984-99-14 74-4984-99-14 75-4984-99-14 79-4984-99-14
Liquid Chamber Assembly (ANSI) 1 79-4986-99
Liquid Chamber Assembly (DIN) 1 79-4986-99-504
LW0500 Rev. H
All boldface items are primary wear parts.
EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST