User's Manual

13307517
Parts
Model 903958, Series B
Spring-Operated Regulator
Includes items 1–21
Model 961635, Series C
Air-Operated Regulator
Includes items 1–5, 7, 8, 13–22
Ref
No. Part No. Description Qty.
1 607718 WASHER, seal 1
2 503143 SCREW, socket head;
5/16–18 x 2.75 in. 2
3* 102386 RING, retaining 1
4 102726 PLUG, pipe, 3/4 in. npt 1
5* 503140 SEAL, mastic reg., urethane 1
6 607501 SCREW, adjusting;
Model 903958 only 1
7 607500 CYLINDER, valve 1
8* 162841 PACKING, o-ring; buna-N 2
9† 503141 SPRING, high range;
Model 903958 only 1
11 607493 GUIDE, spring;
Model 903958 only 1
13 607502 HOUSING, regulator 1
14 607499 CAP, end 1
15 220899 PISTON, regulator 1
16 607497 BAR, support top 1
17 607498 BAR, support bottom 1
18 607496 SPACER 2
19* 607495 WASHER 1
20 904030 SEAT, regulator;
0.312 in. (8 mm) dia. 1
21 904029 BALL, seat 1
22 915587 HOUSING, diaphragm;
Model 961635 only
(See separate parts list) 1
Diaphragm Housing / Conversion Kit 915587
Includes items 101–115
Ref
No. Part No. Description Qty.
101 15U747 HOUSING, diaphragm 1
102 180978 WASHER, support 1
103 15U746 COVER, diaphragm 1
104 180979 DIAPHRAGM 1
105 108190 GAUGE, air pressure; 0–100 psi
(0–0.7 MPa, 0–7 bar) range 1
106 100403 PLUG, pipe; 1/8–27 npt(f) 1
107 110341 REGULATOR, air, relieving;
see manual 308167 1
108 103656 NIPPLE, pipe, hex; 1/8–27 npt 1
111 120730 CAPSCREW, hex washer hd;
1/4–20 x 1.5 12
113 180975 ROD, piston 1
114 103263 SCREW, mach; 1/4–20 x 3/4 in. 1
115 151519 NIPPLE, 1/4 x 1/8 npt 1
* Included in Repair Kit 918448.
† 521079 Low Range Spring is available. See page 33.