User's Manual

12 307517
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
7241B
OR
OR
111
103
104
114
102
113
101
106
108
105
107
115
6
9
11
7
*19
*3
15
16
18
8*
13
8*
1
20
21
17
2
14
4
Ref. No. 6, 9, 11
Regulator 903958 only
Ref. No. 22 Conversion Kit 915587
Regulator 961635 only
1
3
2
1
3
2
Torque to 35–40 ft-lb (47–54 NSm)
Use Loctite
R
TL–242 on threads
Use Loctite
R
601 on threads.
Torque to 15–25 ft-lb (20–34 NSm)
*5
4
Lips must face retaining ring (3)
4
Torque to 170–190 in–lb (19–21 NSm)
in alternating pattern.
5
5