8 | Baker Hughes
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Regulator Assembly - Series 21H & 21HS (cont’d)
2. Place Diaphragm Assembly in the regulator body with the
diaphragm touching the grooved sealing surface of the
regulator body and the O-Ring facing up. (Refer to Figure
18 & Figure 19).
O-Ring
Figure 19
Placing high pressure Diaphragm Assembly
on Regulator Body.
3. Place Spring Housing on Regulator Body with vent
connection in desired position.
4. Install Spring Housing Cap Screws. Use Cap Screws
supplied and tighten evenly to 8 ft-lbs torque.
5. Install Spring and Spring Follower. NOTE: The Mooney
Series 21H & 21HS use only the Black and Green Springs.
6. Follow assembly directions for Series 21 & 21S
Regulator for steps 6B through 10.