Honeywell HON 5020 Assembly page 28

HON 5020 gas pressure regulator
Figure Step Description
5 Remove the O-ring (1), the noise reduction
element (2), and the support disc (3).
Replace the O-ring with a new, lubricated
O-ring.
Check the noise reduction element and the
support disc for damage and replace them
if necessary.
6
If the diaphragm is damaged: Dismantle
the diaphragm unit.
Replace the diaphragm with a new dia-
phragm.
7 Lightly grease the inside and outside edge
of the new diaphragm.
8 Re-assemble the diaphragm unit.
9 Re-assemble the actuator assembly.
Push the lid down when screwing down
the screws until they are completely
secured. Refer to the additional tightening
torque information at the beginning of this
topic. Tighten the lid's screws in a
criss-cross sequence.
10 Reinstall the pilot together with all the
corresponding connecting pipes.
Maintenance
28