Honeywell HON 5020 User And Maintenance Manual page 55

HON 5020 gas pressure regulator with HON 640a / HON 642a pilot
Figure Step Description
18 Remove the pistons from the connecting
piece.
19 Remove the diaphragm plate (1) and the
diaphragm (2).
20 Unscrew the screw-in fitting for the motor-
ization line.
21 Screw the assembly aid (1) into the nozzle
(2).
22 Hold the connecting piece in place (1) and
pull the nozzle (2) out.
Maintenance
55