Mooney FlowMax HP Regulator Instruction Manual | 15
Copyright 2021 Baker Hughes Company. All rights reserved.
3.0 Diaphragm and Seal Pack
Inspection and Replacement
Note: The procedure assumes that the Lower Actuator
Housing will remain on the Adapter throughout the
process. Disassembly and Inspection can also be
performed with the Actuator assembly removed as
described in Section 1.0. Care should be taken to protect
the Stem and Plug if removed from the Adapter housing to
prevent bending and any other damage.
3.1 Disconnect the Sense and Loading tubing to the
Actuator. The Series 22 Pilot block can remain attached
to the Adapter housing and does not need to be removed
for this procedure.
3.2 Remove all the Cap Screws holding the Upper Actuator
Housing to the Lower Actuator Housing.
3.3 Disconnect Travel Indicator shaft from Stem by pressing
down on shaft and rotating in a counter-clockwise direction.
Travel Indicator Stem should be free to move up and down.
3.4 Using proper lifting points, lift the Upper Actuator Housing
off the unit.
3.5 Remove the Spring and Travel Indicator shoe. The Travel
Indicator shoe is threaded onto the Stem.
3.6 Remove the upper Cotter Pin.
3.7 While using the wrench flats on the top of the Stem to
hold it in place, unscrew the upper Castle Nut from the
Stem.
3.8 Remove the Upper Diaphragm Support plate.
Note: The Upper Diaphragm Support plate has
an internal O-ring that should be inspected and
replaced if necessary.
