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XS Scuba Valves Service Manual
WARNING: If you are working on a valve that
is located in a cylinder, you must insure that the
cylinder is completely empty before the next step:
loosening the bonnet nut.
WARNING: Removing a bonnet nut(10) while
the valve is pressurized will result in a rapid and
violent release of air. This can lead to serious injury.
6. Remove Bonnet Assembly
A. Using a 11/16” wrench, remove the bonnet nut(10),
by turning it CCW. Remove the bonnet nut(10) /
stem(7) assembly from the valve body. Separate
the pieces and locate the bonnet nut(10), bonnet
o-ring(17), stem washer(9), stem o-ring(8) and stem(7).
7. Remove Seat Assembly(5)
A. Using the stem(7) as a removal tool or a pair of
needle nose pliers, remove the seat assembly(5) by
rotating it CCW.
8. Remove Safety Plug(1)
A. Using a 3/8” socket, remove the safety plug
assembly(1) by turning it CCW.
