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Unscrew the hexagon retaining nut then screw the spindle out of
the body.
The ‘O’ ring can now be lubricated.
Replace the spindle followed by the retaining nut. Slide the
backlash spring over the spindle and replace the knob. Note that
the grub screw that holds the knob in place tightens into a groove
near the end of the spindle.
20
Gas Regulator (Internal Parts)
Regulator
Body
Back-Lash
Spring
Regulator
Spindle
White PTFE
Washer
Knurled
Knob
‘O’ ring to be
lubricated
Hexagon
Retaining
Nut