Dive Rite XT2 - Remove Adjustment Tube Assembly; Remove Bushing, Insert, and O-rings

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4) Depress the Lever Arm (21) and pull
on the Adjustment Knob (11) to remove
the remove the adjustment tube
assembly
5) Remove the Bushing (26), Body
Insert (28), and O-rings (18, 25)
*Note the orientation of the Body Insert
before removal