Set screw (allen
wrench required)
Tighten set screw down against this
flat area when replacing the knob.
Housing
Control Shaft
Lubricate end of shaft
before reinserting into
gland
Diagram C
O-rings
Knob
Control
Gland
Housing
Lubricate shaft
Pull out knob to
expose shaft
Diagram D
Diagram E
Loosen set screw
(allen wrench required)
Tighten set screw down
against this flat area
when replacing the knob.
Housing
Control
Gland
Control
Shaft
Lubricate end of shaft
before reinserting into
gland
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