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Installation of adjustable O-Ring Bosses (ORB) connectors
Adjustable port connectors are commonly found on
shaped connectors, which allow for orientation of the
connection. Adjustable port connectors utilize a locknut
and back-up washer.
NOTICE: Teflon coated O-rings do not require lubrication.
For connections which are made into aluminum manifolds
or with stainless steel connectors, it may be required to
apply a lubricant to prevent galling.
1. Remove protective connector caps only immediately
prior to assembly.
2. Inspect the components to ensure that the male and
female port threads and sealing surfaces are free of
burrs, nicks, and scratches, or any foreign material.
Do not use if impurities are found.
3. Make sure the washer (2) is on the fitting before the
O-ring (1).
4. Back off the lock nut as far as possible. Make sure that
the back-up washer is not loose and it is as far up on
the connector as possible.
5. Screw the connector into the port until the back-up
washer (2) or the retaining ring contacts the face of
the port (3). Light wrenching may be necessary.
6. Unscrew the connector until you achieve the correct
angle of the connector. Do not unscrew the connector
more than one full turn.
NOTICE: Do not over tighten the connector you may
damage the washer and increase the possibility of a
leak to occur.
7. Using two wrenches, hold the position of the connector
and tighten the locknut to the proper torque value. See
the torque tables for the proper torque value.
NOTICE: Make sure that the O-ring is not pinched and
that the washer is seated flat on the face of the port.
Do not over tighten and distort the back-up washer.
INTRODUCTION
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