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Install the Nut first then use the bevelled side of the Spacer to push the
Grab Ring onto the tube no more than 1/2". Slip the O-ring over the tube
to hold the Spacer in place. If the Grab Ring is pushed too far, trim back
the tube so about 1/4" of tube extends past the O-ring.
Use 2 grab rings for 1/2" tube
Single grab ring for 1/4" & 3/8" tube
1/2" tube should not bottom out in the fitting
to allow full compression of the O-ring
Hand tighten the nut. DO NOT OVER TIGHTEN!
DO NOT USE A WRENCH! The tube should not
come out if pulled by hand. If it does, tighten the
1/4", 3/8", 1/2" Parker Tube Fitting Assembly
Gently fit the tube into the body and loosely thread on the nut.
Be careful not to cross-thread the nut
grab ring tabs.
Step 4:
Step 3:
Step 1: Dissemble fitting components
O-ring
Step 2:
Body
Spacer
Tubing
1/2" max
Nut
Parker Tube Fitting Assembly Procedure