Replacing The Hex Coupler - HP 403349-003 Maintenance And Service Manual

Modular cooling system
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Replacing the HEX coupler

Install one O-ring on to each HEX unit pipe.
1.
Install each ball valve assembly to the HEX unit tubing, positioning the handles down.
2.
Loosely attach the HEX unit pipe nut to the ball valve assembly, barely connecting the threads.
3.
Upgrading procedures 128

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