HP 403349-003 Maintenance And Service Manual page 130

Using a T-25 Torx driver, install four screws to secure the faceplate.
6.
NOTE: Do not overtighten the fittings. The gasket needs only a slight compression to seal the
fitting.
Using a small pipe wrench, tighten the fitting that connects the HEX unit copper pipe to the ball
7.
valve.
Upgrading procedures 130