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Upgrading procedures 135
6. Connect the right-side ball valve hose to the left-side MCS return hose. Connect the left-side ball
valve hose to the right-side MCS return hose. The hoses create a criss-cross pattern.
7. Cut the hose attached to the old coupler the same length of the replacement hose, and insert the
hose barb from the HEX unit into the hose.
8. Remove the old coupler from the MCS unit.
9. Transfer the hose insulation from the old hose assembly to the new ball valve hose assembly,
attached to the HEX unit.
10. Push the insulation back on the cut hose, and install a hose clamp.