2-7. REVERSE OSMOSIS MEMBRANES CLEANING (CONT)
Remove two nuts, two bolts, two grooved pipe coupling halves, and gasket from adapter.
Place gasket over connection C-6, being sure it doesn't overhang end of connection.
Aline end of high pressure hose with connection C-6. Slide gasket to center position between C-6 groove and
hose groove. No portion of gasket should overhang grooves.
Place grooved pipe coupling halves over gasket. Make sure grooved pipe coupling half keys are in grooves on
connection C-6 and hose.
Install two bolts. Place two nuts on bolts and hand-tighten.
Overtightening nuts may cause gasket to pinch. Tighten nuts only until coupling halves are firmly
Tighten nuts alternately and equally until grooved pipe coupling halves are firmly together.