2-121. GROOVED PIPE COUPLING REPLACEMENT (CONT)
Remove coupling halves and gasket.
Apply thin coat of silicone lubricant to gasket lips and outside of gasket.
Place gasket over end of connection, being sure it doesn't overhang end of connection.
Aline ends of two connections. Slide gasket to center position between grooves. No portion of gasket should
Place coupling halves over gasket, making sure keys are in grooves.
Install two bolts. Place nuts on bolts and hand-tighten.
Overtightening nuts may cause gasket to pinch. Tighten nuts only until
coupling halves are firmly together (metal-to-metal).
Tighten nuts alternately and equally until coupling halves are firmly together.
2-122. PRIMING KIT REPLACEMENT/REPAIR
This task covers:
Reverse Osmosis Block Assembly
General Mechanic's Automotive
Tool Kit, item 10, appendix B