I assign to Maintenance team to screen the CEJN coupling condition 2 parts.
1. Scrap bad condition : inspect on the Face contact, Bearing, Oring if bad will scrap.
2. Repair condition : Only change Oring will good condition. Then we will use tools for replace Oring.
For preventive the quick coupling. I prefer to use flexible end cap to cover on coupling. Now I’m waiting price from supplier.