007 2½”-3”. Modification Overview. Production of the 007 began in 1989 and is current. A lead free (LF) version was introduced in 2010. The leaded bronze parts were replaced with plastic or stainless steel. Single Access Cover Removal. Cover is o-ring sealed. Cover has no spring load.
* Check spring is contained.
* Hold the cage in one hand, push the seat inward and rotate counter-clockwise.