Here are some pics of my progress on the 130 TC unit.
All new O-rings installed. New gaskets, boots etc.
Only thing itching me is the fact that the Thermal Relief Valves did not have screens. Suppose maybe this model did not require screens.
Doubt anyone was in there before me, but who knows?
Nice and clean, ready to go.
All allen plugs removed. Thermal relief valves out as well.
Parts packages on my reclaimed 'clean' work desk.
About half way finished.
All done. You can see the leftover O-rings on the package. The old O-rings are on the left. Some of the O-rings were wore out for sure.
This new head gasket looks like a goalie mask from a horror movie.
So far so good.