Gallery, Projects and General > Project Logs
Titivating a Warco Mechanical hacksaw!
mattinker:
:thumbup: :thumbup:
mattinker:
I've been a little distracted recently, too much going on! In this video, I fix a problem with the non-return vale sticking!
Something wierd happening with the sound, looks out of sync and slow!!
All the best, Matthew
awemawson:
Good progress Matthew :thumbup:
In the good old days, motor cycle oil pressure relief valves were just a ball bearing pressed by a spring against a cast iron bored hole. The received wisdom (written into maintenance handbooks) was to put a bronze drift against the ball, and give it a firm clout with a hammer, thus deforming the seat to the sphericallity of the ball. Those of us without bronze drifts used a steel rod, then replaced the ball bearing with another identical one, and it seemed to work splendidly. (no lapping allowed as the oil galleries would become contaminated)
mattinker:
Well, I wasn't sure whether it was the seat or the walls of the valve hanging things up, this way I was able to cove both!
More adventures to come!
regards, Matthew
mattinker:
Here is a short video on making a gasket for the Warco hacksaw, more to come on getting the saw going. it's kind od an oldtimers trick!
Regards, Matthew
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