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Heater control valve Screw adjustment... 200 1991

uid 27's pic
posted by  Art Benstein on  Tue Aug 4 05:21 CST 2020
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last visit: Fri Oct 17 20:10 CST 2014
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Hi Matt,

Without any experience whatsoever with the MTC replica part all I can tell you about that adjustment on the original Ranco valve is the screw operates a small cam which is driven by the expanding wax motor in response to heat sensed in the capillary tube you installed into the airflow. The screw positions the cam so you can adjust lower the amount of coolant flow (think heat for humans - coolant for engines) in response to the air temperature sensed by the cap tube coil.

The cam's lobe helps the feedback to close the valve, not open it. You could check to see it isn't set to minimum, but I would just clamp the hose shut to prove to yourself the valve is actually opening and allowing coolant to flow.


--
Art Benstein near Baltimore

It seems like a lot of suppliers are only interested in plugging the hole with a part, rather than making sure the part is of high quality. -Benski






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New 1 Heater control valve Screw adjustment... [200][1991]
posted by  TheBrickTank  on Mon Aug 3 13:06 CST 2020 >


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