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#1
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Need to Find replacemetn MICROSWITCH for ACC on 72 450
I am into repair of all the vacuum and heater controls and found that the source of one of my issues is that the microswitch that sits under the heater arm ( 1st version ACC) are both messed up and are not sending the open close signal to the dashpots. Where in the world can I find these, no part number, and only referred to as microswitch in the repair manual.
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#2
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Are you sure they are bad? Have you checked them out of circuit for short/open action.
Maybe the grease inside has gotten hard after 30+ years. I would try get a little WD40 inside and push the pin a few times to try to free it up if you do not get the short/open action. These are definitly not your standard microswitch so they will be hard to find. Have you called Phil to see if he can locate them? I had to fix a Jag AC controler microswitch problem before but I was able to find after market ones that had the same size and action (normally open). If you can figure out the action you could make a mounting plate to fit a new switch to make it work. |
#3
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I got one to work the other will not work. I have found a similar switch at radio shack and I am attempting to make a braket that will work. Thanks for the response!
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#4
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I purchased two small switches from Radio shack and made some aluminum brackets. Put them in place of the other ones, reconnected all the lines and I now have a fully functional heater valve that I can open and close from the cockpit, jsut as designed
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#5
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Only one needs to work, if you know which one it is, just move that temp lever to get heat.
230/8 |
#6
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yup, figured that out when I got them both in
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
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