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#30767 - 03/11/21 01:23 PM Re: Tac 20 problem [Re: Jluff]  
Joined: Aug 2016
Posts: 755
Jluff Offline
old hand
Jluff  Offline
old hand

Joined: Aug 2016
Posts: 755
So I exhausted all testing. I have 135v to coils. Up slow and up fast. They get energized but the pressure never builds past 180 psi. I need 240 psi for normal working pressure. No matter how I adjust the valve body pressure never builds. . It did come out of the pit however this morning but will not move on high speed or low speed from the level position at bottom floor . I’m going to replace the valve body .

#30768 - 03/11/21 01:45 PM Re: Tac 20 problem [Re: Jluff]  
Joined: Aug 2016
Posts: 755
Jluff Offline
old hand
Jluff  Offline
old hand

Joined: Aug 2016
Posts: 755
The valve body is just by passing with out building pressure. I turned relief in all the way basically. Doesn’t change

#30774 - 03/15/21 03:59 PM Re: Tac 20 problem [Re: Jluff]  
Joined: Nov 2009
Posts: 413
Johnny Offline
Journeyman
Johnny  Offline
Journeyman

Joined: Nov 2009
Posts: 413
Portland. Oregon
I-2 valves should have only 1 of the 2 up solenoids energized. If you energize both, the valve will not adjust.

#30775 - 03/15/21 07:30 PM Re: Tac 20 problem [Re: Jluff]  
Joined: Aug 2016
Posts: 755
Jluff Offline
old hand
Jluff  Offline
old hand

Joined: Aug 2016
Posts: 755
Car working great after replacing valve body. I don’t know what happened to the original .. as far as I knew it was working fine before motor went bad

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