Forum

Notifications
Clear all

This Forum is a place for Piper Comanche pilots to communicate and discuss technical issues

If you join or reset a password, please check your Spam Email box for emails from Admin at ComancheTechTalk.com

Please put your questions on the forum as well so everyone can read and respond. Someone else might be having similar questions.

All questions or topics on the Forums automatically get sent to the Tech team as well.

PA-30 Fuel selector issue

5 Posts
5 Users
0 Reactions
829 Views
 Kate
Admin
Joined: 5 years ago
Posts: 138
Topic starter  

 

  • #107181 Trash | Reply
    Tim Puliz

    Participant

    I’ve determined that fuel from my right aux fuel tank is slowly draining into my right main fuel tank. After tracking fuel burn on both engines and measuring the main and aux tank on both sides, after 3 hours of flying with one hour with the aux tanks selected, the right side main always has more fuel that the left side main and the right side aux always has less fuel than the right side aux tank.

    I suspect that either the selector adjustment arms are out of adjustment or possibly the “O” Rings may not be sealing correctly. Does anyone have experience with this delima?

    Tim Puliz

  • #107182 Trash | Reply
    Tim Puliz

    Participant

    I’m available by phone for discussion.
    Tim

     

  • #107185 Trash | Reply
    William Hughes

    Participant

    Tim:

    The fuel selectors in twins are … notorious is probably too light a word. Almost certainly those should be inspected and serviced.

    William

  •  

  • #107188 Trash | Reply
    Tim Puliz

    Participant

    Thanks for the response William. I have an A&P with his own Twinkie coming over next week to inspect and determine the coarse of action. He also mentioned to me that fuel selector issues are common in PA-30’s.
    Tim

  •  

 


   
Quote
Joined: 4 years ago
Posts: 3
 

Webco can rebuild them

Jim


   
ReplyQuote
Joined: 4 years ago
Posts: 1
 
  1. Removing and reinstalling the fuel selector switches is a challenge.  The person that designed the interconnecting tubes was a genius and the guy at the factory whose job was to bend them was talented. Removed mine once and don't wish to do it again. Luckily I took pictures before taking apart. Empting all the fuel from the tanks was a pain also. Good luck.

   
ReplyQuote
adigati
Joined: 4 years ago
Posts: 2
 
Posted by: @mulefly

Webco can rebuild them

Jim

And they do a fine job! Thank you Phillip!

My left one was opposite (set on main, fed off aux) the selector mechanism was not the problem. The tech from Webco called me and said someone was inside and somehow modified/fixed/mistimed the cam. Lucky me. Both now pretty and overhauled.

BTW for perspective......New airplane to me, first flight with instructor, 1.6 hrs of pattern and airwork, general check out stuff. Do the math feeding of the left aux. Previous owner had no clue.

Again, lucky me (in more ways than being sarcastic)

AD

 


   
ReplyQuote
William Hughes
Joined: 5 years ago
Posts: 49
 

Anthony:

Congratulations and I am glad to hear you are flying with confidence.

William

CLEARED DIRECT


   
ReplyQuote
Share: