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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #41  
Old 07-11-2018
badandy badandy is offline
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Quote:
Originally Posted by Randy Dupree View Post
I would put a clear hose between the racor and the tank,that will show you if the short supply line is sucking air,,or just go ahead and replace the short supply line,you will have to follow the line to see where the bulkhad fitting is,removing the batteries my be required.
BUT<LOOK BEFORE YOU REMOVE THE BATTERIES.
Not sure if my junk is right, but I don't have a bulkhead fitting on the frame. The copper line went right into the Racor and there was nothing flexible in there at all. But I agree, put the clear line on between the racor and tank and see if there are bubbles.

I found a couple of old photos that might help. Or not. I also found an old video I took down in the hole in the floor. Basically it shows the fuel lines and returns and vents and what it looks like to open up the wrong hole. The fuel line to the engine is strapped in and tied to everything else inside the frame rail, it's not useful to post it.

In these photos you can see the spray painted black lines pointing to the hole you want to use. I opened up one of the other ones not knowing it was the wrong one.

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  #42  
Old 07-11-2018
Eagle1 Eagle1 is offline
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Badandy , this information is a great resource .

Thank you for the info.
Back to work on the bus tomorrow and I will know more

Marty
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Novi, Michigan
1984 PT 35 Gone Fishing
1987 PT 40 Wayward Wind
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  #43  
Old 07-11-2018
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Randy Dupree Randy Dupree is online now
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Martin,which coach are we working on?
1987?


Andy,your right,i remember now my 84 had copper to the racor.
I think Martin has a flex hose on the 87.
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2000 LXI 43
Bainbridge,Ga.
Archer Fl.
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  #44  
Old 07-11-2018
Eagle1 Eagle1 is offline
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I am working on the 1984 PT 36.

The copper line is close to the frame rail and hooks up to the Racore towards the rear of the motor.

Marty
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1984 PT 35 Gone Fishing
1987 PT 40 Wayward Wind
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  #45  
Old 07-11-2018
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Quote:
Originally Posted by Eagle1 View Post
I am working on the 1984 PT 36.

The copper line is close to the frame rail and hooks up to the Racore towards the rear of the motor.

Marty

OK,As andy says,not as i say!
But,the copper could be cracked where it screws into the racor.
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2000 LXI 43
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  #46  
Old 07-11-2018
Eagle1 Eagle1 is offline
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The copper flare seams to be a poor flair and is rough very possible that it has a crack in it

I will take another look for the bulkhead
And then cut that end off and flare

If that doesn’t do the trick and I’m afraid I would have to go into the floor.
After seeing the pictures that were posted I’m ready.

Marty
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1984 PT 35 Gone Fishing
1987 PT 40 Wayward Wind
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  #47  
Old 07-11-2018
wasper67 wasper67 is offline
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Quote:
Originally Posted by Eagle1 View Post
Brian, what racor are you using?

Will the heater work with a new racor?

Marty
Marty
Mine is the Racor 900 series it was way easy to change to the newer bottom bowl maybe took 10 minutes. I used the shop vac trick to stop the trickle of fuel from flowing while I changed it out.
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  #48  
Old 07-11-2018
Eagle1 Eagle1 is offline
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Brian,
You have convinced me to stick with the heater for the fuel.

Thank you
Marty
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1984 PT 35 Gone Fishing
1987 PT 40 Wayward Wind
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  #49  
Old 4 Weeks Ago
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I bypassed the racor filter and the problem seemed to be corrected. I drove the bus without the primary Racor filter for 5 days in the last month.

The issue has just returned.

What i know is:
The fuel Tank was just below half.

Changed the spin on filter - no change

Next morning i tighten the spin on filter with a wrence - issue was 90% improved with the half tank of fuel.

No Back flow on the system


Question: Can i Temporarily drive the bus without the primary (racor) without causing more issues?

Marty
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1987 PT 40 Wayward Wind
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  #50  
Old 4 Weeks Ago
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Any bubbles in the clear line?


I would cut that copper line off and change the fitting on the end and put a clear line for testing between the racor and the tank,rebuild the racor,its easy peasy.
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