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I cant figure out how to copy and paste, this is my new Apple computer and it does not work the same as my old computer, I cant drag pics in either, oh well I have hoe work to do.
Ok, first problem, without the o-ring the outlet fitting tightened up to an unusable position, so I removed the fitting, reinstalled the o-ring-I figured it should seal this time with all the rtv and tightened it up its a tad higher than the first time (I hope thats OK).
Second problem, I could not remove the filter by hand and its too big for any filter wrench I have ,I didnt want to ruin it by putting a screwdriver in it (I do have a spare though). So I am leaving that for now, will seal it with rtv around the edges in the morning.
I cleaned the tank outlet with carb cleaner sprayed onto a brush (I didn't want to get the carb cleaner in the tank)
I did that, thanks Ron
Just so this is clear I am using a:
25 GPM SUCTION LINE FILTER
New ZINGA. Spin-on type element. Ports 1 1/4″ NPT.
SPECIFICATIONS
Suction Line Applications 25 Micron
25 GPM
5 PSI bypass
950 sq in filter area
5 1/3″ dia x 9 1/3″ long25gpm for a 7 gpm pump sounds fine to me
I finally got time to work on this today, I am putting two constant torque hose clamps on all hoses, the second one pinches on top on the ridge at the end of the nipples. Every place a leak may occur is getting a coat of rtv, its sloppy, I'll clean it up with a razor blade later. I have finally had five days of sun and its dry enough to drive the tractor on the dirt tomorrow so I am doing this on new years eve, Happy New Year!
I reused the O-ring on the tank outlet fitting(originally), I didnt like how it looked, I have removed it and cleaned it good with carb cleaner and am sealing it with rtv.
I am going to remove the filter and re-oil it and retighten it.
I think I am catching every place I might get air intrusion.
I used Loctite 545 on all the pipe fittings, I am not breaking them loose at this point.
If I still have a problem tomorrow I will get a fitting and remove and bypass the filter
Note- the flow is right on the filter
If I am missing something, let me know, any ideas are welcome.
Ron, thanks for your comments
I like the saran wrap idea, will try it this weekend
Its a factory thumb, has a spool valve in the middle of the block, I will have to take pictures this weekend
I chose the thumb boom swap as I could reroute the thumb hoses to the boom. To test it I needed the dipper and bucket working so I could grab a bucket of dirt to test it. The boom hoses are not long enough to reroute to another cylinder. I do not have adapters to fashion an extension of the boom hoses. I am afraid to tinker the the hose fittings on the control valve block as I have read of them leaking after being disturbed.
I will compare my tank to your drawing this weekend.
I have checked with Len he most be real busy, no response.
“Also, try to positively rule out any suction side air leaks”
Recall I just replaced the factory suction hose with 1 1/4″ hose and also put in an inline filter, I could have goofed up something there, I did my best to make sure my connections were tight,
How does one diagnose suction side air leaks?
I just thought of one more test, remove the retract hose and open the extend valve and see if it bypasses oil.
My pressure is a constant 2,200 psi and I switched control valves from the thumb to boom to rule out a control valve issue, so the bypass oil test is the only thing left to test, I think, let me know, thanks all for the input.
