JCB 214e Hydraulic Flow Issue

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Topic author
todostal
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Real name: Todd Dostal
Location: Hatfield, MA
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JCB 214e Hydraulic Flow Issue

Post #1 by todostal » Mon Feb 27, 2017 10:34 pm

Good day all,

I have a 2002 JCB 214e and upon dropping newly rebuilt engine back in, found that it wouldn't start with the main hydraulic pump connected. Back in October, I threw a rod through the block and the unit had issues starting back then as well and the problem was getting progressively worse leading up to the rod failure but we didn't think it had anything to do with hydraulics back then since the machine did start albeit rough and all of the controls work just fine.

With the main hydraulic pump shaft disconnected from the engine, the engine turns over with ease and starts incredibly quickly and runs very smooth. With the pump connected, it turns over very hard, will not start at all and the battery drains very quickly. We found that if we disconnect the hose coming from the top of the oil cooler into the main suction line, the engine will start but once we reconnect the hose it stalls again.

Taking the cover off of the hydraulic tank, we could not see any oil flowing in or out of the tank. When we cracked the fitting on pressure side of the main hydraulic pump and turn the engine over, oil sprays out like crazy so we know the pump isn't bad.

Seems like there is a relief valve that is stuck somewhere...has anyone dealt with anything like this before? We were able to lower and raise the landing gear for the unit by starting with suction line cooler hose off and grabbing the landing gear control and putting the cooler hose back on. Doesn't seem to be a lot of oil flow through the oil cooler either and the oil that does flow seems to be absolutely loaded with air bubbles.

Any help is greatly appreciated here!
2012 John Deere 2520
2008 John Deere 620i XUV
2008 John Deere Z445
2002 JCB 214e
1972 Massey Ferguson 175


essexpete
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Re: JCB 214e Hydraulic Flow Issue

Post #2 by essexpete » Tue Feb 28, 2017 12:44 am

No hydraulic expert but it sound like you have a service open on a spool that then is dead ending. Have you got a third service on the front loader or hammer pipes/extra dig on the hoe?


Topic author
todostal
Posts: 10
Joined: Mon Feb 27, 2017 12:19 am
Real name: Todd Dostal
Location: Hatfield, MA
Flag: United States of America

Re: JCB 214e Hydraulic Flow Issue

Post #3 by todostal » Tue Feb 28, 2017 2:34 am

Nothing on the front end, have the remote ports on the rear but nothing extra connected to that either...just front bucket and normal hoe.
2012 John Deere 2520
2008 John Deere 620i XUV
2008 John Deere Z445
2002 JCB 214e
1972 Massey Ferguson 175


essexpete
Posts: 2681
Joined: Fri Jul 13, 2007 12:43 am
Real name: essexpete
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Re: JCB 214e Hydraulic Flow Issue

Post #4 by essexpete » Tue Feb 28, 2017 9:05 am

todostal wrote:Nothing on the front end, have the remote ports on the rear but nothing extra connected to that either...just front bucket and normal hoe.

So have you got pedals for the rear external service? Just wondered if one has been accidentally pushed down? Other than that did you only take off the pipes on the main pump/s?


Topic author
todostal
Posts: 10
Joined: Mon Feb 27, 2017 12:19 am
Real name: Todd Dostal
Location: Hatfield, MA
Flag: United States of America

Re: JCB 214e Hydraulic Flow Issue

Post #5 by todostal » Tue Feb 28, 2017 1:31 pm

Have pedal for hoe extension but that is in neutral position, we have not removed any other hoses yet just main pump as I stated before.
2012 John Deere 2520
2008 John Deere 620i XUV
2008 John Deere Z445
2002 JCB 214e
1972 Massey Ferguson 175


Topic author
todostal
Posts: 10
Joined: Mon Feb 27, 2017 12:19 am
Real name: Todd Dostal
Location: Hatfield, MA
Flag: United States of America

Re: JCB 214e Hydraulic Flow Issue

Post #6 by todostal » Sat Mar 04, 2017 4:03 am

I was wrong, my boom extension pedal was depressed to pull the boom in hence the dead ending. Problem seems to have gone away but the engine still seems to have heavy load when any of the hydraulic functions are demanded. At least she starts with no issues now!
2012 John Deere 2520
2008 John Deere 620i XUV
2008 John Deere Z445
2002 JCB 214e
1972 Massey Ferguson 175


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