Dropping an implement with engine off

imarobot

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Something I've wondered about but never asked. Is it ok to lower a FEL, 3-Point implement or any other hydraulic coupled implement with the engine not running?
I can see maybe a 3-point implement where I'm guessing the hydraulic fluid just gets returned to the tank, but I may be wrong about that.
But what about the FEL for example, where does that fluid go without the engine running? Is fluid going backwards through the pump, and is this a bad thing if the pump ain't running?
If you have followed some of my posts you will know I don't know much about hydraulic systems, but that's why I ask!
 
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dlsmith

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It's not a problem, the oil is just returned to the tank or reservoir.
 
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North Idaho Wolfman

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Yep like @dlsmith all of the fluid goes to the tank / reservoir / sump / transmission so no problem at all.
 
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Runs With Scissors

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I don’t know the “technical reasons” why you can, nor can I tell you where/how the fluid goes, or if its “bad for the system"

However, I do it all the time.

Mostly/obviously for safety reasons.

My "uneducated reasoning” is that you are just ‘neutralizing” the pressure in the system. But that reasoning is worth exactly what you paid for it ;)
 

chim

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I always remove and install the FEL with the engine shut off. Implements on the 3PH get done with the engine running or stopped if they are not powered by the PTO. Any time the PTO is connected or disconnected the engine is stopped.
 

imarobot

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I normally do it with the engine running before shutting off the engine, but sometimes I forget and leave something that needs to be lowered, usually the 3-point. Good to know I won't be doing any harm by forgetting!
 

D2Cat

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If you have an implement attached to the hydraulic system (like a grapple) you need to do exactly what you described to disconnect the hoses most times, move hydraulic levers in all four directions to relieve pressure.
 
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chim

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Should have mentioned that when removing the FEL the very last thing I do is remove the hoses. This is with the engine off and the the FEL sitting free and cycling the joystick.
 

JonM

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just dont do it with a load on the forks if you have forks if you care about the load or where its landing if it falls
 
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Flintknapper

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With regards to the 3 point, it is always 'gravity' down anyway.....so doesn't matter if the engine/pump are running or not. I always lower implements and FEL with engine off when putting the tractor up.
 
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chim

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just dont do it with a load on the forks if you have forks if you care about the load or where its landing if it falls
Not understanding that because the FEL can be lowered just as slowly whether the engine is running or not. Just this week I had a couple hundred pound piece of table top on my forks and lowered it just fine. I did curl the forks a bit before shutting the engine off because level forks at 4' off the ground would tilt forward when the FEL is lowered. No problem if the heel of the forks lands first. Just give her a little dump if you want the load to be flat on the ground.
 
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6869704x4

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Here's a parlor trick. Loader off the ground a few feet, engine off. Move the loader lever to curl. While holding it in curl move it to lower. Watch the magic.
 
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imarobot

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Here's a parlor trick. Loader off the ground a few feet, engine off. Move the loader lever to curl. While holding it in curl move it to lower. Watch the magic.
Hope I remember to try this
 

GrumpyFarmer

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I’m not sure this needs said or not…I am not the safety police, but I don’t want any of us or our loved ones hurt(so I think no harm to mention)

Only thing I would add is to remember that the loader and 3 pt hold stored energy when they are off the ground.

So be sure of why leaving up and be aware of the implication of stored energy. There are loader cylinder stops you can buy (or make) in case need to be in engine room with loader up.

In the case of a quick attach implement on the front loader…if implement a couple inches off the ground and release the levers, it’s possible the implement could kiss your toes if not careful…same for someone helping if they like to reach in. (Same is true for end of loader arms when release implement…careful where your feet or others are when release levers)

Keep the rubber side down. 👍
 
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jaxs

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I’m not sure this needs said or not…I am not the safety police, but I don’t want any of us or our loved ones hurt(so I think no harm to mention)

Only thing I would add is to remember that the loader and 3 pt hold stored energy when they are off the ground.

So be sure of why leaving up and be aware of the implication of stored energy. There are loader cylinder stops you can buy (or make) in case need to be in engine room with loader up.

In the case of a quick attach implement on the front loader…if implement a couple inches off the ground and release the levers, it’s possible the implement could kiss your toes if not careful…same for someone helping if they like to reach in. (Same is true for end of loader arms when release implement…careful where your feet or others are when release levers)

Keep the rubber side down. 👍
I'm in 100% agreement with that. More to the point, newbies are increasingly neglecting to read owners manual and coming to forums for answers. Owner manuals and shop manuals are written by then proof read, sometimes re-written and proof read before going to press. It's not a cardinal sin when mile pole members fail to clarify safety issues but to bring their oversight to light is often treated worse than cardinal sin. It is for that reason I didn't weigh-in earlier on this discussion even though two near death instances came to mind when I read the question.

My born and raised on a farm uncle killed engine while 3 point plow was in up position then proceeded to replace plow points. My 5 yo cousin climbed onto tractor and moved 3 point leaver trapping her dad beneath plow. Instead of running to her mom for help she hid in shop to cry. Thankfully my aunt eventually heard his calls for help before he suffocated.

My 30 yo brother,also born and raised farming, wrapped a bunch of round bale twine around shredder (bush hog) blades. Being rather large he parked tractor with cutter suspended above a low spot and killed engine then put tractor in gear before going underneath to cut away twine. This tractor was not live pto and twine was binding enough to prevent wheels moving,,,,,,until he freed things up. Tractor rolled back sitting cutter on him until his body resisted tractor moving. Close as they could figure, this happened about an hour before his wife got dinner ready. She waited another half hour before getting truck to drive over to tongue lash him. 🙏 Help at last,,,,,,,,,,,NOT. His wife wasn't farm raised and as much pain as he was in, he didn't want her anywhere near that tractor for fear things could quickly become worse. Another 30 minute delay while she went for a neighbor.

For your own safety look at the BIG PICTURE,not just for shortcuts before taking action.
 
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WI_Hedgehog

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One of the reasons jack stands are used when working on vehicles is because a hydraulic jack can fail and crush someone; it's similar with hydraulic lifts that have mechanical lock-outs. Even my motorcycle lift has automatic mechanical locks that engage while the bike is lifted. So...when working under tractor implements supported by hydraulics, lock them in place with something...and have a phone on you.
 
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imarobot

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One of the reasons jack stands are used when working on vehicles is because a hydraulic jack can fail and crush someone; it's similar with hydraulic lifts that have mechanical lock-outs. Even my motorcycle lift has automatic mechanical locks that engage while the bike is lifted. So...when working under tractor implements supported by hydraulics, lock them in place with something...and have a phone on you.
I do both of them things and have my wife periodically check in on me in case something happened and I'm unable to use my phone.
 
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WI_Hedgehog

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I do both of them things and have my wife periodically check in on me in case something happened and I'm unable to use my phone.
That's awesome, you must have a great wife! My g/f does the same, even brings food (especially lunch). Once I teased her she thought BLT stood for Bread, Lettuce, and Tomato and now when I get a BLT the bacon deserves to be in all caps. 😄
 

imarobot

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She is great and also helps me with a lot of this stuff, she's not afraid of dirt or grease (but not in our BLT's)! 😊
 
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Runs With Scissors

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I do both of them things and have my wife periodically check in on me in case something happened and I'm unable to use my phone.
My wife comes running down the stairs when the smoke detector stops blaring…………. ;)
 
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