Can't connect couplings on snowblade

[zargnut]

Hi,

I have a B2601 with hydraulic snowblade using the 3rd cylinder attachment on my loader. I just tried reconnecting the blade and the coupling is locked by what I am assuming is high pressure in the blade cylinder.

I turned off the tractor, released the pressure in the loader cylinders, and hitch. I am able to depress the plunger on tractor side, but the black plug on the male snowblade side is rock solid and I am too weak (wimp) to push it on.

I took it off when the temp was about 10 deg.. this winter... wondering if expansion has increased pressure making it hard to connect.

How do I release some of the pressure on the implement cylinder side to permit connecting it back to the circuit?

thanks
dan

 

[Ramos]

Use wrenches to loosen the hose end fittings. Once they start leaking, you can stop until the pressure bleeds off. Best practice is to lay a rag over the fittings as you loosen it to keep from being sprayed. As you know, the oil will be under pressure but, it should be a small volume released to equalize the pressure. Unfortunately, even a little hydraulic oil can make a decent mess.

Some will tell you to hammer on the end of the male fitting (or inside a female) with a brass hammer or punch. It works, just not nearly as controlled.

 

[zargnut]

Thanks that did work. The fitting that the end of the hose was not leaking, was taped.. made me nervous.. but there was a swivel adapter at the cylinder that easily loosened, leaked, and allowed me to connect.

thanks. in hind sight, that was really obvious... they should really have some easy tool for releasing pressure in an controlled manner... anyone have a link to one?

thanks

 

[Ramos]

The hose end is a tapered pipe thread. The fitting you loosened, I am guessing, is a JIC fitting. Easier to loosen but, I was afraid you would end up with oil all over your cylinder and blade. Glad you are hooked up and ready to roll!

 

[North Idaho Wolfman]

Thanks that did work. The fitting that the end of the hose was not leaking, was taped.. made me nervous.. but there was a swivel adapter at the cylinder that easily loosened, leaked, and allowed me to connect.

thanks. in hind sight, that was really obvious... they should really have some easy tool for releasing pressure in an controlled manner... anyone have a link to one?

thanks

Connect the lines to each other when you disconnect it, and you won't have that problem.

 

[ItBmine]

What Ramos said exactly. This happens sometimes with my Rear angle blade because I don't use it often and with the severe temperature variances here.

 

[tthorkil]

Here is a thread about making your own pressure relief tool - https://talk.newagtalk.com/forums/thread-view.asp?tid=511185&posts=16&highlight=hydraulic&highlightmode=1#M4157306

 

[sheepfarmer]

Connect the lines to each other when you disconnect it, and you won't have that problem.

I was trying to extrapolate this to my front mounted snowblower, which it might be safe to remove soon, and can't figure out what you would attach to what. Not good with hydraulics can you add info please?

 

[tthorkil]

I have been connecting the two hoses together - male to female - for a while now and occasionally when I separate the couplers there is evidently not enough pressure released before they reseal and I have to crack a fitting loose to relieve some pressure before I can connect to my Bobcat. Here is a youtube link that shows what NIW was referring to at about the 1:50 time of the video.https://www.youtube.com/watch?v=SjS1jLEDeCo

 

[North Idaho Wolfman]

I was trying to extrapolate this to my front mounted snowblower, which it might be safe to remove soon, and can't figure out what you would attach to what. Not good with hydraulics can you add info please?

On your implement you should have a male and female quick connector on the lines, just connect those two to each other.

If as some have had, both females or both males are on one side you will need to swap one of those around.
If you have one of each on either end then you can't hook it up backwards too.

 

[sheepfarmer]

I think all 4 of them are the same gender, whatever that may be, but I'll have to go look

Maybe even take a picture since I'm so clueless. They go where the FEL attaches.

 

[North Idaho Wolfman]

I think all 4 of them are the same gender, whatever that may be, but I'll have to go look

Maybe even take a picture since I'm so clueless. They go where the FEL attaches.

UGGG, your right on that setup they do all have the same on one side, in this case you would have to make up some jumpers to link the lines together.
It's cheaper in this case to have a cloth, and a dead blow hammer and smack them to relieve pressure on the lines.