Conventions for hydraulic valves on loaders

Swagger

Member
Location
Somerset
A long long time ago when I first bought my (then new) Quicke loader and bale grab, both valves on the loader were male connections, with females on the implement hoses. Each pair had one red and one blue plastic cap and ring to help connecting up the same way each time. I've just bought two other bale grabs, one of which is new, with two females, the other second hand, with two males (neither with any coloured caps or telltales). A neighbour tells me that he has always had one male and one female on the loader, and again on the implement, so that it becomes second nature as to which way to open/close the grab. Not a huge issue, but is there an accepted convention ?
 

Sheep

Member
Location
Northern Ireland
Anything we have used has always been two female ends on loader, one either side of the headstock so you know which pipe goes where, I don't think I've seen a female end on a loader implement.

There are some quick-attach blocks you can get that have a plug pattern built in so you can only put it one way.
 

trook135

Member
Location
Hampshire
Always put 2 males on the loader with a red zip tag on each implement, saves any rubbish falling in the connection whilst it doesn't have anything hydraulic connected
 

Larel

Member
My quickie has 2 males facing upwards, I assume for ease of access. With caps on any dirt or water doesn't fall into the connection. If it were females even with the plugs fitted you could have dirt settling around the blanking plug on the connector, which might end up falling in when you remove the blanking plug. When I remove and park up an attachment the hoses with female ends invariably hang downwards and so long as they are not touching the ground shouldn't get dirt settling in them.
On a similar vein, I have just bought a hydraulic driven Agritrend pan mixer which was supplied from the factory with a male on one hose and a female on the other. Never seen anybody with males on the back of a tractor?
 

Larel

Member
Male on tractor is free flow return, it is on Same and Deutz anyway
Ah that might explain it. My 2 tractors are more of the bargain basement range and don't have that. However I could fit one at a connection on the oil filler, which I have done in the past for a post driver.


Flat face fittings here. Female on loader, one at each side.
Whats the advantage of the flat face fittings, are they improved flow, or are easier to clean before use?
 

milkloss

Member
Livestock Farmer
Location
East Sussex
The seals last much, much longer, higher flow and very easy to wipe clean. Make and female on headstock for us. Must be a right bitch getting them the wrong way round all the time!
 

JJT

Member
BASE UK Member
Location
Cumbria
Ah that might explain it. My 2 tractors are more of the bargain basement range and don't have that. However I could fit one at a connection on the oil filler, which I have done in the past for a post driver.



Whats the advantage of the flat face fittings, are they improved flow, or are easier to clean before use?
Yes much easier to clean before connecting.
 

clbarclay

Member
Location
Worcestershire
I have a pair of males on the loader carrage plate. The point up and the previous females couplings just filled with dirt. I am considering putting females on the boom, angled down and on the same side. This would mean cheaper couplings on the attachments, save walking round the machine every time they are connected/disconnected and easier to keep clean.

One downside to this though is the current hoses near the pivot are well routed with clamp blocks. Floating pipes from an attachment risk getting caught or rubbing through. We had a complete coupling kicking round the workshop for years from a previous loader which had been caught in the carrage pivot and cimped together. A neighbour has to route hoses through a loop of string to keep them out of harms way, but even so they still rub a bit.

With tractor implements I just put a single cable tie next to one of a pair of male couplings to identify which way round they go.
 

Swagger

Member
Location
Somerset
And you stock men When fittings are under pressure you whack them with hammer to let pressure off
Only if a hammer is handy (if son hasn't nicked the one that belongs in the cab). Otherwise spanner, drawbar pin, whatever's to hand. If I'm feeling kind to myself, I'll put a rag over the fitting first.
 

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