Gallery, Projects and General > Project Logs

Mounting a Tractor Hedge Flail

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awemawson:
Thanks for the kind words Steve.

Yes the top link is taking quite a large load - I plan to buy a 'heavy duty' one - this one is 'regular duty' - difference being a thicker walled tube, and the threads are 1 1/4" UNC as opposed to 1 1/8" UNC on the 'regular duty' ones. Mind you the flail was supposed to be mounted this way and only has a hole for a 'Cat 1' pin for the top link. Couldn't order one until the flail was mounted as it was virtually impossible to predict how long it was going to need to be - as it happens it's worked out as the standard length for this tractor, which is 25" nominal (ie mid adjustment)

This afternoon I ignored the rain and got on with things.

I filled up the 25 gallon hydraulic tank (no leaks on the fittings or the level indicator)

I drained 25 litres from the back axle and removed the right hand rear wheel to get at the brake actuator seal, which I replaced (it was leaking too much to tolerate).

I took the left hand rear wheel off, and fitted the missing nuts for the flail axle bracket

I fitted the replacement rear wheels that have far less splits than the originals (!)

So the list is getting ticked off slowly.

Tomorrows task is to sort out the pipes for the PTO pump

awemawson:
So the day started removing the feed pipe from the PTO pump and examining what it's ends were.  1" BSP cone fitting at the far end, but an SAE flange on the pump. Local agri-hydraulic place didn't have the SAE flange fitting so I just bought the pipe reasoning I can recover the fittings and re-use from the old pipe, as this is not a pressure pipe - in fact it will be under negative pressure.

So I set about sawing the old fittings off and re-using their barbs

awemawson:
The result was altogether more sanitary than the old one :ddb:

Note I used 'Band-IT' hose clamps. I bought a Band-IT kit at a boot fair many years ago and it is very handy for these little jobs and far neater than Jubilee clips. The Band-IT system uses a stainless steel continuous band, a clamp, and a special tensioning tool

awemawson:
The output hose from the pump, though not in it's first flush of youth, looked serviceable, so I re-mounted the pump and its plumbing.

The pump of course wants to rotate as it just sits on the PTO shaft, so it has a chain to restrain it

awemawson:
So time to try it out. Started the engine, set the pto turning, and low and behold we have a loud swishing sound.

... not quite the right sound . . what's going on. At this point I looked at the ground only to see a large oil slick making it's way across the yard  :bang:

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