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I didn't carry out the aerial inspection, though the person who did is a Chartered Arboriculturist & Registered Consultant. PhD., Cert. Arb (RFS), Prof. Dip. Arb (RFS), M ArborA., RC ArborA, MICFor so I'm happy to work to his specification without questioning it. My guess to answer your question would be the ikelihood of the hollow retaining water and causing additional problems down the line.

Yes I wouldn't want to use ratchets, it needs to be super safe and secure in that location

Hi all, a recent survey we're work to has instructed us to "remove an upper central leader to 1m below the hollow" and then to "install the hollow section in a nearby tree for habitat" All perfectly fine, but, I'm wondering what people's thoughts are on the best method of attaching the section to a healthy tree? It's from a Hybrid Black Poplar, section to remove is around 600mm diameter, there are several other large trees in the area, location is grounds of a school with regular footfall beneath.

The pump itself is definately attached to the engine and has only hoses off it. No belts

so the pump has a spindle rather than a belt drive?

Is the pulley inside the engine then?

Hi everyone, My A540T lost hydraulic drive, it had been running fine then just stopped all hydraulic function. The rollers still go around very slowly, the track motors move but don't rotate (even witht the tracks removed) We checked the filter, which is clear, oil is a little grey but looks as it should, no filings in the filter housing. So, I expect it's the pump gone. But, when I do a part search from the manual it says the pump is belt driven, it's mounted to the engine so unless there's an internal belt, which seems unlikely. So, anyone know the part number for a hydraulic pump to fit? Or better still, a quick and cheaper fix that I've not thought of! Thanks, Tristan.

3rd photo is from inside the cover, so I guess that's a plain shaft? What's an over-run clutch?

i'll try, thanks

http://arbtalk.co.uk/forum/attachment.php?attachmentid=220953&stc=1&d=1496073352http://arbtalk.co.uk/forum/attachment.php?attachmentid=220954&stc=1&d=1496073352http://arbtalk.co.uk/forum/attachment.php?attachmentid=220955&stc=1&d=1496073352

Hi guys, I need to change the belts on a Jensen A328 PTO chipper, sounds easy I know, but how on earth do you get the pto shaft off the chipper in order for me to then remove the triangle plate which exposes the belts? Admittedly this is my first pto machine so I am a novice but I'm not daft and nor are my guys, we spent a morning feeling for release pins, clips, buttons, screws, a hidden chipper fairy who needed to be bribed! No luck. Help us out if you can.... Tristan.

Thanks guys, I suggested ring-barking but the order is to stem inject, no explanation as to ehy yet. I will find out. I thought about eco-plugs but wasn't sure they'd work.

Evening all, I've been asked to stem inject a row of about 40 Spruce treeson an NRW site we're on. Whilst I've stem injected Japanese Knotweed and have the kit, I've not done trees before. Can anyone shed any light n whether there's a better technique than drilling a hole and filling it with Glyphosate.