Posted by NCWayne on March 18, 2013 at 21:59:38 from (173.188.169.54):
A buddy of mine has an old L35 Sperry New Holland skid steer. He's a young guy, currently out of work ((((laid off when the company he was working for got caught not removing asbestos from a demo job, and OSHA/the EPA kicked the company off the site)))) and he's trying to get his machine to do what he needs it to do, wihtout breaking the bank. Basically he's has gotten alot of calls wanting property cleared either with a mulching head or a flail mower, etc. Basically he needs aux hydraulic hookups,to run any of the powered attachments, but it has none. It has a two spool Cessna valve and he needs a power beyond cartridge for it to make that happen. Unfortunately they aren't available anymore from the mfg.
The easiest way to do it would be to find a cartridge, on the other hand we have also discussed finding a newer valve, with a power beyond, and rerouting the pressure line through it first, in effect making the main machine functions the 'aux power'. Like I said either way would work but finding the proper part would make things alot easier.
That said, my first question is does anyone know what model Cessna valve it used so we can begin a search that way, and/or where he might find a parts machine with the needed part.
Second thing. We've figured out how to make the low flow system work for most of what he's wanting, but he could really use the optional high flow if we could figure out how they did that. So, dose anyone have one of these machine with the high flow option, and if so do you know what is different? I can't understand how they get the extra flow and pressure out of the machine without increasing the engine HP, of if they worried about it. As it stands the standard flow works out somewhere around 25 HP. With only 37 available I can't figure out what they did to make the HP option usable with enough power left to make the machine move at the same time the aux was being used. Granted that might not be a problem with somehting like a broom, but with something like a trencher, mulching head, etc, it with little to no 'extra' HP available it would be way to easy to stall the machine if you hit a hard spot.
That all said we have discussed swapping out the VG4 with a V465D. That would give him a HP increase of around 18 HP, which would definately give the additional UMPH needed to run a high flow on the aux circuit. Too, I onc worked at a place where a customer had several V configuration Wisconsins, with turbos, on some concrete saws. I can't remember the model number on them, but I have never seen another since. Has anyone had any experience with these turbo'd engines, and if so which model was it ????
Ultimately any and all ideas or advice would be greatly appreciated. Thanks, Wayne
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