Heidegeist2000
New member
- Joined
- Mar 19, 2024
- Messages
- 8
- Tractor
- Yanmar YM1510d
Hi from a German Yanmar Owner,
I've been reading here and at the Hoye forum for a couple of years now. I own a YM1510d since 2020 and I'm very happy with this little powerful tractor. I bought the tractor from a dealer who mounted already a FEL. Back in 2021 I updated the maual steering to a power steering, after the steering box broke. From the first day the FEL was a little bit tricky eg. when lowering the boom, it droped very fast. And a few other issues I didn't like.
However, during the past weeks I updated the hydraulic to a power beyond configuration with a Brand Hydraulics Loader Valve. I drew a hydraulic plan, but unfortunatly it's in German and it will take some time to translate. Here is a short discription. From the pump the fluid enters a priority valve - the center flow goes to the power steering the second line enters the loader valve from Brand with power beyond. Power beyond connects to the old pressure line from the pump to the 3pt. The tank return from power steering and tank port from loader valve return the fluid to the transmission / hydraulic fluid filler cap unter the seat. I manufactuered an adapter that fits into the cap bore in the rear axle housing (used for filling the oil). The cap is screwed into the adapter, very similar to the adapters sold from Hoye. Unfortunately the filler cap has a small vent hole. When lowering the boom, the flow from the cylinder to the tank is very high and the returning oil spills through the small vent hole in the cap.
Has anybody a solution to solve this little problem? I could clogg the hole, but I guess there is a reason for that little hole in the cap. If I install a small check valve into that hole, the air could get into the housing, but not out.
An other solution could be a restriction valve between loader valve and boom cylinder. That would reduce the return flow and might give the fluid some time to pass the adapter.
Unfortunately the adapter bore is as wide as possible.
I know here are some experts who already installed a power beyond valve and the Hoye adapter to return to the sump.
Do you have a similar problem?
Thanks to all in advance.
I've been reading here and at the Hoye forum for a couple of years now. I own a YM1510d since 2020 and I'm very happy with this little powerful tractor. I bought the tractor from a dealer who mounted already a FEL. Back in 2021 I updated the maual steering to a power steering, after the steering box broke. From the first day the FEL was a little bit tricky eg. when lowering the boom, it droped very fast. And a few other issues I didn't like.
However, during the past weeks I updated the hydraulic to a power beyond configuration with a Brand Hydraulics Loader Valve. I drew a hydraulic plan, but unfortunatly it's in German and it will take some time to translate. Here is a short discription. From the pump the fluid enters a priority valve - the center flow goes to the power steering the second line enters the loader valve from Brand with power beyond. Power beyond connects to the old pressure line from the pump to the 3pt. The tank return from power steering and tank port from loader valve return the fluid to the transmission / hydraulic fluid filler cap unter the seat. I manufactuered an adapter that fits into the cap bore in the rear axle housing (used for filling the oil). The cap is screwed into the adapter, very similar to the adapters sold from Hoye. Unfortunately the filler cap has a small vent hole. When lowering the boom, the flow from the cylinder to the tank is very high and the returning oil spills through the small vent hole in the cap.
Has anybody a solution to solve this little problem? I could clogg the hole, but I guess there is a reason for that little hole in the cap. If I install a small check valve into that hole, the air could get into the housing, but not out.
An other solution could be a restriction valve between loader valve and boom cylinder. That would reduce the return flow and might give the fluid some time to pass the adapter.
Unfortunately the adapter bore is as wide as possible.
I know here are some experts who already installed a power beyond valve and the Hoye adapter to return to the sump.
Do you have a similar problem?
Thanks to all in advance.