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Shibaura's do not use a positive ground. 3 points that have electric over hydraulic solenoids have a common problem with bad amplifier cards.

lift problems solved
Shibaura
Replies 2 Post by EFC Construction

call 509-374-3398 i have your info

info on Shibaura a1840
Shibaura
Replies 10 Post by EFC Construction

Yes, I have seen them both inside and out and they are identical.

TYM and Terramite Tractors
Other Tractor Brands
Replies 39 Post by EFC Construction

The SD2203 does not have a safety valve for leak down, position control is done with amplifiers that receive feedback from the tiller,. It is a very simple two spool solenoid with pressure bypass and that is it. One spool for lifting the other for lowering. Flow control valve is on the output side of the cylinder between the piston and the spool. We work on Shibaura's everyday in the shop and this is a common problem with common symptoms. I wasn�t shooting in the dark or speculating. It is one of two things and the piston seal (not the seal on the cylinder head, the piston seal that keeps the pressure in the cylinder) is the easiest to check first and will most likely need replacing anyway. If the oil can blowby the piston in 30 min with no load then the idea that it cant lift real weight makes more sense� If that is not bad then we can move to the other culprit.

SD2203
Shibaura
Replies 7 Post by EFC Construction

Very Cool!!

Loader projects finished
Loaders Back Hoes
Replies 4 Post by EFC Construction

I would not bet on that, what diameter tires are you running now?

Ag rims
Shibaura
Replies 4 Post by EFC Construction

Bill your doing a great job. I have built backhoes for years and the first one took me forever! Looks to me like your way ahead of schedule. Your welds look fine just remember when you use 7018 keep your arch tight. And yes low carbon rod needs to be DRY.

Caddigger Page Updated
Loaders Back Hoes
Replies 5 Post by EFC Construction

We have loaders for your Yanmar. What part of the country do you live in. We are located in the Pacific Northwest if your close our prices cant be beat. 509-521-1507 www.efcconstruction.com

wanted fel
Loaders Back Hoes
Replies 3 Post by EFC Construction