Adding "Float" feature to a rear-mount snow plow

[bpb347]

This is probably a very simple question for many of you. We are building two back blades for snow plowing. Our hydraulic circuit is very simple, consisting of a double-acting 12VDC power unit and cylinder. This gives us power up/down. Any suggestions for circuit design to add a "float" mode, so we will have power up, gravity down and power down?

 

[maytag]

It can be easily done, several industrial or mobile hydraulic equipment manufacturers offer valves set up this way. Good luck, Maytag

 

[hydtools]

See if Brand Hydraulics will provide a TS1120 single spool 4-way valve with a four position spool. The fourth position being the float position.

http://www.brand-hyd.com/ts/ts-info.htm

Ted

 

[kcj]

Can you put a chain connection between the lift and the cylinder, like done on front mounted plows? simpler

 

[bpb347]

The chain is not an option, as it wouldn't allow for down pressure. Thank you for the link to Brand's website. I didn't mention the last requirement of the valving being 12VDC solenoid. We would like the entire power unit to be self-contained and easily removable from the truck. This leaves us with electric valves with just wiring going to the cab, no hydraulic hoses. Thanks again for the help!