I took your advice and placed the cartridge and solenoid from one of the front loader spools and placed it in the "tools" spool. Got fluid to the jackhammer, so that identified the problem. Finally, found a replacement cartridge on ebay, under the following info:
NSN 4810-01-257-3315, cage...
Am looking for a replacement cartridge for the hydraulic tools spool on the control valve, but am having a difficult time finding one.
Looks like Bosch used to make one, but am not seeing any sellers. (I have the NSN and part # for the Control valve.)
Any suggestions would be...
Anyone know of a trouble shooting guide for the FLU-419 hydraulic tools? Can't get fluid to the coupling hoses.
Loader and RPM switch on the back both work properly
Both hydraulic fluid tanks are full
Pressure is fine
Tool Switch is properly wired.
Front hydraulic pump appears...
Can't vouch for the products, but the information regarding all the proper fluids, by model, is great:
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