Re: Re: Re: Re: Novel skidsteer hydraulics

Posted by Paul on August 08, 2002 at 13:48:57 from (207.253.108.32):

In Reply to: Re: Re: Re: Novel skidsteer hydraulics posted by RickB. on August 06, 2002 at 14:23:41:

Thanks RickB for the extra info. I've had to update
my view of what was going on within a hydraulic system
like this one. This morning I made some paper spools
so that I could play with the drawings in the service
manual and see how the oil moves around.

The power beyond port on the loader control valve does
indeed blend the PB supply to the return of the loader
when there is no aux system, and the port is plugged.
If there is an aux system, then a "sleeve assembly" is
screwed in where the plug was, which (appears to) force
the PB supply out the line while at the same time blocking
the connection between it and the return 'cavity'.

So I just learned that a plug is not the same as a cap !
I couldn't (easily) remove the "sleeve assembly" so figure
I could just cap the hose part instead. Well, tomorrow
I get to reinstall the short-circuit hose until I get
around to removing the assembly and installing the plug,
which I just ordered. Luckily I haven't used the machine
except to move it around a bit at low throttle so there
shouldn't be any damage done.

Paul

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