[Shop-talk] jack bleeding

[Mark Andy]

Howdy,

On Tue, 6 May 2008, David Scheidt wrote:
>>  I've been discounting "seal problem" because I've never seen any jack
>>  fluid on the floor... Are there seals internal to the jack that won't leak
>>  out fluid if they fail?
>
> Yes. Most likely failure is the check valve in the pump, which is 
> intended to keep the pressurized fluid from taking the easy route back 
> to reservoir, and not the hard one to the lifting cylinder.

Is that something I can service?  How tough is it to get to that check 
valve?

(this, of course, assumes I can find someplace to get parts...)

Mark