Vacuum pump main control valve servicing

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Anthony K

Member
Joined
May 19, 2010
Messages
19
Can anyone clarify these vague skid steer servicing manual instructions:" Connect a vacuum pump to hydraulic tank filler spout before removing main control valve for servicing"? If I were to speculate,I imagine ,drawing a vacuum at the tank could draw back any hydraulic fluid and reduce a leaking mess caused by the disconnected hydraulic hoses and later after replacing the valve a vacuum may help eliminate any entrapped air. Enough speculation on my part. Can anyone explain the specifics of that recommended service procedure ? ,Thanks
 

Tazza

Moderator
Staff member
Joined
Dec 7, 2004
Messages
16,828
You are spot on.
The suggestion is to keep oil from going everywhere when working on the system. It will keep most of it in the tank instead of on the shop floor. I personally just drain what i can out of the system before i work. What leaks out is just a loss, i figure its a way of putting more clean oil into the system too, it never hurts.
 

under the bus

Member
Joined
Dec 25, 2010
Messages
14
You are spot on.
The suggestion is to keep oil from going everywhere when working on the system. It will keep most of it in the tank instead of on the shop floor. I personally just drain what i can out of the system before i work. What leaks out is just a loss, i figure its a way of putting more clean oil into the system too, it never hurts.
yes that is what they mean..... a vacuum cleaner. it works very well just remember to install your funnel shaped crevise tool or stick a rag over the end of the hose.
 
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