View Full Version : gravely 252 hydro air purge

01-28-2013, 10:24 PM
I've got to disconnect one.of.my hydro pumps due to a seal leaking which means I have to take line's off... the r crimped with plastic looking rings??... never messed with this type before.... anyhow when I assemble all this back together, how do I get all the air out of the system. Thanks
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