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Old 07-26-2009, 11:02 AM
JimmyJ JimmyJ is offline
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Join Date: Aug 2006
Location: Jackson, MS 39083
Posts: 20
Proper Hydro oil change procedure

I am about to get to the change point for the hydro oil on my new Super Z. I plan on using Amsoil 20W-50 synthetic in the hydro system. What is the best way to get all of the old dino oil out of the system? Just remove the drain plug and replace the filter and then refill or drain it and remove filter and then crank and run the system for a few seconds to pump everything out. Will this harm anything or will just draining be sufficient? I understand the Amsoil is compatible with dino oil so if there is some left in the system it should not be a problem. Thanks for any suggestions.
Old 07-27-2009, 01:34 PM
mowerconsultant's Avatar
mowerconsultant mowerconsultant is offline
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Join Date: Feb 2000
Location: Syracuse, NY
Posts: 9,757
All you need to do is drain the system and replace the filter.
You will never get all the dino oil out unless you remove every component and line.

Former Bad Boy and Hustler Sales Representative
Old 07-27-2009, 02:18 PM
AmsoilPower AmsoilPower is offline
LawnSite Senior Member
Join Date: Dec 2007
Location: Rochester, IL
Posts: 954
You are correct about Amsoil being compatible with dino oils. No problem with that.

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