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Old 07-30-2012, 10:29 PM
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KV9064 KV9064 is offline
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Join Date: May 2012
Location: Adrian,MI 49221
Posts: 141
why would you not change the oil filter when you change the oil, that makes no sense at all
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Old 07-30-2012, 10:45 PM
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ProStreetCamaro ProStreetCamaro is offline
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Join Date: Apr 2004
Location: Gaithersburg Maryland
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Originally Posted by scotts lawn care View Post
Make sure to follow your manual to the should be fine. My 757z has over 2700 hrs on it - due to good maintenance. I change the oil every 20-25 hours......and the oil and filter every 40 - 45 hours.
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Our 1999 lazer hp 48" with kohler 18hp has about the same amount of hours. The oil gets changed once a year. 20 to 25 hours is absolutely ridiculous. I think it was Richard Martin on this forum that did UOA's (used oil analysis) to see just how far you can go in these hot little engines before an oil change is actually needed and it was way beyond even what the manuals recommend.

EDIT: I could not find that thread but I did find this one. Analysis does not lie.
2013 Gravely 460Z 29EFI
2011 Gravely 36GR
2008 Gravely 160Z
2004 Gravely 34Z
1998 Lazer Z HP 48 (old faithful)

Last edited by ProStreetCamaro; 07-30-2012 at 10:51 PM.
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Old 07-31-2012, 02:24 AM
Lawnut101 Lawnut101 is offline
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Join Date: Oct 2006
Location: West Bend WI
Posts: 2,245
For my mowers, usually change the oil after break in of between 15-25 hrs... Change hydro filter after first 50 hrs... Then every 15-25 hrs change / clean air filters... Every 50 hrs change oil and filter... Check belts every 100 hrs or so, probably change between 350-500hrs... Then with 250 hrs, change hydro filter... Change fuel filter about every other year, or whenever I think it needs it.

Main thing, check oil (and coolant if applicable) daily.

Sharpen blades as needed, usually every day for me.

Hope this helps a bit.
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Simplicity Legacy 60" Vanguard Diesel
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