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Old 07-28-2011, 10:09 PM
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greenchoppers greenchoppers is offline
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Location: Thibodaux, La
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Deck belt derailing

Hello,

We have a 2006 Toro Z400 48" mower with 23HP Kawasaki. Today the deck belt started derailing itself for no apparent reason. We put it back on but continued to happen again and again.

The right side (discharge) idler pulley closest to front of the deck was a little loose. We retightened and reinstalled the belt. Problem persists.

At the advice of my dealer, we started looking at the idler pulley with the tensioner spring (left side, slightly forward of rear tire). We replaced this idler pulley with another identical brand new one. All other parts seem secure and working properly. Problem persists.

Please Help!
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Kevin Babin
Green Choppers, LLC
Thibodaux, LA


Equipment:
2006 Chevrolet 1500 crew cab truck
2006 Big Tex 6'x16' open trailer
2011 Toro Z500 52" deck ZTR
2006 Toro Z400 48" deck ZTR with mulch baffles
2010 Toro personal pace mower
2011 Echo string trimmer
2009 Echo string trimmer
2009 Echo PAS split shaft (edger, trimmer, pruner)
2-2011 Echo PB260T backpack blowers
3-2009 Echo handheld blowers
2011 Load Trail 6x10 dump trailer
Miscellneous shovels, rakes, and other outdoor tools
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Old 07-28-2011, 10:17 PM
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Restrorob Restrorob is offline
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In most cases once a belt rolls off at speed it puts a twist in the inner cords, Once it's twisted it will never stay on.

If you have all pulleys lined up and tight now, Replace the belt with a new one.
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Old 07-28-2011, 10:38 PM
laman laman is online now
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Location: Louisiana
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I threw a belt, like restrorob says once you get a twist in a belt it is history. Try changing it and see what happens..
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Old 07-29-2011, 02:10 AM
topsites topsites is offline
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Before installing that brand new $80 belt I would recommend checking all
pulleys and spindles for bearing wear, best time to do it, between belts.
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