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  #21  
Old 06-20-2013, 02:08 PM
YardApeMike YardApeMike is offline
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Join Date: Jun 2013
Location: New Milford, CT
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We have 3 new (4/1/13) Ferris 3100Z, 61" 38hp. Belts have been replaced 2 & 3 times each: #1-39,139 hrs; #2-24,68,120 hrs; #3-10,24,138 hrs. First to fail was factory. I found a v-belt supplier on the internet whose belts last 4x longer and cost about $15 each. My local dealer is new to Ferris and top notch. but the factory is very slow to ship parts. I will ask about the keep kit.
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  #22  
Old 06-22-2013, 03:37 PM
aroddy aroddy is offline
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Location: Texarkana, TX
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Quote:
Originally Posted by zt4me View Post
aroddy you there?
Did you ever see the personal messages I sent referencing my mower?
I imagine this is your busy time of year also.

Took some time but did I find the belt 5103670 on ESP website.
Trying to figure out the new deep V idler pulley part number?

Thank you very much for your time, hope everything is OK.

Michael
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  #23  
Old 06-22-2013, 03:43 PM
aroddy aroddy is offline
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Location: Texarkana, TX
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The 5103870 is the new # for the 5103670....I just figured that out last week lol. But the deep v idler is a 5102678. Try that and see what you can get out of it. If your dealer can't help you just message me and I'll ship the stuff to you
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  #24  
Old 06-24-2013, 10:47 AM
YardApeMike YardApeMike is offline
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Location: New Milford, CT
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The parts list for my machines (SN 2016417771,2,3) shows the deep v idler as PN 5102678. I assume that is what I have. But it is a flat tread pulley, running on the back of the belt. What should it look like? I do not see 5103870 in the parts list for the 61" ICD deck.
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  #25  
Old 08-01-2013, 09:59 AM
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Potomac Lawns Inc. Potomac Lawns Inc. is offline
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Location: Southern MD
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Yard Ape what did you find out I have an older 3100 with a 61 deck and I am getting ready to change the idler pulleys and deck belt. my idler pulleys are also flat.
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  #26  
Old 08-02-2013, 11:03 AM
YardApeMike YardApeMike is offline
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Location: New Milford, CT
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My dealer got me a "belt keeper kit" & kevlar belts under warranty. The kit is a bar installed on top of the tension idler pulley. The bar holds a post to keep the belt from riding up and out the pulley edges. The kevlar belt is pn 5103870. Waiting to see how long it lasts.
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  #27  
Old 08-02-2013, 06:24 PM
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greenology greenology is offline
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I realise this is an older thread and not the same topic but oh well. Im wondering if any of you 3100z owners have cut with your deck at 2 1/4" & lower? When Im cutting with the deck this low, theres some kind of metallic noise coming from the top of deck area. Maybe a pulley is slightly touching something, I haven't had a close look yet. Just wondered if anyone else has heard this, although Im assuming you guys don't cut this low anyway.
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  #28  
Old 08-03-2013, 09:53 AM
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Potomac Lawns Inc. Potomac Lawns Inc. is offline
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Might check your idler pulley's I know I have replaced them twice so far.
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  #29  
Old 08-05-2013, 10:08 AM
YardApeMike YardApeMike is offline
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Location: New Milford, CT
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We have a 1500Z with a 52" deck. We bag so the factory recommended we raise the chassis to max (and stiffen the springs). Blade belt would be thrown every day!! And chewed up to boot!! I could see a steep angle from the engine pulley to the tension idler. I installed a 1/2" spacer under the belt tension arm. Solved the problem. We mow at 3 or 3-1/2" so lowering your deck would have the same effect. The noise could be the belt riding to the top of the pulley and trying to climb over the flange. Then the momentarily loose belt slaps the pulley tread.
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