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Lawn mower repair baws, help?

Posted on 7/2/18 at 2:01 pm
Posted by NATidefan
Two hours North of Birmingham
Member since Dec 2008
36788 posts
Posted on 7/2/18 at 2:01 pm
My Craftsman riding lawnmower has some issue with the deck assembly that causes the idler? pulley that moves when you engage the blade to slide behind the other pulley next to it and jam up.

I can take the pulley off and put it back in front of the other pulley the way it's supposed to be and it works for a good while, buy then it ends up somehow sliding behind it again and jamming up.

I know I have the right size belt, but it does seem to be a little loose. Could that cause this to happen? Is there a way to tighten it?

Thanks for any help.
This post was edited on 7/2/18 at 2:17 pm
Posted by Trout Bandit
Baton Rouge, LA
Member since Dec 2012
15115 posts
Posted on 7/2/18 at 2:02 pm to
You need to post this on the OB.
Posted by airfernando
Member since Oct 2015
15248 posts
Posted on 7/2/18 at 2:10 pm to
a pic would probably help but surely you can do something to make it so the idler pulley bracket doesn't move much. Either tighten it's bolt/nut or drill and add something else such as bolt, spacer etc.
Posted by NATidefan
Two hours North of Birmingham
Member since Dec 2008
36788 posts
Posted on 7/2/18 at 2:12 pm to
Well it's supposed to move some, it's the one that puts pressure on the belt to engage the blades. I probably won't work on it til this weekend. I'll post a pic then.
Posted by TheFonz
Somewhere in Louisiana
Member since Jul 2016
23550 posts
Posted on 7/2/18 at 2:20 pm to
Why don't you just buy a new one?
Posted by PCRammer
1725 Slough Avenue in Scranton, PA
Member since Jan 2014
1979 posts
Posted on 7/2/18 at 2:22 pm to
You're going to need to put your face under there while it's running to see exactly what's happening. Get back to us after visual confirmation...and good luck.
Posted by airfernando
Member since Oct 2015
15248 posts
Posted on 7/2/18 at 2:25 pm to
right but can you add something to keep it from traveling too far. Is the idler pulley on a bracket? Can you attach some kind of spring to keep it from going too far?

Nearly all decks have some kind of problem that eventually has to be modified. Most people just waste several thousands bucks getting a new one.
Posted by Tactical Insertion
Member since Feb 2011
3205 posts
Posted on 7/2/18 at 2:35 pm to
All this talk about pulling gets me randy for a shag
Posted by tigahbruh
Louisiana
Member since Jun 2014
2864 posts
Posted on 7/2/18 at 2:50 pm to
I needed my lawn mower repaired once.
He sprained his ankle.
Posted by NATidefan
Two hours North of Birmingham
Member since Dec 2008
36788 posts
Posted on 7/2/18 at 2:50 pm to
Have to look more closely
Posted by el Gaucho
He/They
Member since Dec 2010
60138 posts
Posted on 7/2/18 at 2:52 pm to
Ain’t got no gas in it, mmhmm
Posted by Steadyhands
Slightly above I-10
Member since May 2016
7204 posts
Posted on 7/2/18 at 2:54 pm to
quote:

Nearly all decks have some kind of problem that eventually has to be modified. Most people just waste several thousands bucks getting a new one.


It probably is a worn out spring. Or....

Something similar was happening on my mower, where the idler pulley would seem to slowly move back and the belt would eventually pop off. I would manually force the arm back and it would be fine for a while. The arm was really difficult to move though which I knew wasn't right. Finally took the time on day to look really close at it and found that part of a stick got jammed under it and broke off to where it was hardly visible. It's worked fine ever since I got that out.
This post was edited on 7/2/18 at 2:55 pm
Posted by keakar
Member since Jan 2017
30152 posts
Posted on 7/2/18 at 3:07 pm to
the brackets are designed so they have limits to how far they can move, if yours moves too far then something is broken and the bracket needs replacing, or you have the belt wrapped the wrong way around the idler pulleys.

its not hard to wrap it the wrong way if you dont pay attention to how the old one came off

does it look like this? LINK
Posted by NATidefan
Two hours North of Birmingham
Member since Dec 2008
36788 posts
Posted on 7/2/18 at 3:25 pm to
Yes, it's wrapped correctly until it screws up again
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