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jgreen


Joined: Sep 9, 2003
Points: 149

yardman wheels just stopped!
Original Message   Feb 21, 2005 8:52 pm
my old  1980 Yardman let me down  while clearing  or so inches after work today.    It  started after about   6-10  pulls   it would sputter and black smoke would come out the muffler.   Anyway  it finally started and I i warmed it up and started to clear the drive   I made the first pass and punched through the EOD.  I turned the blower and put it in reverse.... Nothing!  it wouldnt move.  I tried all 5 forward speeds ans both reverse   but the wheels didnt move one bit.    Motor was running fine and augers were moving.  it was too dark to work on it tonight  .I ended up using my 4.5hp single stage to finish the job.   So what do you all think caused this sudden drive failure?  I will work on it this weekend   .What should I be checking. ?

FYI for those who dont know   this is a 5hp 1980 yarman  two stage blower.

John
Scotts 21" self propelled  mower
MTD  4.5 HP single stage snow thrower
Snapper 3 HP single stage snow thrower
Yardman 5HP two stage snowblower
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jgreen


Joined: Sep 9, 2003
Points: 149

Re: yardman wheels just stopped!
Reply #4   Feb 21, 2005 11:20 pm
Thanks for the info so far,   I  thought it might be the drive belt broke but I didnt hear any noise   . One minute it was working fine, I moved from speed 1 to slow reverse and the wheels didnt engage,  I tried all other speeds with no luck.

I do have the owners manual so I will have a look at that as well.

keep the ideas coming

John
Scotts 21" self propelled  mower
MTD  4.5 HP single stage snow thrower
Snapper 3 HP single stage snow thrower
Yardman 5HP two stage snowblower
Vangellis


Dream more easy in the chair that really fits you.

Location: Factoryville, PA. (NE PA)
Joined: Oct 1, 2003
Points: 373

Re: yardman wheels just stopped!
Reply #5   Feb 22, 2005 2:17 pm
Hi John. I posted back in January about the same problem. You even posted to that thread. It turned out to just be a "roll pin" or as I like to call it, a shear pin. It goes through the axles. What I thought would be a major repair cost me a few cents and little time. The pics I posted are gone because I believe I removed them from the web host. If you can weed through some of the BS that hit that thread, there is some good advice and solutions.  Check the link, if I did it correctly.  LOL

Hope this helps.                                           Kevin

http://www.abbysguide.com/ope/discussions/2593-0-1.html

This message was modified Feb 23, 2005 by Vangellis



Simplicity Conquest
jgreen


Joined: Sep 9, 2003
Points: 149

Re: yardman wheels just stopped!
Reply #6   Feb 22, 2005 3:16 pm
Thats right Kevin,     I forgot about that thread.     Let me review that thread     . I wont get a chance to work on the machine until the weekend . 

John
Scotts 21" self propelled  mower
MTD  4.5 HP single stage snow thrower
Snapper 3 HP single stage snow thrower
Yardman 5HP two stage snowblower
snowshoveler


tides in dirts out surfs up

Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261

Re: yardman wheels just stopped!
Reply #7   Feb 22, 2005 5:21 pm
the bolt in the wheel axle is NOT a sheer bolt,it is actually a grade 8 bolt .if you use a cheep bolt or a sheer bolt it will wobble out the gear and the axle and it will then break bolts quite often.

it should be a 1/4 20 bolt with a locking nut usually 1 1/2 long.

check to be sure before purchase.

later chris

craftsman 10/28 snowblower with tracks   husky 372xpg chainsaw   sachs dolmar bc212 bushsaw   mondo trimmer   monster tractor with trailer    cheep wheelbarro and couple shovels and a partridge in a pear tree 
walbroman


Clean Carb Clean Machine

Location: Plattsburg
Joined:
Points: 102

Re: yardman wheels just stopped!
Reply #8   Feb 26, 2005 11:08 am
Check the spark plug wire for chip and cracks

jgreen


Joined: Sep 9, 2003
Points: 149

Re: yardman wheels just stopped!
Reply #9   Feb 26, 2005 4:11 pm
I got a chance to look at it today.  I tipped it up and opened the bottom cover......   out fell two  rusted sheared off 1/4 bolts !  (they hold the wheel to the axle)     All I had to do is  drive out the broken bits  and replace with two   new hardened bolts   with locking nuts. That seemed to do the trick. it took me longer to go to the hardware store to buy the 63 cents worth of bolts than it did to fix it.

john

John
Scotts 21" self propelled  mower
MTD  4.5 HP single stage snow thrower
Snapper 3 HP single stage snow thrower
Yardman 5HP two stage snowblower
Vangellis


Dream more easy in the chair that really fits you.

Location: Factoryville, PA. (NE PA)
Joined: Oct 1, 2003
Points: 373

Re: yardman wheels just stopped!
Reply #10   Feb 26, 2005 4:14 pm
snowshoveler wrote:
the bolt in the wheel axle is NOT a sheer bolt,it is actually a grade 8 bolt .if you use a cheep bolt or a sheer bolt it will wobble out the gear and the axle and it will then break bolts quite often.

it should be a 1/4 20 bolt with a locking nut usually 1 1/2 long.

check to be sure before purchase.

later chris


Hi Chris. Good call. I was just out to the shed before and noticed the wheel just a bit away from the housing again. Yep, pulled it right off. That pin must have sheared like you said it would. Looks like a trip to the local hardware store in the morning. Good thing they are open on Sunday. Right now it looks like a good snow fall coming Monday. 1/4 might be too big though. It was a 3/16 pin I put in, and that was a squeez.              Thanks for the info.      Kevin


Simplicity Conquest
Vangellis


Dream more easy in the chair that really fits you.

Location: Factoryville, PA. (NE PA)
Joined: Oct 1, 2003
Points: 373

Re: yardman wheels just stopped!
Reply #11   Feb 26, 2005 4:28 pm
Hi John. I guess we were posting at the same time. Glad you got it fixed. Nice to fix it for a few pennies, for what at first seems like a major problem. If you read my new post, the shear pin didn't hold. I'll fix mine tomorrow.
                                                    Have a good weekend,          Kevin


Simplicity Conquest
snowshoveler


tides in dirts out surfs up

Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261

Re: yardman wheels just stopped!
Reply #12   Feb 27, 2005 9:00 am
the pin you broke was in the wheel?

sorry i thought you broke the bolt inside ...the one that the gear is fastened to the axle with.

as long as you got it going ,thats the main thing.

looks like weather is on the way.

later chris

craftsman 10/28 snowblower with tracks   husky 372xpg chainsaw   sachs dolmar bc212 bushsaw   mondo trimmer   monster tractor with trailer    cheep wheelbarro and couple shovels and a partridge in a pear tree 
nibbler


Joined: Mar 5, 2004
Points: 751

Re: yardman wheels just stopped!
Reply #13   Feb 27, 2005 10:06 am
jgreen wrote:
I got a chance to look at it today.  I tipped it up and opened the bottom cover......   out fell two  rusted sheared off 1/4 bolts !  (they hold the wheel to the axle)     All I had to do is  drive out the broken bits  and replace with two   new hardened bolts   with locking nuts. That seemed to do the trick. it took me longer to go to the hardware store to buy the 63 cents worth of bolts than it did to fix it.

john

Its been my experience that regular bolts don't work. I got a bag of locking pins from a local OPE shop. They have a ring at one end that can be rotated towards the other. You put the pin in through the hub on the wheel and then through the axle, rotate the ring and the whole thing is locked on. They seem to last a lot longer than any bolt I've tried.
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