Free wheeling difficulty - Snowblower Forum : Snow Blower Forums
 
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post #1 of 7 Old 11-30-2019, 10:51 AM Thread Starter
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Free wheeling difficulty

I have an old Simplicity 860 that I am having difficulty rolling forward and backwards without the engine running and traction disc disengaged.
The wheels barely move, they basically just skid along the ground. When I put the machine in the service position, I can move the wheels by hand but with great difficulty.
The machine does move when powered by the engine with the drive lever engaged.
I checked the sprockets, gears, and chain underneath an nothing seems to be bound up and there is no significant rust.
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post #2 of 7 Old 11-30-2019, 11:08 AM
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Check all the drive bearings for play. Also make sure where all the gears mesh that they are lubed/greased. Is it moving good in the service position and then when you put pressure one the drive on the ground it acts up?
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post #3 of 7 Old 11-30-2019, 11:24 AM
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I'm not familiar with that machine so take these as guesses. Pull the chain on the axel and see how the wheels turn. Start going through the drive the same say, disconnect something and see how it works. If I had to make a pure guess, check the bushings on the axel and insure they are rusted up or binding.
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post #4 of 7 Old 11-30-2019, 11:50 AM
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On MTD's the shafts holding the gears have bearings supporting them that rust up and bind...I just spray both sides of the bearing with PB Blast to free up then lube with lithium.
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post #5 of 7 Old 11-30-2019, 03:11 PM
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i assume rusted parts, take some pics or a vid of u actually trying to move the wheels while its in its service position

Bought a dead but now fixed 1980ish craftsman II 10/28....ITS ONE HEAVY BEAST

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post #6 of 7 Old 11-30-2019, 04:21 PM Thread Starter
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In the service position, I can grab the rubber disc and spin it by hand. This turns the upper hex shaft that the disc is connected to, which turns the chain, which in turn causes the main axle to spin. This works fairly smoothly. When I grab hold of either wheel, it does not want to turn. I grabbed the tires and shook, and there was some play, but it did not seem ridiculously sloppy. It does turn better in the service position vs. on the ground. I sprayed some pb blaster into the axle bushing / bearings and it moves better now. So I am assuming these bearings need replaced. Any idea how difficult a job this is? Thanks.
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post #7 of 7 Old 11-30-2019, 04:37 PM
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my old sears /murray machine has bronze axle bushings, easy and cheap to replace if u can get the the wheels off, i dont think i needed to remove my axle iirc

Bought a dead but now fixed 1980ish craftsman II 10/28....ITS ONE HEAVY BEAST

MY VIDS ON FIXIN HER UP

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