John Deere snowblower model 828 drive won't engage
The drive pulleys will not make contact with the friction wheel using the hand grip. All belts are fine, chain is fine. The adjustment on the on the hand grip is fine. The manual does not provide any information.
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You probably have sheared the safety pin in your pulley drive. To change you have to take the pulley off. Try turning the pulley by hand If it turns free you did shear the pin.. Take spark plug wire off before so you do not hurt yourself. Safety first.
the cheap john deeres are notorius for belt jump. Have to look at idler pulley while engaged in normal cutting height and see if it rides the upper edge of the idlers. I have had to bend up the idler arm so it runs a truer line into the pulley/idler so it doesnt creep over the edges.
Have you checked all belts and belt tensioners? If so, you will have to tip unit up and take bottom plate off of unit. The drive system consists of a rubber lined wheel that makes contact with a friction plate once handle is depressed for drive. As you change gears you can see rubber drive wheel changes position in relation to friction disc to change speed. If belts are good, I would look in this area for problem. These rubber lined dive wheels do wear out and are replaceable. Also, on some models you can adjust further. Hope this helped. Happy wrenching!
Hi, check your belt tension, check all idler pulleys and drive pulleys for free rotation with the belt off and finally check that the belt is not bottoming out in any of the drive pulleys. If so, replace the belt. The blades should come up to speed imediately wether hot or cold and it sounds like your belt is slipping in one or more of the pulleys which drags the motor revs down until it grips. Regards Phil.
Your drive control spring most likely broke. This will lead to the drive pulley and friction wheel continually being in contact. This will in turn lead to the snow thrower constantly being in drive. The spring should be stocked by the local dealer and is very easy to replace.
I had the same problem with my 5HP Dual stage (C950-520240) Canadian model and found that the arm connected to the traction cable (part #85449 "Shaft Traction Clutch") which forces the friction disk up to the rubber friction wheel had a cracked weld and had bent, preventing positive contact with the rubber friction wheel. The drive wheels would turn if you lifted the back of the machine off the ground, but would not work if under load. First I replaced the belt and rubber friction wheel, but no go. I had to basically disassemble the whole drive assembly to find the problem, very frustrating because you could not see the crack in the arm from head on. I had the cracked and bent arm straightened and welded, all is OK now.