36v black and decker wheel height wont stay - Black & Decker Cmm1200 24v 19" Cordless Mulching Mower

Use locktite red on the threads. It may also be that one bolt is left hand thread and the other side is standard right hand thread. The should be on so that moving forward tightens the nut. You should also have two washers and a nut. I wonder if you have the one that was discontinued?

36V 19" Electric Self-Propelled Lawn Mower - Black & Decker

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Mow up to ? of an acre with the removable BLACK+DECKER 36V mower battery. Have a larger lawn? 36V cordless technology allows you to charge additional ...

Black and Decker Lawn Mower Parts ' Fast Shipping ...

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Black and Decker Lawn Mower parts that fit, straight from the manufacturer. Use our ... 37052 Type 1 Black and Decker 19 Crafts Cordless Mower Parts.

Rechargeable Battery Powered Mower - Black & Decker

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36V 19 in. Mulching/Bagging Mower. This product has been discontinued and replaced with ... Adjust the height of all four wheels at once with the pull of a lever.

This worked for me .. Put battery in charger , unplug and plug in charger repeatedly until it charges

Place battery in charger , unplug and repeatedly plug in till charging

I need the answer too. My flap was so torn up that I just tore the remnant off. If you find out let me know, please.

if there are no adjustments at the rear wheels install new wheels to accommodate mowing hieght

36V Replacement Battery

Black and Decker 36V Replacement Battery for CM1836 Cordless Mower...

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What I do know is that some NiCd 12V Black decker batteries that look similar to the dewalt ones they are charged by the dewalt charger.
But there are 12V Nicd black and decker batteries that they can not be charged due to an extra plastic edge that does not allow to be charged by the dewalt charger.
Now if you do have the dewalt lithium 36V charger and if the black and decker battery is a 36V lithium one and can not be charged due to a plastic edge then I would recommend to risk to destroy the plastic edge in order the black and decker battery to be charged.

Check and see if the battery is actually charged. If the battery sits run down all winter they have a habit of not holding a charge. and needs replacing.

I would look in my owners manual and get the part number for the height lever and order a new one. You could also try and wire the height lever so it can not move. I am not sure how it engages but you could may be try and bend the lever so it is tight and won't move. Just a couple of ideas.

Good luck