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Sunday, February 12, 2012

Electric Seat Lift

In my post about the seatpost binding making the seat difficult to turn or pull off I didn't mention it, but the same thing can happen with the electric seat lift. In the case of the ESL it's easier because you can raise the seat 5" which gives more room to work underneath it. It's comprised of two pieces the seat lift, and a "flower" that limits the turning of the seat. The flower is bolted on with a 7/16" bolt. To remove the seat take out the bolt which releases the flower and the seat should pull right off at which point you can remove the flower from the seat, put it back on the ESL replace the bolt, and lubricate the h*** out of it using white grease inside the lift, and on the top of the flower, just like with the seat post.
If you ever need to remove the lift. Remove the seat and batteries, then the 4 screws that hold the plastic to the frame. Put slack in the velcro straps that hold the batteries to make it easier to work under the plastic, it's not necessary to remove it. lift the black plastic that covers the electronics on the left side, looking from the rear toward the front, locate the two wires connected to the lift. They'll be plugged into two wires in the harness. The orange wire plugged into the orange and the black into the black, pull the connectors apart gently, so you don't break the small wires in the harness.  Tip the scooter straight up on it's bumper so it's vertical making it easier to get to the bottom. There are 4 7/16" bolts holding the lift to the frame, I use a 7/16" wrench under the plastic and a rachet/socket outside to release the nuts and screw them off, being careful not to lose the washers. Remove the bolts holding the lift, it's heavy. Now lift and draw the lift out the bottom of the frame making sure the two wires don't get caught.
When you put it back make sure the motor, the short round part, faces the rear of the scooter. Just do the reverse of above, making sure the bolts are tight. I'd double nut, or use blue loctite, or both as with the seat post. Connect the wires orange to orange and black to black. FYI Orange is the hot wire, Black is the ground.
The same process more or less works with power chairs, but there may be more involved depending on the chair due to being smaller and everything being tightly packed.

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