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Showing posts with label binding seat. Show all posts
Showing posts with label binding seat. Show all posts

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.

Wednesday, November 16, 2011

Another Rascal Owner Contacts Me, About A Seat Problem

Suddenly I've become the go to guy for Rascal. Probably because their customer service is shut down, I don't know for sure, I haven't called, but I imagine that's the reason. By the way, my demo scooter, a new used 306B three wheeler is still for sale, check a couple posts down, end of commercial.
Yesterday a vet got in touch, he was trying to check his batteries, but couldn't get the seat off, and it was hard to turn. First the way it comes off is on the right pull the handle at the bottom, that releases the seat to turn, back, (or on the right if there is one push forward, it's pinned in the middle), and then with the seat centered pull straight up and it should pop right off. Look right under the seat in the picture, you'll see the handle in this case on both sides.  Once off look at the seat post, you'll see what we called the flower. There are two versions, on one there are four slots and on the other there are eight slots. The slots are for the end of the release handle to go into to keep the seat from turning as you drive the scooter, unless you release it by pulling back, or forward, on the handle to turn the seat.
One thing that prevents you from pulling the seat off is that it's not straight when you pull up, at a slight angle left or right, when you pull up the release bar is just off from the slot and catches the edge of the flower. The other reason, much less common is that left unlubricated the seat post on the seat, it's about 6 inches long in the plate on the bottom of the seat, starts to bind inside the seat post on the scooter. This makes it hard to turn, and can make it from difficult to impossible to pull off. This is what happened to the vet that contacted me.
What you, or your son, daughter, friend, neighbor, or last resort service center, do is hold the handle back and wiggle the seat, not easy they're heavy and awkward, up and down one side and the other. Usually sooner or later you can work them up until they finally pop free.
Occasionally though you have to use long screwdrivers or prybars between the seat base and flower and once I had one so bad I had to fiddle around between the scooter and seat taking out the bolts in the seat base to get the seat off and out of the way, then took the post apart, a real hassle, put it in a vice and finally got it apart. For this, unless you or your helper are mechanically inclined, have a service center do it, which will unfortunately be expensive and they'll probably want to sell you a new seat post, which you may need anyway depending on if you damage it too much, which I did on one. In my case I had extras, but you won't, so be careful if you can.
 Something I'm embarrassed  to admit never occurred to me then, would have been put the scooter on its rear bumper then remove the four 7/16ths bolts holding the seat post to the scooter, much easier, wish I'd thought of it. Make sure if you try this someone or something is holding the seat while you take out the bolts so it doesn't just drop away, maybe damaging something.  Also use blue locktite or double nut the bolts, or both, when you've gotten the seat post apart and you bolt it back on the scooter, I'd do both but that's just me. Actually I just realized, this won't work, because the seat will keep you from getting the plastic off and removing the batteries. Oh well another good idea that wasn't, but I'll leave it in maybe you'll think of something I haven't.
As a matter of course, pull your seat off once a year or so, or have your service center do it, and take a finger full of white grease to lubricate the inside of the seat post and the top of the flower, I always did this before delivering to a vet. If you've had binding, on the part of the post attached to the seat base, take course sandpaper wrap it around and twist it until you have bare metal, this should relieve future binding and the grease in the post should protect it, but you can also grease this part if you want to make sure. Hope this helps.

Lee Murray