Changing the dual axle on an Invacare recliner to lower seat
My mother just received an Invacare SX5RC recliner from Hospice. I would like to lower the seat to floor height to 171/2 inches. It is now 2 inches higher which was fine until we put in her 2" seat cushion. On-line it says the chair is dual axle and can be lowered 2 inches. How do you do this? Hospice just has a warehouse of these chairs without any tech help. Thank you.
Re: changing the dual axle on an Invacare recliner to...
You will need to remove the rear tires and front casters. If you look at the front caster fork there should be some extra holes where you can
re-position the caster wheel. Likewise on the hole where the rear tires mounts there should be a hole above it where you can re-mount the tire. So just move the caster and wheel up to the next hole. If there are no holes to move up to then you cant lower the chair. The only other options would be to install a drop seat which you`ll have to purchase from a dealer or install smaller wheels and casters. So, for instance,say you have 8" casters and 24" wheels you would then install 6" casters and 22" wheels. Good Luck and let me know how it turns out.
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In any device that has a charging circuit that circuit can fail to charge batteries after a time. Ypu could have an electronics technician check what happens in the charging circuit. As you have changed three batteries the fault must lie elsewhere, as you have deduced.
The chair may be in what they call SLOW MODE or the batteries are weak. If you have powered seating on the chair the seat has sensors that make the chair drive slow or not drive at all when the seat is tilted or reclined or raised. A sensor can go bad or get out of position. The joystick could have different programming for different drive modes. Try changing drive modes.
Nurseboy16 goto to Invacare.com and on the homepage select wheelchairs and topend then select powerchairs then select Pronto series then select nonpowered seating scroll down until you find M91 then on the left side of the page you will see owners manual select that and look on pages 62-63 on how to connect the wirng. You should have wiring crisscrossing each battery black on neg post red on positive post on opposite batteries and the large connector will connect to the large connector going to the controller or power module hope this helps
Hope you have had this fixed by now. But in case not and you are not able to use the chair.
If the chair still drives it's not batteries. The toggle switch box should be ok if there is no visable damage to it. Bad connections of the wiring from the toggle switch box to power or the recline or tilt motor should be inspected. A electronic tech is needed for most electronic failures.
This mnaual wheelchair has dual position rear axles and caster forks to allow seat to floor height changes with no additional components. What this means is that the wheelchair is adjustable in height based upon the position of the front caster wheel axles and rear wheel axles. Raising the axles lowers the chair. Lowering the axle postion raises the chair. If the rear axles of the rear wheels are in the top position you can lower the wheels and raise the chair. Likewise, if the caster axles of the front wheels are in the top hole of the fork then put the wheels and axles in the lower hole to raise the chair. It is easy to accomplish this with basic tools.
If the front and rear wheels are already in the lower holes (the chair is in its highest position) you have another option. This option is a more expensive way to raise the chair by buying 4 new wheels. Lets say for example you have 24" diameter rear wheels. If you purchase new 26" diameter wheels you will raise the chair 1". If you have 6" casters and put on 8" casters this raises the chair 1" in the front. Hope this helps.
Sounds like the rear axles are a little loose. More likely the rear wheel bearings that fit in the hub race of the wheel are worn out. There are 2 bearings per wheel or 4 total for the 2 rear wheels. They are available from The Aftermarket Group. com. To install, remove the wheel axles and pop out the bearings. Use a soft mallet to hammer in the new bearings. Do not overtighten the axles on assembly. The wheels should spin freely when the wheel is in the air. Hope this helps
JC If your chair is an Invacare locate The lever on the right side of the lower seat cushion that lets you adjust the seat back it might be stuck letting the seat back not lock. Try setting the back where you want it and pushing down on the handle to see if you can get it to lock. If you can't get it to lock you'll just hafta get another seat or find a used seat that you can take the locking lever off of. Hope this helps
The release cable for the back is preventing the cylinder from locking. Adjust the cable just like you would adjust a bicycle hand brake. Adjust the cable so there is a quarter inch of play in the release lever. Look along the cable for a adjustment section.