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PRONTO M51 Electric mobility chair is dripping what looks to be gear oil. Are seals available or do I have to replace the drive unit?

Posted by Jeff Lennon on

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5 Related Answers

Anonymous

  • 40 Answers

SOURCE: oil / gel leak

If it is coming from your motors, it could be very bad. i.e. motor replacement. Sometimes on the side of those motors there is a black plastic cap about the size of a quarter or half dollar, those fall out sometimes and allow gearbox grease to come out. This should`nt be confused with your motor brush caps which are about the size of a pea and have a small **** in them for a screwdriver.DO NOT TAKE THESE OUT.  If the large cap has come out just stick it back in. If you can`t find it you`ll ned to call a dealer to get the part replaced.    If you can still find no prob,your probably going to have to go to a dealer.

Posted on Mar 26, 2009

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Anonymous

  • 40 Answers

SOURCE: How do I charge My Pronto M51 motorized wheelchair?

Margie,   Yes you may charge it overnight. If you use it everyday,charge it every night. Once the charger senses 24 volts it stops sending a charge,so they cannot be overcharged.  I suggest when you go to bed put on the charger and unplug it when you get up in the morning.

Posted on Mar 29, 2009

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Anonymous

  • 1 Answer

SOURCE: pronto M51 ...the yellow light is blinks and dosen't stop

Take your drive units both out of gear and put them back in that will reset the computer and it started mine working again.

Posted on May 26, 2009

oregoon

  • 175 Answers

SOURCE: won't move pronto m51

Three lights flashing on your chair indicate a left motor fault. Make sure that all of the connections inside the shroud are tight by physically testing them. If all of the connections are good, and the fuses are good, then it's time for a trip to an authorized repair facility. Here is a link to the M51 owners manual if you haven't one. Page 24 has the fault code guide.
http://www.invacare.com/doc_files/1125085.pdf

The controller monitors all of the functions on the chair, brakes, motors, joystick, charger etc. The three flash fault indicates an "open" circuit. Open, like a switch or blown fuse is open, or a wire is cut or burned in half, or a connector is unconnected, or partially connected. The latter is what you are hoping for. Wires burned in half is the usual cause for a motor fault, and with powerchairs, is usually the result of the chair getting stuck in or against something it can't get out of and the operator over-amping the motors. Motors do, just go bad sometimes, for no reason. Very rarerly, however.

You can also check the brushes on the motor too. There's two quarter-sized black plastic screw-plugs on the ends of the motor opposite each other. Unscrew them and examine the brushes. The springy coils should be springy. Overheating can cause them to be brittle, or even burned in two. Check the lench of the brush, the dark rectangular cube at the end of the springs. It should be curved and polished at the end, and a little over a half-inch long. If it is near a 1/4 inch, it needs replaced, or if there is any evidence of overheating, replace. Good luck.

Posted on Jul 09, 2009

Anonymous

  • 2 Answers

SOURCE: tool; light blinks 9 times battery is charged

the batteries were dead

Posted on Sep 07, 2009

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1 Answer

Pronto M51. Why is it leaking oil?


hi James ,this is a power-chair right ? if so then the oil must be coming from one of the gearboxes, if possible run your finger inside the wheel where the axle goes into the gearbox ?

Regards
Rob

Feb 02, 2016 | Invacare Health & Beauty

1 Answer

How do I reprogram my invacare pronto m51power chair


You will need to contact a service tech in your area to do this. They should have a special programmer box that can adjust the settings on the chair to improve the chairs performance.

May 02, 2015 | Invacare Pronto M51 Power Wheelchair

1 Answer

Power steering electric


Hello,

If the chair wants to drive left then you have a disengaged left motor clutch lever or a left motor going bad. Then M51 will not give an error code if the clutch is disengaged. If the chair is veering left as you are driving but you are still able to turn to turn right then the motor is not likely to be disengaged but has a brush or gear problem.
It is also possible that the joystick is not working well. The joystick is much less likely to be the problem unless it is damaged somehow.

Sep 02, 2014 | Invacare Pronto M51 Power Wheelchair

1 Answer

Pronto M51 feels forced when driving it.


The squealing noise is probably a bearing either in one of the four smaller tires called casters. The problem will not likely cause a break down right away but should be checked by someone mechanically inclined or trained in power wheelchairs. I don't know what you mean by the chair being "forced". Need more info.
May have something to do with batteries.

If the chair is driving slower and batteries are new their is a recall for that joystick from Invacare. Invacare is replacing joysticks for free.

Dec 15, 2013 | Invacare Pronto M51 Power Wheelchair

1 Answer

I have oil leaking onto the left side tire of my pronto m71 sure step invacare chair. why? thanks for your help.


Sounds like you have a blown seal on your left gearbox. The only permanent solution is to replace the left brake/motor gearbox assembly. Not exactly a do-it-yourself repair. to verify, you can pull the seat off to inspect with a flashlight or tip the chair up at 45 degrees on the right drive wheel to inspect.
In my experience this is a common problem. It may take some time for enough gearbox grease to ooze out and cause the gearbox to fail. If you run the chair inside the house it will get messy very quickly and the grease stains are difficult to remove. If the chair is upwards of 4 or 5 years consider replacing left and right motor/gearbox assemblies. Hope this helps.

Dec 13, 2010 | Invacare Pronto M51 Power Wheelchair

1 Answer

I have just purchased a second hand Scandinavian "home and away" wheelchair. And wondered if you could tell me where I could find spares and servicing for the above. (I have been told that invacare now...


If you can afford it contact Repair Xpress at 1-877-581-3733 and have their tech come out to check the chair. If it is similar to the M51 parts are available Hope this helps

Aug 16, 2010 | Invacare Pronto M51 Power Wheelchair

1 Answer

PRONTO M51 FEELS LIKE I AM DRIVING OVER ROUGH ROAD AFTER REPLACING THE BATTERIES. WHY?


If you chair was down for a long time before getting new batteries the tires could have developed flat spots on them. Also could have brush problems in the motors that make the motors run jerky from sitting too long.

May 02, 2010 | Invacare Supply Group Invacare Pronto M51...

1 Answer

Pronto M51 ...the yellow light is blinks and dosen't stop


Take your drive units both out of gear and put them back in that will reset the computer and it started mine working again.

Apr 21, 2009 | Invacare Supply Group Invacare Pronto M91...

1 Answer

My wheelchair dose not move


The chair has two levers, one for each motor, that disengage it for freewheeling, or pushing the chair without power. These take it out of gear. Place the levers in the locked, gear-engaged position and it should go for you. Here's a link for the manual for your chair, and it will show you where the location is to place it in gear.http://www.invacare.com/doc_files/1125085J.pdf

Apr 16, 2009 | Invacare Pronto M51 Power Wheelchair

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