Electric Motor Shaft Problems

oldgrape · 12-25-2014, 03:32 PM

I'm changing out the motor on my 87 EZGO Electric Marathon. I can't get the shaft out of the old motor. Can any one provide suggestions?

oldgrape · 12-26-2014, 01:01 PM

Here is a picture:
http://www.buggiesgonewild.com/album...ictureid=22224

cgtech · 12-26-2014, 01:53 PM

I dont think you can take it out. I think its a integral part of the armature.

93yellowclubcar · 12-26-2014, 04:19 PM

87 is a special year, takes a special motor with the extra long keyed and threaded shaft in the armature. Read why it is special here: http://www.buggiesgonewild.com/elect...-rear-end.html specifically post #12 and #18.

oldgrape · 12-26-2014, 05:20 PM

Thanks for the response. So I guess I will call D&D Motors back Monday and see why they sold me a motor that won't work or did not tell me I needed to buy a new shaft so that it will work. The shaft is definitely one piece.

93yellowclubcar · 12-26-2014, 06:35 PM

The whole problem is that it's a different rear end that requires a special motor that nobody builds. Luna Rebuilders (google 'em) has them, but they are stock style and pricey. If you're wanting a custom wound motor, you'll have to get the DANA rear end from another Marathon (not an 86.5 or 87) and swap in so that a 19 spline motor will bolt up. In all likelihood D&D didn't know about the 1.5 year non-DANA hiatus and when you said EZGO Marathon they probably assumed 19 spline.

cgtech · 12-26-2014, 08:47 PM

You may be able to get Luna to rebuild your motor, and re-wind it with your desired torque and speed in mind. They used to offer these type of services. They are capable of completely rebuilding every aspect of a dc motor, not just "new brushes & bearings". Might give them a call & talk to Tim. This project may get so involved/expensive that finding a regular dana 19 spline axle may be more cost effective.

oldgrape · 12-28-2014, 01:59 AM

Everyone thanks for all the help. I have to call D&D Motors Monday and see what they will do with the motor they sold me that won't work. Really wanted to beef this cart up a little. Guess I'll just have to settle for the controller upgrade, 36v to 48v upgrade, and back to just the stock OEM motor (2hp).

scottyb · 12-28-2014, 09:40 AM

Quote:

Originally Posted by oldgrape

Everyone thanks for all the help. I have to call D&D Motors Monday and see what they will do with the motor they sold me that won't work. Really wanted to beef this cart up a little. Guess I'll just have to settle for the controller upgrade, 36v to 48v upgrade, and back to just the stock OEM motor (2hp).

You Should be able to find a good rear end for $100 and have then have your choice of motors.

oldgrape · 12-28-2014, 11:38 AM

any suggestions on where to look for one?

12-26-2014, 01:01 PM	#2
oldgrape Not Yet Wild Join Date: Sep 2014 Location: Hampton Roads Posts: 37	Re: Electric Motor Shaft Problems Here is a picture: http://www.buggiesgonewild.com/album...ictureid=22224

12-26-2014, 01:53 PM	#3
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: Electric Motor Shaft Problems I dont think you can take it out. I think its a integral part of the armature.

12-26-2014, 04:19 PM	#4
93yellowclubcar ΜΟΛΩΝ ΛΑΒΕ Join Date: Nov 2012 Location: West Virginia Posts: 4,094	Re: Electric Motor Shaft Problems 87 is a special year, takes a special motor with the extra long keyed and threaded shaft in the armature. Read why it is special here: http://www.buggiesgonewild.com/elect...-rear-end.html specifically post #12 and #18.

12-26-2014, 05:20 PM	#5
oldgrape Not Yet Wild Join Date: Sep 2014 Location: Hampton Roads Posts: 37	Re: Electric Motor Shaft Problems Thanks for the response. So I guess I will call D&D Motors back Monday and see why they sold me a motor that won't work or did not tell me I needed to buy a new shaft so that it will work. The shaft is definitely one piece.

12-26-2014, 06:35 PM	#6
93yellowclubcar ΜΟΛΩΝ ΛΑΒΕ Join Date: Nov 2012 Location: West Virginia Posts: 4,094	Re: Electric Motor Shaft Problems The whole problem is that it's a different rear end that requires a special motor that nobody builds. Luna Rebuilders (google 'em) has them, but they are stock style and pricey. If you're wanting a custom wound motor, you'll have to get the DANA rear end from another Marathon (not an 86.5 or 87) and swap in so that a 19 spline motor will bolt up. In all likelihood D&D didn't know about the 1.5 year non-DANA hiatus and when you said EZGO Marathon they probably assumed 19 spline.

12-25-2014, 03:32 PM	#1
oldgrape Not Yet Wild Join Date: Sep 2014 Location: Hampton Roads Posts: 37	Electric Motor Shaft Problems I'm changing out the motor on my 87 EZGO Electric Marathon. I can't get the shaft out of the old motor. Can any one provide suggestions?

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12-26-2014, 08:47 PM	#7
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: Electric Motor Shaft Problems You may be able to get Luna to rebuild your motor, and re-wind it with your desired torque and speed in mind. They used to offer these type of services. They are capable of completely rebuilding every aspect of a dc motor, not just "new brushes & bearings". Might give them a call & talk to Tim. This project may get so involved/expensive that finding a regular dana 19 spline axle may be more cost effective.

12-28-2014, 01:59 AM	#8
oldgrape Not Yet Wild Join Date: Sep 2014 Location: Hampton Roads Posts: 37	Re: Electric Motor Shaft Problems Everyone thanks for all the help. I have to call D&D Motors Monday and see what they will do with the motor they sold me that won't work. Really wanted to beef this cart up a little. Guess I'll just have to settle for the controller upgrade, 36v to 48v upgrade, and back to just the stock OEM motor (2hp).

12-28-2014, 11:38 AM	#10
oldgrape Not Yet Wild Join Date: Sep 2014 Location: Hampton Roads Posts: 37	Re: Electric Motor Shaft Problems any suggestions on where to look for one?

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