1968/1970 Primary drive pulley.

cowboysclassics · 10-27-2012, 09:10 AM

I am new to this forum but I have read and searched this forum and found a lot of usefull information as well as many helpfull members. So first off thankyou to all the staff & members for such a great forum.

I have a few different problems with two of my carts that have been discussed here many times with the exception of the years that I have, which are a 1968 & 1970 HD D model gas carts. Both have 9 spline crankshafts that the drive pulley seem to be a press fit VS having a keyed shaft. That is my biggest problem due to one of the drive pulleys having came loose recently and "wallering" out the shaft opening for the lack of a better term.

The part # on both pulleys is #36447-67 and I am unable to find new or used anywhere else online. If anyone has a suggestion on where to get a good drive pulley or clutch parts for the 9 spline crankshaft I would appreciate any input. Thanks in advance for any and all input. Bob

The first pic is the best of the 2 pulleys I have, the other pics are the one beyond repair IMO.

T Man · 10-27-2012, 09:18 AM

I'm not an expert but if you haven't tried http://golfcartcare.com it would be worth checking, I know I have called them asking about parts that aren't listed on their website and they have some used inventory as well.

cowboysclassics · 10-27-2012, 09:20 AM

Rather then starting another thread I will post my other problem here. I also have a flywheel that I have tried every method discussed on this forum and it still will not budge. The flywheel is now damaged so badly I am down to either finding special bolts to use in the outside bolt holes or drilling and tapping larger holes. I just need to get it off so I can get the cases seperated, if anyone has any better suggestions I would appreciate the input.

I did refabricate a pitman puller as someone here suggested to pull another flywheel that worked great, but it only broke the flanges off of the one that was allready damaged. Here are a few pics of both flywheels and the puller that did work on the one. Thanks again. Bob

cowboysclassics · 10-27-2012, 09:23 AM

Quote:

Originally Posted by T Man

I'm not an expert but if you haven't tried http://golfcartcare.com it would be worth checking, I know I have called them asking about parts that aren't listed on their website and they have some used inventory as well.

Thanks T Man, but I have allready contacted them as well as every other source I can find online.

cowboysclassics · 10-30-2012, 09:37 AM

I was able to use the best of the two drive pulleys I have and clutch parts from one of my other carts to get one of my carts going finally.

I really need to get the broken flywheel off of the spare motor so I can rebuilt it and switch my other cart over to a 6 spline crankshaft. At least I will be able to find clutch parts for it.

Could anyone please tell me what size the outside holes are in the flywheel as thats the only way I see to be able to remove it now. I searched this forum and some said they are 6MM-1 which is not the case. They are just a bit smaller then 6MM, I need to find at least 3 -3 to 4 inch long bolts that fit so I can try using a different puller I have. Thanks in advance for any input. Bob

chuckbaynham · 10-30-2012, 01:55 PM

10-24 machine screws if you mean the 2 holes that secure the points cam. This information is from the parts manual available somewhere on this forum.
Good luck.

cowboysclassics · 10-31-2012, 07:25 AM

Quote:

Originally Posted by chuckbaynham

10-24 machine screws if you mean the 2 holes that secure the points cam. This information is from the parts manual available somewhere on this forum.
Good luck.

Thanks for the reply and info Chuck, but I was talking about the 6 holes torwards the outside ring of the flywheel as the two you are talking about are even smaller. Plus what was broken off that area there was not enough meat left to drill out any larger (Ref pic included).

I still dont know what size they are but I drilled them out to 5/16's retapped and tryed the bigger puller, even then after using a 1/2 inch drive impact it pulled two of the bolts in half.

I drilled and tapped the other 3 remaining holes, tryed again and smacked the center puller bolt with a BFH 4 times and it finally let loose. I have never seen anything that was as tough or tight to pull off but it looks like whoever put it on the last time used JB weld or something on the shaft before slipping it back on.

At least it is off, and the next step is to remove the crancase screws and split the cases which I wouldn't doubt I'll run into the same problem.

I would still be interested in buying a good inside drive pulley for a 9 spline driveshaft, as well as a good clutch assembly for a 6 spline crankshaft so I can build both motors I have for spares. Thanks again. Bob

chuckbaynham · 10-31-2012, 01:14 PM

Glad you got it off. They holes were for 12-24 machine screws and also shown ion the parts manual. Page attached.
Just a note for anyone that reads this. Beating on the end of a shaft/center blot in a press fit situation as a general rule is not recommended. It can expand the shaft/center bolt and make removal even more difficult or damage the threads. So if it must be done, put the nut back on loose to protect the threads.

tew45 · 10-31-2012, 08:04 PM

Here is a photo of a puller similar to the factory puller. I make a few at times but I don't have one finished now. You need a new flywheel for your spare engine.

racin161 · 11-01-2012, 04:00 AM

TEW I thought I read a post of yours in the past that's one nice puller keep up the great work.

LOU

10-27-2012, 09:18 AM	#2
T Man Not Yet Wild Join Date: Oct 2012 Location: Manitoba, Canada Posts: 71	Re: 1968/1970 Primary drive pulley. I'm not an expert but if you haven't tried http://golfcartcare.com it would be worth checking, I know I have called them asking about parts that aren't listed on their website and they have some used inventory as well.

10-30-2012, 09:37 AM	#5
cowboysclassics Getting Wild Join Date: Oct 2012 Location: South Central KS Posts: 90	Re: 1968/1970 Primary drive pulley. I was able to use the best of the two drive pulleys I have and clutch parts from one of my other carts to get one of my carts going finally. I really need to get the broken flywheel off of the spare motor so I can rebuilt it and switch my other cart over to a 6 spline crankshaft. At least I will be able to find clutch parts for it. Could anyone please tell me what size the outside holes are in the flywheel as thats the only way I see to be able to remove it now. I searched this forum and some said they are 6MM-1 which is not the case. They are just a bit smaller then 6MM, I need to find at least 3 -3 to 4 inch long bolts that fit so I can try using a different puller I have. Thanks in advance for any input. Bob

11-01-2012, 04:00 AM	#10
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515	Re: 1968/1970 Primary drive pulley. TEW I thought I read a post of yours in the past that's one nice puller keep up the great work. LOU
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515

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