cds clutch

scotty747 · Tuesday at 6:02 PM

Getting ready to do my first clutch tomorrow. I'v researched everything I can find online. Engine off to burnish? Get it off with a bolt not a puller? Will I need to use a gauge or tape to set a clearance? Any helpful tips so I don't screw it up would be helpful. Got the clutch from Napa. Oh and someone said to turn on the pump clutch when burnishing the new clutch?

Dwain Ray · Tuesday at 9:35 PM

scotty747 said:
Getting ready to do my first clutch tomorrow. I'v researched everything I can find online. Engine off to burnish? Get it off with a bolt not a puller? Will I need to use a gauge or tape to set a clearance? Any helpful tips so I don't screw it up would be helpful. Got the clutch from Napa. Oh and someone said to turn on the pump clutch when burnishing the new clutch?

I have no idea what you're talking about when you say burnish im assuming you are referring to bedding/ transferring material from one surface to another ( like braking in brakes) if so i wouldn't worry too much about that . Pto clutches are metal to metal theres no resins to transfer . But i can tell you how to replace it. Assuming that you've removed any thing that is in the way .(aircleaner etc. ) if the clutch will still engage its easier to remove. So with the clutch in gaged and the Serpentine belt still on remove the center bolt. Youll see threds on the inside of the hole use appropriate size bolt and tighten to push the clutch off the shaft. Once it's free but still on the shaft go ahead and disengage the clutch and remove the Serpentine belt. Remove the clutch and electromagnet from the shaft. Be sure to not loose the woodruff key. Now to reinstall to set the spacing between the magnet and clutch can be done 2 ways one way is with 4 evenly spaced cardboard shims ( thats how i do it) but the other way is to evenly wrap electrical tape around the magnet. Enough that it fits snug in the clutch. Then with the woodruff key removed install the clutch and magnet as an assembly put the center bolt in to hold it all together on the shaft. Rotate the assembly to align the magnet with the 4 bolt holes be mindful of the position of the power wire. Install the 4 bolts and tighten. Remove the clutch. Remove the tape used for spacing. Install the woodruff key install the clutch and center bolt . Check to make sure that the clutch doesn't rub on the magnet install the Serpentine belt hookup power energize the clutch and torque center bolt to spec and you B done. Hope this helps. I use 4 pieces of thin cardboard because that way i can put it all together and reach behind and pull out the strips and not have to go thru the redundant steps in order to remove the tape used for spacing

scotty747 · Wednesday at 12:19 PM

Thanks Dwain. Do I still do the key on key off thing?

scotty747 · Thursday at 1:10 PM

I'v heard you shoud turn the cds key on 5 seconds off 5 seconds a bunch of times.

Dwain Ray · Thursday at 3:29 PM

scotty747 said:
I'v heard you shoud turn the cds key on 5 seconds off 5 seconds a bunch of times.

Why??? Ya tryin to wear out the switch??? I told ya and i showed ya there's no such thing a bedding an electric clutch of this type and whoever told you that doesn't know or understand what there talking about.

fredtestseven · 2025-08-08T17:32:58-0400

Dwain Ray said:
Why??? Ya tryin to wear out the switch??? I told ya and i showed ya there's no such thing a bedding an electric clutch of this type and whoever told you that doesn't know or understand what there talking about.

Well Ogura, Pitts, etc say you don't know wtf you are talking about and they make the things.

I didn't want to post and I PMd him the other day but I don't want others following your bad advice. Most manufacturers call for the key on 5 sec on then off cycle 25-40 times to burnish a new em clutch. Not doing so potentially reduces its torque handling capabilities significantly.