Digital’s Rigid – Part IV (Continued 3)


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Once the engine was back in place, the bolts were placed and the tape was removed.

Then it was on to the area where the transmission was to be placed.

 

The transmission plate from Custom Chrome and the rear fender mounts were put into place and bolted down.

 

The transmission was then put in place but not bolted down.

 

You’ll notice at this point that the secondary pulley is already on the transmission’s output shaft and the shifter lever is in place. Note: You want the shift lever to be straight up and down when bolted in place. The one in the photo required some adjusting to make this correct.

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Digital’s Rigid – Part IV (Continued 5)

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At this point I needed to make sure the front and rear pulleys were even at their outer edges. This was to make sure the belt does not rub on the pulley rim. A long level or other straight edge can be used to do this. If you need to move the front pulley out, Custom Chrome sells some hardened shims just for this purpose that range in thickness from .010 inch to .200 inch thick. Don’t be surprised if you have what you think is a “stock” application and you need shims. Depending on the rotor/stator setup on your motor, you will most likely need to shim the front pulley. Here’s a top view of a system that has been properly aligned.

 

The spring plate on the clutch had to be removed to allow for bolting the rear pulley to the shaft. This was done by removing the six spring/bolt assemblies and the plate.

 

The bolt was torqued down to spec, along with the front pulley. I was then ready to turn the motor to make sure the belt tracked properly. To torque these down, an air compressor and an impact wrench was required. I would never have been able to torque against the motor or transmission using a regular torque wrench unless I had jammed the pulleys.

Using a large torque wrench, I turned the motor forward a few times to make sure the belt could make three revolutions and still track to the center of the two pulleys. If you use one of these set ups, it should track as assembled, but if it doesn’t, check the spacing on your front pulley. If you still have problems, you can call BDL and they will walk you through how to shim things up on your frame.

 

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