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Rear axle

 

Old drive assembly

The rear drive is in sad shape. The axle is bent, resulting in right wheel wobble and the sprocket not running true. The brake band material is bad, and the drum is out of round. A new axle, bearings and brake parts are needed.

 

Sprockets

This axle has 2 different size sprokets. A larger one (62 tooth) is bolted onto the original (54 tooth). The larger one is good for more torque at the expense of speed. It is also easier on a standard clutch. Since a torque converter is installed, the larger sprocket will be removed.

 

Frozen hub

One hub assembly will not come off, no matter the size of the hammer. Heat didn't work either, so they will not be reused.

 

New parts

All new hubs, bearings and axle nuts. A new 38" X 1" axle is also on hand to replace the old mess. All came from Willards Small Engines.

 

Axle bearing temp installed

The bearings are bolted up while the axle is mocked up. The axle is centered, and is marked for easier reassembly.

 

Mocking things up

The sprocket assembly must be properly centered with the torque converter. To properly locate it, the chain is installed, and checked to ensure it runs straight with no binding. When this is done, the key is installed, and the sprocket is secured on the axle.

 

Assembled

After everything is mocked up, the axle was removed and eveything tightened up. It could have been done on the cart, but I had to add the brake drum that came from UPS today. The sprocket is facing opposite from original due to the location of the key slots, but it works just the same.

 

Complete

All the parts are installed, aligned, and secured. Spacers made from 1" ID steel pipe are used between the hubs and bearings to ensure the hubs are properly located. The axle is keyed for c-clips, but these spacers will be stronger.