I've decided to add a bronze thrust washer between the collar pressed on the drive shaft and the base of the spring. This will prevent the spring from slipping past the collar.
For some reason they don't show the collar that's 1.25" down from the tip of the drive shaft. I'll reuse the...
F_R thanks so much for the reply. I think you're referring to the "Seal Assembly Kit - Upper Drive Shaft Casing" and the original part number is 376311. Here's the illustration:
My TN28 definitely does not match the illustration on the right. However, my drive shaft does have the pressed on...
I'm restoring this old motor. Disassembled lower unit to inspect water pump impeller and found it to be nearly new. However the upper seal is confusing. I found this illustration (below) and it represents each of the components I found on my drive shaft, except for the pressed on collar 1.25"...
