Measuring drive pinion preload

Started by Mr Ed, Jan 13, 2024, 12:27 AM

Previous topic - Next topic

Mr Ed

Hello everyone
 
I'm rebuilding a 1964 Rover differential, I've changed all the bearings, and I'm now measuring the preload of the drive pinion bearings.

According to my "green bible" it indicates that it should carry between 0.070 to 0.11 Kgm.

I don't have the ideal tool to measure this, but I thought of using a scale.

Attach a 50cm fiberglass rod from the Driving Flange. Since the distance is only 50 cm, I understand that the measured weight should be double.

After trying various combinations of shims, I arrived at a value of 0.188 kg
With this measured value, he drive pinion begins to move.

which I think is correct...

Has anyone done this or can you tell me if my procedure is correct?
THANK YOU  :salud Amigo
Everyday better...
88 Station Wagon 1966
Ex Army

autorover1

#1
I understood it is the load when shaft is turning, not  the load getting to start to turn  , if that makes sense . I read it as needing to get the  shaft moving and measure the load to keep it moving , you need to overcome the initial inertia first.

Mr Ed

Hello, thanks for answering. :salud Amigo

What you indicate is correct, my English is not the best,
I am using Google translator.

That is the weight that marks when the shaft is already rotating.
Everyday better...
88 Station Wagon 1966
Ex Army