The Ford Barn

Ed in Maine · 08-17-2023, 02:57 PM

On page 47 of Tom Endy's 2014 paper there is reference to adjusting the backlash between the pinion and the ring gear. It is stated that the backlash may be between 0.010 and 0.020. Is this measured on the circumference of the drive shaft? Therefore, the amount of back and forth rotation of the drive shaft?
Thank you for your comments, Ed

Patrick L. · 08-17-2023, 04:51 PM

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Back lash is measured with a dial indicator fastened so the indicator is on a tooth of the ring gear. Both backlash and tooth pattern go hand in hand.

08-17-2023, 02:57 PM	#1
Ed in Maine Senior Member Join Date: May 2010 Location: Washington Cty., ME or Flagler Cty., FL Posts: 1,106	Rear Axle Rebuild On page 47 of Tom Endy's 2014 paper there is reference to adjusting the backlash between the pinion and the ring gear. It is stated that the backlash may be between 0.010 and 0.020. Is this measured on the circumference of the drive shaft? Therefore, the amount of back and forth rotation of the drive shaft? Thank you for your comments, Ed

08-17-2023, 04:51 PM	#2
Patrick L. Senior Member Join Date: May 2010 Location: Largo Florida Posts: 7,225	Re: Rear Axle Rebuild Sponsored Links (Register now to hide all advertisements) Back lash is measured with a dial indicator fastened so the indicator is on a tooth of the ring gear. Both backlash and tooth pattern go hand in hand.