Pinion Preload and Backlash

8 1/2, 8 5/8-INCH RING GEAR
PINION PRELOAD
New Bearings 2.3-2.8 Nm (20-25 lb. in.)
Used Bearings 1.1-1.7 Nm (10-15 lb. in.)
BACKLASH
New Gears 0.13-0.23 mm (0.005-0.009 in.)
Used Gears 0.08-0.28 mm (0.003-0.011 in.)