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Pinion Preload and Backlash

DANA MODEL 80 (11 INCH RING GEAR)
PINION BEARING PRELOAD SPECIFICATION
Torque to rotate drive pinion only
New bearings 2.7-3.6 Nm (24-32 lb.in.)
Used Bearings 1.0-1.4 Nm (8-12 lb. in.)
BACKLASH
New Gears 0.13-0.23 mm (0.005-0.009 in.)