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TM 5-4210-233-14&P-1
5-42. REAR TANDUM AXLE AND DIFFERENTIAL - Continued
(10) Measure outside diameter of ring gear.
(11) Attach a dial indicator to contact teeth of ring
gear. Adjust dial indicator so that the plunger is
in contact with tooth surface.
(12) Rotate the differential and ring gear a small amount in both directions. Observe dial indicator and
observe readings.
(a) If ring gear has a diameter of less than 17 inches (431.8 mm), backlash should be 0.008 to 0.018
inch (0.20 to 0.46 mm).
(b) If ring gear has a diameter of 17 inches (431.8 mm) or greater than 17 inches, backlash should be
0.010 to 0.020 inch (0.25 to 0.51 mm).
(c) Make notes of the dimensions and adjust backlash to same dimension when gear set is installed in
carrier.
5-259
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