FRONT AXLE DIFFERENTIAL MAINTENANCE (ALL EXCEPT M1009) (Cont).
Excessive turning of ring gear (11) is not recommended. Ring gear should
be turned only enough to provide tooth contact pattern.
Apply load until it takes a torque of 40-50 Ib.-ft. (54-68 N.m) to turn drive pinion. Turn
companion flange so that ring gear (11) turns 1 full revolution, then reverse so that ring gear
turns 1 full revolution in opposite direction,
Contact pattern should be centrally located up and down on the face of the ring gear (11)
teeth. Compare tooth contact pattern on ring gear with examples shown and make
adjustments as indicated.