Spicer Tandem Drive Axles Pro-40 Single Reduction and Single Reduction with Differential Lock - Manual (Page 55)

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Forward Assembly
Install and Adjust Ring Gear Thrust Bolt
1. Thread thrust screw into the carrier until firm contact
with the back face of the ring gear is made.
2. Loosen the thrust screw 1/4 turn to obtain the cor-
rect adjustment of 0.020" (.50mm) clearance
between gear face and screw. Tighten jam nut, hold-
ing thrust screw stationary with a wrench, torque
jam nut 150–190 lbs. ft. (203–258 N•m).
3. Recheck to assure minimum clearance during full
rotation of ring gear.
1 - D-head carrier or front carrier
2 - Thrust bolt
3 - Thrust bolt jam nut
1
3
2