MOS-94P Multiple Launch Rocket System (MLRS) Repairer M142 HIMARS Download
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d. Check electrical cables and connectors. e. Hoses and fluid lines. 2. Check the position of the X-marks on the base assembly. a. Inspect the azimuth drive unit and correct any defects. Inspect bolts, nuts, and screws. Check bearings, bushings and, components. Check electrical cables, connectors, hoses and fluid lines. b. Check the position of the X-marks on the base assembly. c. Align the azimuth geared bearing X-marks with the pinion gear X-mark(M270). d. Remove the azimuth drive unit. (M270A1). (1) Remove brake from ADU and position out of the way for ADU removal. (2) Remove pinion cover to base remove two draw bolts securing ADU to standoff adjuster. (3) Loosen each jack bolt, using a crisscross pattern. (4) Remove super bolts by hand and retain for installation. (5) Ensure all cables and hydraulic lines are out of the way before removing the ADU. (6) Remove the ADU. e. Install replacement ADU. (1) Remove the two adjusting nuts on the standoff adjuster of the ADU support bracket. (2) Position the pinion gear high point to the rear of the ADU. (3) Rotate the pinion gear to obtain alignment with azimuth gear bearing. (4) Install jack bolts into super bolt body, and then install super bolts. (5) Install washers on draw down bolts. (6) Verify that the super bolts are free in the support bracket. 3-86 1 October 2014