MOS-94P Multiple Launch Rocket System (MLRS) Repairer M142 HIMARS Download
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a. Bolts. b. Bearings and bushings. c. Components. d. Electrical cables and connectors. e. Hoses and fluid lines. f. Remove the pinion gear cover. g. Mark the position of the X-marks on the base. Align azimuth geared bearing X- mark with the pinion gear X-mark. h. Disconnect flexible drive shaft from the speed reducer. Disconnect the hydraulic hose quick-disconnect coupling half from the speed reducer. 2. Remove azimuth drive speed reducer. Note: Mark the position of the X-marks on the base. a. Remove the four nuts and washers securing speed reducer to base. WARNING: Heavy. Two people are required to remove or install. Do not drop Personnel injury and/or equipment damage can occur. b. Record thickness of the shims on each stud. c. Slowly pull the speed reducer away from base. 3. Install the azimuth drive speed reducer. a. Install new shims. b. Install the four nuts and washers. 4. Position pinion gear X-mark between the X-mark on the geared bearing. 5. Align azimuth geared bearing X-marks with the X-mark on the base. 6. Ensure the pinion gear and gearing teeth is parallel. a. Check backlash. b. Torque to specification. 7. Connect the hydraulic hose quick-disconnect coupling half to the speed reducer. 3-20 1 October 2014