MOS-94P Multiple Launch Rocket System (MLRS) Repairer M142 HIMARS Download
Page 117 of 188
STP 9-94P1-SM-TG (7) Install draw down bolts by alternately torque the two draw down bolts in 1/4 increments. (8) Tighten jack bolts on each of the four super bolts to finger tight. (9) Re-torque each of the six jack bolts for each of the four super bolts to a final torque of 25.8 to 28.5 Nm (227 to 251 in lbs). (10) Measure the distance between the adjusting nuts and the support bracket. (a) The measurement must be 10mm or less. (b) Tighten the adjusting nut against washer 1/6 turn (approximately 1 flat of the nut) past hand tight. (11) Perform install azimuth brake procedures. (12) Install azimuth hydraulic motor. (13) Torque two draw bolts between 230 to 243 Nm (2024 to 2138 in-lbs). (14) Install the pinion gear cover. f. Record the thickness of the shims on each stud (M270). g. Replace bad shims. h. Align the pinion gear X-mark between the X-marks on the azimuth gear bearing (M270). i. Torque the nuts. j. Check the backlash. k. Ensure the pinion gear and gearing teeth is parallel. l. Align the azimuth geared bearing X-marks with the X-marks on the base assembly. m. Use the Maintenance Support Device (MSD) to ensure the system is operating properly. n. Verify the azimuth drive unit is operational. o. Complete maintenance forms. 3. Align the azimuth geared bearing X-marks with the pinion gear X-mark (M270). 1 October 2014 3-87