MOS-94P Multiple Launch Rocket System (MLRS) Repairer M142 HIMARS Download

Page 66 of 188

(1) Remove the C-clamps and pull carriage and intermediate beam into fixed beam. (2) Count the rack gear teeth to ensure that there are same number of gears teeth past the intermediate beam pinion gear top and bottom. (3) Move the forward end beam and spacers in position on intermediate beam. b. Install shims. c. Measure the distance from both sides of rear surface of intermediate beam and rear of the fixed beam. d. Install the flexible cable and flexible cable bracket to hoist support assembly. e. Connect W75P2 or W76P2 to hoist electrical control box connector J1. f. Manually rotate the jackscrew to position the ball nut drive assembly in line with mounting holes in intermediate beam. g. Secure switch cam and ball nut drive assembly to intermediate beam. h. Install the forward tube support to bracket. i. Manually retract the boom until holes for axle in roller mounting brackets line up with access hole in fixed beam and cage outer plate. (1) Place rollers into position through access holes in top of fixed beam. (2) Manually retract boom to full position, and check boom travel movement is smooth. j. With the hoist carriage fully retracted. (1) Measure the clearance between the flexible cable, as it lies in tray, and inside cage armor plate. (2) Check to ensure the flexible conduit (W75 or W76) is supported by the roller assembly. k. Check the adjustments of boom limit switches, and hoist limit switches. l. Perform the after maintenance repair load test procedures. 7. Complete maintenance forms, if required. 3-36 1 October 2014