TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 497 of 1205
TM 9-2320-387-24-l REFERENCE INFORMATION STEERING SYSTEM i Check for looseness in idler arm and pitman arm (paras. 8-17 and 8-13). For replacing center link, refer to para. 8-14. For replacing be rods, refer to para. 8-16. TIE ROD END i For replacing the pulley, refer to para. 8-23. A I . CAUTION BELT TE Do not loosen slotted nut to install cotter Din. Loosening the nut may result in damage to the equipment. To check for proper operation of ball joints: (1) Chock rear wheels front and back. (2) Raise front wheels about 2 in. off the ground and support on a jack stand. a. For Lower Ball Joints (3) Mark a line across the head of the top bolt holding the steering arm cover. Make sure the mark is parallel to the lower control arm. (4) Put a prybar between the cover control arm and geared hub. (5) Set a 6-in. ruler upright between the lower control arm and the marked screw. (6) Push down the prybar to try to move the hub. (7) Measure movement in the hub assembly. If movement is more than l/8 in. (3 mm), replace lower ball joint (para. 6-24). b. For Upper Ball Joints (8) Grasp top of tire and attempt to move it IN and OUT. (9) Grasp upper control arm and attempt to move it up and down. (10) If there IS any noticeable movement between geared hub and upper control arm. replace upper bail jotnt (para. 6-23). \ POWER STEERING PULLEY 2-447