Brake Actuator Chamber Installation

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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VI. STEERABLE DRIVE END ASSEMBLY Fig. 38 Fig. 39 Fig. 40 J. Universal Joint Assembly Install the universal joint cross and bearing assembly with two bolts in each of the bearing caps. (See figs. 27 and 20). Rotate the wheel hub to rotate the universal joint while the end is turned against the steering stop and check for positive clearance. (See fig. 9). Fig. 41 K. Brake Actuator Chamber Installation If not already on the assembly, add the brake actuator chamber. Assemble a collet nut on the actuator chamber tube so that the tapered part of the nut will fit into actuator. Screw the actuator chamber into the actuator until the tube is tight against the wedge stop washer. Tighten the collet nut securely (150 ft. lbs. torque). L. Steering Arm Assembly Install the steering arm and upper kingpin bearing cap. Note that the short studs are used on the outboard end when installing the steering arm and the long studs on the inboard end. Use flexloc nuts on the studs. The cap is held in place with bolts and lockwashers. M. Tie Rod Assembly Install the steering connecting tie rod. Tighten the castle nuts to the specified torque and use new cotter pins. N. Final Assembly 1. Make adjustments as described in Section IIl. 2. Lubricate and add lubricants as described in Section II. 3. Install wheels and tires. Torque wheel nuts to specifications. 4. Lower the vehicle to the ground and road test. -19-

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