Figure 13 - Preparing to Press Bushing Into Torque Rod

Figure 12 - Installing Center Sleeve and Bearing

Figure 15 - Rubber Cushion Type Suspension

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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EQUALIZING BEAM SUSPENSION (HENDRICKSON) 5. Place adapter over end of bushing, resting on sheave puller. (See Figure 13) Press bushing into torque rod until bushing is centered in bushing bore. Figure 13 - Preparing to Press Bushing Into Torque Rod ASSEMBLY 1. Assemble spring or cushion and saddle assemblies. Leaf Spring Type, Figure 14 a. Seat spring in spring saddle with head of spring center bolt positioned in hole provided in saddle. b. Position spring top pad over "cup" on main spring leaf. c. Install saddle-to-top pad bolts and nuts. Run nuts up snug, but do not tighten completely at this time. d. To properly position the spring in the saddle, tighten the spring aligning set screws to specified torque (see "SPECIFICATIONS"). Tighten aligning screw locknuts. e. Tighten saddle-to-top pad bolt nuts to specified torque (see "SPECIFICATIONS"). f. Using roller jack, position spring (with saddle) in front and rear spring mounting brackets. g. Align spring eye with spring pin bore in front bracket. Install spring pin, aligning draw key slot in pin with draw key bore in bracket. h. Install draw key, lock washer and nut. Tighten nut to specified torque (see SPECIFICATIONS"). i. Install lubricator fitting in spring pin and lubricate Figure 14 - Leaf Spring Type Suspension Rubber Cushion Type a. With the drive pin bushings assembled to the saddle and bearing caps installed, assemble the rubber load cushion on saddle. b. Apply a light coat of IH-251H-EP multi-purpose grease to the drive pins on the frame brackets. CTS-4169 - Page 10

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