IV. STEERABLE DRIVE END DISASSEMBLYI.Upper Kingpin Removal After Section IV-E, remove locknut from thebottom of the upper kingpin. Use a jack or jackscrew to pry between the stud and the lowerportion of the suspension yoke to force the ballstud from its tapered hole.J.Steering Arm Removal1.Disconnect brake line connection that may beattached to the steering arm.2.Disconnect the steering drag link if so desired byapplying a force between the drag link end andthe steering arm and then striking the steeringarm radially to the tapered ball connection.Avoid driving on the end of the tapered ball, ornut screwed thereon, as this will generallyseverely damage the end of the tapered ballbefore the parts separate.3.Remove the four locknuts from the steering armstuds and remove arm.K.Upper Kingpin Bearing Removal1.Remove only if replacing with a new part.2.After removing the upper kingpin bracket fromthe steerable drive end assembly, melt thebearing by applying heat from a propane typetorch directly to the bearing.L.Inner Axle Seal Removal1.Do not remove the seal unless it is to bereplaced by a new seal assembly.2.The suspension yoke must be off the axlehousing before the seal assembly can beremoved. After IV-F, proceed as follows:3.Remove suspension yoke from the axle housingby removing eight locknuts and hardenedwashers. (See fig. 26.)4.Drive the seal from the suspension yoke with asuitable drift.M.Outer Axle Seal RemovalAfter IV-D or E, use a standard puller to removethe seal.N.Outer Drive Yoke Roller Bearing RemovalWith the spindle removed (section IV-D) andafter removing the seal (section IV-M), thebearing can be pushed from the spindle yoke.0.Universal Joint DisassemblyThe universal joint may be disassembled withoutany other disassembly or after step IV-D, or IV-E.Remove eight capscrews that attach the bearingassembly to drive yokes. (See fig. 20).Remove the cross and bearing. (See thecapscrews from the center of the drive yokesand remove the drive yokes. The outer driveyoke may require some prying before it comesoff the outer axle shaft. The inner yoke andshaft should be from the axle and separated onthe bench.Fig. 27-13-
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