5 1 4 3 2 1 19 20 21 2 Fig 8 Exploded 1 Wormshaft Bearing 6 Pitman Arm Nut Adjuster Locknut 7 Pitman Arm Lock 2 Wormshaft Bearing Washer Adjuster 8 Pitman Shaft Seal 3 Wormshaft Bearing 9 Pitman Shaft Bushing 1 4 Wormshaft 10 Wormshaft Outer Seal 1 5 Wormshaft Bearing 11 Steering Gear Housing Inspect wormshaft seal for defects Inspect the pitman shaft for wear and check the fit of the shaft in the housing bushings Inspect the fit of the pilot on the end of the pitman shaft in its bushing in the side cover If this bushing is worn a new side cover and bushing assembly should be installed Check ball guides for damage at ends where they pick up the balls from the helical path Any damaged guides should be replaced Check steering gear wormshaft assembly for bent or damaged shaft Repairs Sector Shah Bushing Replacement 1 Support steering gear housing in an arbor press and press sector shaft bushing from housing with Tool J 8366 2 inserted from lower end of housing fig 11 2 Press new bushing into position using Tool J 8386 1 fig 12 NOTE Service bushings are diamond bored to size and require no further reaming 6 7 8 9 10 r 11 12 13 14 J 15 16 17 23 18 iew of Steering Gear 2 Pitman Shaft 18 Lash Adjuster Screw Locknut 3 Lash Adjuster Screw 19 Ball Nut 4 Lash Adjuster Screw Shim 20 Balls 5 O Ring 21 Ball Guides 6 Side Cover 22 Ball Guide Retainer 7 Side Cover Screws and 23 Ball Guide Retainer Lock Washers Screws Side Cover Bushing Replacement The entire side cover assembly including bushing is serviced as a unit and should be replaced where it is desired to replace the bushing Wormshaft and Sector Shaft Seal Replacement If either of the above seals indicates need of replacement it should be removed and a new seal pressed into position In the housing A suitable socket pressing on outer diameter of seal may be used NOTE Care should be taken to insure that seal is not assembled in a cocked position Worm Bearing Cup The worm bearing cup in the steering gear housing may be serviced as follows Removal 1 With gear dismantled and seal removed cup may be tapped out of housing with a punch and hammer 2 Use care to avoid damaging housing Support it on a wood block while driving out old cup CORVAR 3l10 MANUAL